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Isolation of Keratinocytes from Human Hair Follicles and Selection of a Population Enriched in Epithelial Stem and Progenitor Cells by Flow Cytometry.
Sellathurai T, Auvré F, Bloas F, Commo S, Lemaître G, Fortunel NO. Sellathurai T, et al. Methods Mol Biol. 2026 May 8. doi: 10.1007/7651_2026_703. Online ahead of print. Methods Mol Biol. 2026. PMID: 42096141
The human hair follicle (HF) harbors distinct populations of epithelial stem and progenitor cells that are essential for hair homeostasis and epidermal wound healing. While the follicular niche, the anatomical equivalent of the murine bulge located at the insertion …
The human hair follicle (HF) harbors distinct populations of epithelial stem and progenitor cells that are essential for hair …
An updated guide to hair follicle stem cell markers and changes in their expression with aging.
Sellathurai T, Gay DL, Commo S, Lemaître G, Fortunel NO. Sellathurai T, et al. JID Innov. 2026 Feb 12;6(3):100459. doi: 10.1016/j.xjidi.2026.100459. eCollection 2026 May. JID Innov. 2026. PMID: 41853462 Free PMC article. Review.
The availability of identification markers is a major expectation in the field of stem and progenitor cell biology, whether to decipher the hierarchy of these cellular compartments or to isolate these cells for use in tissue reconstruction and regeneration approaches. Epithelial …
The availability of identification markers is a major expectation in the field of stem and progenitor cell biology, whether to decipher the …
Adsorption of Surfactants and Polymers to Biomimetic Hair Model Surfaces.
Cozzolino S, Gutfreund P, Odnevall I, Ibrahim R, Vorobiev A, Welbourn RJL, Zuttion F, Greaves A, Luengo GS, Rutland MW. Cozzolino S, et al. Langmuir. 2026 Mar 24;42(11):7809-7821. doi: 10.1021/acs.langmuir.5c06252. Epub 2026 Mar 6. Langmuir. 2026. PMID: 41791123 Free PMC article.
Improving the sustainability of cosmetic products while maintaining a good performance requires a deeper understanding on the way that new eco-respectful ingredients interact with hair or skin. In the case of shampoos, the surface science is dominated by the diverse change …
Improving the sustainability of cosmetic products while maintaining a good performance requires a deeper understanding on the way that new e …
A novel framework for integrative hair longevity management.
Sundaram H, Zhou J, Marti M, Thibaut S, El Haddad G, Kovylkina N, Haykal D. Sundaram H, et al. Eur J Dermatol. 2026 Jan 1;36(S1):13-20. doi: 10.1684/ejd.2026.5034. Eur J Dermatol. 2026. PMID: 41650296 Review.
Hair ageing is a multifactorial process involving progressive deterioration of hair follicle structure and function, leading to reduced density, diameter, and overall hair quality. Inspired by advances in longevity science, the emerging concept of hair …
Hair ageing is a multifactorial process involving progressive deterioration of hair follicle structure and function, leading t …
Hair vibrancy: A quantitative multi-modal approach bridging consumer perception, expert and instrumental evaluation.
Abraham J, Fernandes M, Srivastav N, Rakshit R, Shetty S, Sirkek N, Pandya H. Abraham J, et al. Int J Cosmet Sci. 2026 Jan 8. doi: 10.1111/ics.70074. Online ahead of print. Int J Cosmet Sci. 2026. PMID: 41508701
The investigation used internal hair colour formulas shade 3 (dark brown) and fashion shade 6 (cherry red) on grey hair. ...This study clarifies key attributes for ideal hair colour vibrancy, guiding product development to meet consumer expectations....
The investigation used internal hair colour formulas shade 3 (dark brown) and fashion shade 6 (cherry red) on grey hair. ...Th …
An investigation of the sound of foam and its potential influence on the shampoo experience.
Wu J, Kong W, Dong J, Steel AT, Bhatara A, Morizet D. Wu J, et al. Int J Cosmet Sci. 2026 Jan 8. doi: 10.1111/ics.70075. Online ahead of print. Int J Cosmet Sci. 2026. PMID: 41508686
OBJECTIVE: Compared to at-home hair washing, the salon shampooing experience offers a different sensory landscape for the client. ...This sensory shift presents a novel opportunity to investigate the impact of the often-overlooked aspects of the hair washing experie …
OBJECTIVE: Compared to at-home hair washing, the salon shampooing experience offers a different sensory landscape for the client. ... …
Hair anisotropy and damage: Understanding hair cracking and fracture via the moving loop test.
Samoylenko D, Su Whelan L, Yale A, Marty G, Santoprete R, Polacchi L, Taylor D. Samoylenko D, et al. J Mech Behav Biomed Mater. 2026 Mar;175:107320. doi: 10.1016/j.jmbbm.2025.107320. Epub 2025 Dec 23. J Mech Behav Biomed Mater. 2026. PMID: 41447806
Hair can become damaged and break as a result of mechanical actions such as brushing. ...The first two result in splits which start at or near the hair surface and propagate across the hair fibre to cause fracture, whilst the cortex/cortex-initiated splits pr …
Hair can become damaged and break as a result of mechanical actions such as brushing. ...The first two result in splits which start a …
Establishment and validation of a hair fall atlas for Chinese men based on trichoscopy.
Ma R, Ni C, Lin J, Liu C, Yang K, Liu Q, Li Z, Zhang Y, Wang H, Niu Y, Su F, Wu W. Ma R, et al. Int J Cosmet Sci. 2025 Dec 25. doi: 10.1111/ics.70043. Online ahead of print. Int J Cosmet Sci. 2025. PMID: 41447192
However, it has limited dynamics and sensitivity to assess consumers with mild hair loss problems or at the early onset of hair loss. Therefore, we aim to develop a zoom-in hair fall atlas based on trichoscopy to better evaluate consumer hair fall prob …
However, it has limited dynamics and sensitivity to assess consumers with mild hair loss problems or at the early onset of hair …
Mapping cell dynamics in human ex vivo hair follicles suggests pulling mechanism of hair growth.
Tissot N, Genty G, Santoprete R, Baltenneck F, Thibaut S, Michelet JF, Sequeira I, Bornschlögl T. Tissot N, et al. Nat Commun. 2025 Nov 21;16(1):10267. doi: 10.1038/s41467-025-65143-x. Nat Commun. 2025. PMID: 41271712 Free PMC article.
Homeostasis in continuously renewing organs like the gut, skin, and hair follicles relies on niche architecture and intricately orchestrated cellular dynamics, encompassing proliferation and migration. ...Integrating fluid dynamics simulations and experimental manipulation …
Homeostasis in continuously renewing organs like the gut, skin, and hair follicles relies on niche architecture and intricately orche …
International Expert Consensus on Knowledge Gaps in Care for Dermatologic Disorders in Skin of Color.
Lim HW, Zhang C, Taylor M, Dlova NC, Conceição K, Jablonski N, Gupta N, Wangari-Olivero J, Alexis A. Lim HW, et al. Int J Dermatol. 2026 Jan;65(1):41-56. doi: 10.1111/ijd.70101. Epub 2025 Nov 6. Int J Dermatol. 2026. PMID: 41195756 Free PMC article.
We aimed to identify and explore key gaps in research and clinical management for SOC across four domains: skin diseases, hair disorders, photoprotection, and aesthetic procedures. An international panel reviewed articles retrieved from PubMed using the search terms "skin …
We aimed to identify and explore key gaps in research and clinical management for SOC across four domains: skin diseases, hair disord …
Skin disease in the Eastern Cape (SKINSCAPE): a Global Psoriasis Atlas point prevalence study in rural South Africa.
Wright AK, Swan R, Xu J, Lwin SM, Azrielant S, Chateau A, Ede C, Sons J, Gxolo Z, Skenjana A, Mankahla A, Drusinsky S, Kannenberg SM, Mhlanga S, Luthuli M, Topping L, Taicher E, Flohr C, Dlova NC, Ashcroft DM, Griffiths CEM. Wright AK, et al. Br J Dermatol. 2026 Jan 6;194(1):125-134. doi: 10.1093/bjd/ljaf386. Br J Dermatol. 2026. PMID: 41042992
The most common issues in adults were dry skin, acne, dark discoloured patches, hair loss and athlete's foot. Psoriasis was rare. There were differences between the sexes (including the type of skin condition and how common it was). ...
The most common issues in adults were dry skin, acne, dark discoloured patches, hair loss and athlete's foot. Psoriasis was rare. The …
Suitability of the use of the intraperitoneal route in the in vivo micronucleus test to evaluate the genotoxicity of hair dyes.
Hewitt NJ, Vandecasteele HA, Benndorf P, Fautz R, Fuchs A, Fussell K, Goebel C, König T, Nesslany F, Werner J, Fowler P. Hewitt NJ, et al. Regul Toxicol Pharmacol. 2026 Jan;164:105948. doi: 10.1016/j.yrtph.2025.105948. Epub 2025 Sep 24. Regul Toxicol Pharmacol. 2026. PMID: 41005556 Free article.
Therefore, we investigated whether these studies are still valid for evaluating genotoxicity of hair dyes. Small to medium size molecules, including hair dyes, are preferentially absorbed via the portal vein and undergo first-pass metabolism, whereas large molecules …
Therefore, we investigated whether these studies are still valid for evaluating genotoxicity of hair dyes. Small to medium size molec …
A Canadian Consensus on Androgenetic Alopecia: Approach and Management.
Landells I, Chow E, Gupta AK, Jasso Olivares JC, Thuraisingam T, Ahluwalia R, Tan JKL, Pratt M, Yadav G, Chivers Q, Vezina N, Laforest T, Raad E, Owen J, Dayeh NR. Landells I, et al. J Cutan Med Surg. 2025 Nov-Dec;29(5_suppl):5S-14S. doi: 10.1177/12034754251368849. Epub 2025 Sep 23. J Cutan Med Surg. 2025. PMID: 40986632 Free article.
Androgenetic alopecia (AGA) is the most common hair loss condition affecting between 40% to 50% of Canadian men and women by 50 years of age. ...Five interventions are recommended with near consensus: intralesional dutasteride; ketoconazole shampoo; low level laser therapy …
Androgenetic alopecia (AGA) is the most common hair loss condition affecting between 40% to 50% of Canadian men and women by 50 years …
Surface Forces and Frictional Properties of Adsorbed Biobased Cationic Polysaccharide Thin Films in Salted Aqueous Medium.
Bureau L, Trouille S, Luengo GS. Bureau L, et al. Langmuir. 2025 Aug 12;41(31):20544-20554. doi: 10.1021/acs.langmuir.5c01837. Epub 2025 Jul 29. Langmuir. 2025. PMID: 40728165
Intersurface forces mediated by polymer films are important in a range of technological and industrial situations. In cosmetics, applications such as hair conditioning typically rely on the adsorption of polyelectrolyte films onto the charged surface of hair fibers, …
Intersurface forces mediated by polymer films are important in a range of technological and industrial situations. In cosmetics, application …
A Canadian Algorithm on the Management of Telogen Effluvium.
Landells I, Gupta AK, Jasso Olivares JC, Chow EY, Thuraisingam T, Ahluwalia R, Yadav G, Pratt M, Vezina N, Raad E, Owen J, Dayeh NR. Landells I, et al. J Cutan Med Surg. 2025 Nov-Dec;29(5_suppl):15S-19S. doi: 10.1177/12034754251355198. Epub 2025 Jul 16. J Cutan Med Surg. 2025. PMID: 40671378 Free article.
Telogen effluvium (TE) is a form of transient hair loss in response to a triggering factor. It is a type of nonscarring alopecia, characterized by a generalized hair loss distribution with thinning of the hair and no exposed patches. It is thought to be induc …
Telogen effluvium (TE) is a form of transient hair loss in response to a triggering factor. It is a type of nonscarring alopecia, cha …
Understanding the water consumption associated with the use of hair care products: The impact of six hair characteristics on rinsing shampoos and conditioners.
Julie D, Pablo PD, Xavier F, David M. Julie D, et al. Int J Cosmet Sci. 2025 Dec;47(6):1026-1042. doi: 10.1111/ics.13082. Epub 2025 Jul 3. Int J Cosmet Sci. 2025. PMID: 40611606 Free PMC article.
To measure the water consumed in the use phase, an innovative and cost-effective methodology was developed and tested to measure the water consumed to rinse off hair care products (rinsability). METHODS: Over 4 months, we tested the rinsability of 10 shampoos and 10 hai …
To measure the water consumed in the use phase, an innovative and cost-effective methodology was developed and tested to measure the water c …
Effectiveness and tolerance of medicated shampoo containing selenium sulfide and salicylic acid in patients with seborrheic dermatitis.
Wang L, Liu H, Li N, Wang Y, Liu Q, Zheng Y, Yang D, Wu W. Wang L, et al. J Dermatolog Treat. 2025 Dec;36(1):2506676. doi: 10.1080/09546634.2025.2506676. Epub 2025 May 27. J Dermatolog Treat. 2025. PMID: 40421970 Free article.
METHODS: In this cross-sectional study, 560 seborrheic dermatitis patients from Chinese hospitals used the medicated shampoo for approximately 21 days. Patients self-rated scalp and hair conditions before and after treatment, with scores 4 defined as good effectiveness/to …
METHODS: In this cross-sectional study, 560 seborrheic dermatitis patients from Chinese hospitals used the medicated shampoo for approximate …
A Selenium Disulfide-Based Shampoo Is Beneficial for Dandruff Management and Rebalancing the Scalp Microbiome of Subjects of Any Hair Type.
Reygagne PE, Deloche-Bensmaine C, Leclerc-Mercier S, Faure J, Kovylkina N, Clavaud C, Gueniche A, Barbosa V. Reygagne PE, et al. Skin Appendage Disord. 2025 Dec;11(6):536-547. doi: 10.1159/000544742. Epub 2025 Mar 11. Skin Appendage Disord. 2025. PMID: 40385516 Free PMC article.
SSSD and total dandruff scores were the highest in hair type IV-V, erythema scores in hair type I-III, and the itching score in hair type VI-VIII, with no differences between hair types for any parameter. ...SSSD and total dandruff scores were the high …
SSSD and total dandruff scores were the highest in hair type IV-V, erythema scores in hair type I-III, and the itching score i …
Types and Characteristics of Hair Across the Globe: Results of a Multinational Study on 19,461 Individuals.
Flament F, Maudet A, Barbarat P, Jabnoun M, Bayer-Vanmoen M, Imbert Legrain A, Leclerc-Mercier S, Taieb C, Skayem C, Lebarbanchon L. Flament F, et al. Clin Cosmet Investig Dermatol. 2025 Feb 18;18:393-404. doi: 10.2147/CCID.S377009. eCollection 2025. Clin Cosmet Investig Dermatol. 2025. PMID: 39991109 Free PMC article.
INTRODUCTION: Hair plays a critical role in enhancing physical appearance, self-esteem, and identity. ...Damaged hair was reported by 47% of females and 30% of males. Ethnic differences showed that thick hair was most common in African (40.7%) and least in As …
INTRODUCTION: Hair plays a critical role in enhancing physical appearance, self-esteem, and identity. ...Damaged hair was repo …
Reinforcing chemically treated human hair with citric acid.
Zhang D, Baghdadli N, Greaves AJ. Zhang D, et al. Int J Cosmet Sci. 2025 Jun;47(3):411-423. doi: 10.1111/ics.13039. Epub 2025 Jan 6. Int J Cosmet Sci. 2025. PMID: 39757966
METHODS: Consumer-centric routines were used to prepare the chemically treated hair, namely high-lift bleached, middle-lift bleached, permanently coloured and a combination of permed and coloured hair. ...This opens exciting avenues for innovation in hair car …
METHODS: Consumer-centric routines were used to prepare the chemically treated hair, namely high-lift bleached, middle-lift bleached, …
Adsorption hierarchy of surfactants and polymers to a damaged hair model: effect of composition, order and polymer size.
Cozzolino S, Gutfreund P, Vorobiev A, Welbourn RJL, Greaves A, Zuttion F, Rutland MW, Luengo GS. Cozzolino S, et al. Phys Chem Chem Phys. 2025 Jan 2;27(2):1089-1099. doi: 10.1039/d4cp03603d. Phys Chem Chem Phys. 2025. PMID: 39686856
This paper aims at contributing to this research by applying a combination of surface techniques (neutron reflectometry, quartz-crystal microbalance and atomic force microscopy) to study adsorption of surface active ingredients onto hair-mimetic surfaces. The surface of …
This paper aims at contributing to this research by applying a combination of surface techniques (neutron reflectometry, quartz-crystal micr …
A Comparative Randomized Clinical Study Assessing the Efficacy of a 1% Selenium Disulfide-Based Shampoo versus 2% Ketoconazole Shampoo in Subjects with Moderate to Severe Scalp Seborrheic Dermatitis.
Barbosa V, Melo DF, Vañó-Galván S, Lutchmanen-Kolanthan V, Sant'Anna B, Leclerc-Mercier S, Reygagne P. Barbosa V, et al. Skin Appendage Disord. 2024 Dec;10(6):497-504. doi: 10.1159/000539209. Epub 2024 Jun 18. Skin Appendage Disord. 2024. PMID: 39659649 Free PMC article.
METHODS: This multi-centric, double-blinded, randomized 4-week study was conducted in 64 adult subjects with moderate to severe SSD (SSD severity score (SSSD) > 6). Shampoo was applied on the scalp and hair, according to product indications. Clinical examinations at bas …
METHODS: This multi-centric, double-blinded, randomized 4-week study was conducted in 64 adult subjects with moderate to severe SSD (SSD sev …
Cross-Sectional Examination of Thyroid Hormones and Environmental Exposure to Multiclass Pesticides in Women of Reproductive Age in China.
Peng FJ, Palazzi P, Mezzache S, Adelin E, Bourokba N, Bastien P, Appenzeller BMR. Peng FJ, et al. Environ Health Perspect. 2024 Oct;132(10):107005. doi: 10.1289/EHP14378. Epub 2024 Oct 18. Environ Health Perspect. 2024. PMID: 39422607 Free PMC article.
Moreover, such studies often measure biomarkers of exposure in urine or blood, and thus reveal only recent exposure. In contrast, hair has been demonstrated to be a suitable matrix for assessing chronic exposure to both persistent and nonpersistent organic pollutants. ...F …
Moreover, such studies often measure biomarkers of exposure in urine or blood, and thus reveal only recent exposure. In contrast, hair …
Roles of Polymer Concentration and Ionic Strength in the Deposition of Chitosan of Fungal Origin onto Negatively Charged Surfaces.
Ormeño-Martínez M, Guzmán E, Fernández-Peña L, Greaves AJ, Bureau L, Ortega F, Rubio RG, Luengo GS. Ormeño-Martínez M, et al. Biomimetics (Basel). 2024 Sep 4;9(9):534. doi: 10.3390/biomimetics9090534. Biomimetics (Basel). 2024. PMID: 39329556 Free PMC article.
Specifically, the research examines the solubility of fungal chitosan in aqueous solutions of varying ionic strength and its adsorption onto negatively charged surfaces that mimic human hair keratin. The adsorption behavior, water content, and frictional properties of chit …
Specifically, the research examines the solubility of fungal chitosan in aqueous solutions of varying ionic strength and its adsorption onto …
Mimicking the hair surface for neutron reflectometry.
Cozzolino S, Gutfreund P, Vorobiev A, Devishvili A, Greaves A, Nelson A, Yepuri N, Luengo GS, Rutland MW. Cozzolino S, et al. Soft Matter. 2024 Oct 2;20(38):7634-7645. doi: 10.1039/d4sm00784k. Soft Matter. 2024. PMID: 39291556
The cosmetic industry is currently embracing the opportunity of increasing the sustainability of their hair-care products whilst improving product performance. To do this, it is vital to have a deeper understanding of the hair surface and how it interacts with ha …
The cosmetic industry is currently embracing the opportunity of increasing the sustainability of their hair-care products whilst impr …
The biomechanics of splitting hairs.
Taylor D, Barton E, Duffy I, Enea-Casse R, Marty G, Teeling R, Santoprete R. Taylor D, et al. Interface Focus. 2024 Jun 7;14(3):20230063. doi: 10.1098/rsfs.2023.0063. eCollection 2024 Jun. Interface Focus. 2024. PMID: 39081627 Free PMC article.
We developed three new tests, known as 'loop tensile', 'moving loop' and 'moving loop fatigue', aiming to simulate the mechanical environment of tangles of hair strands during combing. We tested straight strands of human hair, comparing low-quality hair (from …
We developed three new tests, known as 'loop tensile', 'moving loop' and 'moving loop fatigue', aiming to simulate the mechanical environmen …
Spectral histology of hair and hair follicle using infrared microspectroscopy.
Christophe S, Lucien B, Thomas B, Nawel B, Sébastien T, Pauline F, Ferenc B. Christophe S, et al. Int J Cosmet Sci. 2024 Dec;46(6):949-961. doi: 10.1111/ics.12980. Epub 2024 Jul 24. Int J Cosmet Sci. 2024. PMID: 39044663
In this study, we present new results combining multiple infrared microspectroscopy methods at different length scales to create a better chemical histology of human hair, including the hair follicle, hair shaft, hair medulla and hair cuticle. M …
In this study, we present new results combining multiple infrared microspectroscopy methods at different length scales to create a better ch …
The relevance and accuracy of an AI algorithm-based descriptor on 23 facial attributes in a diverse female US population.
Yu Z, Flament F, Jiang R, Houghton J, Kroely C, Cabut N, Haykal D, Sehgal C, Jablonski NG, Jean A, Aarabi P. Yu Z, et al. Skin Res Technol. 2024 May;30(5):e13690. doi: 10.1111/srt.13690. Skin Res Technol. 2024. PMID: 38716749 Free PMC article.
CONCLUSION: In conclusion, the AI-automatic facial descriptor tool was deemed accurate for analysis of facial attributes for diverse women although some skin complexion, eye color, and hair features required some further finetuning....
CONCLUSION: In conclusion, the AI-automatic facial descriptor tool was deemed accurate for analysis of facial attributes for diverse women a …
Glucocorticoid hormones in relation to environmental exposure to bisphenols and multiclass pesticides among middle aged-women: Results from hair analysis.
Peng FJ, Palazzi P, Mezzache S, Adelin E, Bourokba N, Bastien P, Appenzeller BMR. Peng FJ, et al. Environ Pollut. 2024 May 1;348:123839. doi: 10.1016/j.envpol.2024.123839. Epub 2024 Mar 22. Environ Pollut. 2024. PMID: 38522601
Moreover, measurements from biological fluids may not be able to reflect long-term status of non-persistent pollutants and glucocorticoids due to the high variability in their levels. Using hair analysis, we examined the associations between glucocorticoid hormones and env …
Moreover, measurements from biological fluids may not be able to reflect long-term status of non-persistent pollutants and glucocorticoids d …
Support for dermatological research in Sub-Saharan Africa: insights from African hair and skin research programs.
De Faverney PM, Molamodi K, Tancrede-Bohin E, Verschoore M. De Faverney PM, et al. Int J Dermatol. 2024 Aug;63(8):1081-1088. doi: 10.1111/ijd.17058. Epub 2024 Feb 17. Int J Dermatol. 2024. PMID: 38366727
BACKGROUND: The structure and physiology of skin and hair in people of African ancestry are different from other ethnic categories and studies from other continents cannot necessarily be extrapolated to Sub-Saharan Africa (SSA) due to the differences in genetics, lifestyle …
BACKGROUND: The structure and physiology of skin and hair in people of African ancestry are different from other ethnic categories an …
Weekly hair washing: The recommended solution for women with afro-textured hair to alleviate dandruff and scalp discomfort.
Fajuyigbe D, Sewraj P, Connétable S, Molamodi K, Clavaud C, Dufour O, Matthews N, Dlova NC. Fajuyigbe D, et al. J Dermatol. 2024 Apr;51(4):518-525. doi: 10.1111/1346-8138.17102. Epub 2024 Jan 12. J Dermatol. 2024. PMID: 38217001
Dandruff and scalp discomfort are common concerns for women and men in Africa. Moreover, women with afro-textured hair are prone to scalp discomfort owing to irregular hair washing, frequent use of oil-based products on their scalp, and harsh chemical treatments. .. …
Dandruff and scalp discomfort are common concerns for women and men in Africa. Moreover, women with afro-textured hair are prone to s …
Association between Environmental Exposure to Multiclass Organic Pollutants and Sex Steroid Hormone Levels in Women of Reproductive Age.
Peng FJ, Palazzi P, Mezzache S, Adelin E, Bourokba N, Bastien P, Appenzeller BMR. Peng FJ, et al. Environ Sci Technol. 2023 Dec 5;57(48):19383-19394. doi: 10.1021/acs.est.3c06095. Epub 2023 Nov 7. Environ Sci Technol. 2023. PMID: 37934613
Moreover, measurements from a single blood or urine sample may not be able to reflect long-term status. Using hair analysis, here, we evaluated the relationship between multiclass organic pollutants and sex steroid hormones in 196 healthy Chinese women aged 25-45 years. .. …
Moreover, measurements from a single blood or urine sample may not be able to reflect long-term status. Using hair analysis, here, we …
Dilution-Induced Deposition of Concentrated Binary Mixtures of Cationic Polysaccharides and Surfactants.
Fernández-Peña L, Guzmán E, Oñate-Martínez T, Fernández-Pérez C, Ortega F, Rubio RG, Luengo GS. Fernández-Peña L, et al. Polymers (Basel). 2023 Jul 12;15(14):3011. doi: 10.3390/polym15143011. Polymers (Basel). 2023. PMID: 37514401 Free PMC article.
This work investigates the effect of dilution on the phase separation process of binary charged polysaccharide-surfactant mixtures formed by two cationic polysaccharides and up to four surfactants of different nature (anionic, zwitterionic, and neutral), as well as the potential …
This work investigates the effect of dilution on the phase separation process of binary charged polysaccharide-surfactant mixtures formed by …
Clinical benefit and tolerance profile of a keratolytic and hydrating shampoo in subjects with mild to moderate psoriasis. Results from a double-blind, randomized, vehicle-controlled study.
Massiot P, Pinto PC, Leclerc-Mercier S, Rasmont V, Piraccini BM, Rudnicka L, Reygagne P, Melo DF, Vano-Galvan S, Wu WY, Kerob D. Massiot P, et al. J Cosmet Dermatol. 2023 Jul;22(7):2050-2053. doi: 10.1111/jocd.15693. Epub 2023 Mar 21. J Cosmet Dermatol. 2023. PMID: 36942745 Clinical Trial.
Assessments included the Psoriasis Scalp Severity Index (PSSI), Investigator Global Assessment (IGA), calculated total surface affected hair, scalp greasiness, irritation, and assessed scalp dermatitis-specific quality-of-life issues using SCALPDEX and product acceptabilit …
Assessments included the Psoriasis Scalp Severity Index (PSSI), Investigator Global Assessment (IGA), calculated total surface affected h …
Survey of Hand Issues Encountered by Hairdressers and Hairdresser Related Professionals: From Epidemiological Data to Clinical Observational Survey Results.
Seité S, Le Dantec G, Demessant-Flavigny A, Kerob D. Seité S, et al. Clin Cosmet Investig Dermatol. 2023 Jan 18;16:111-117. doi: 10.2147/CCID.S385681. eCollection 2023. Clin Cosmet Investig Dermatol. 2023. PMID: 36698444 Free PMC article.
In their daily procedures, a majority ( 76%) always or often used shampoos, hair dyes, oxidants, bleachers, straighteners and perms. Overall, a majority (>60%) of subjects always or often had hand irritation due to this use (except for straighteners). ...
In their daily procedures, a majority ( 76%) always or often used shampoos, hair dyes, oxidants, bleachers, straighteners and perms. …
Assessing the effect of cleansing products on artificially polluted human hairs and skin through in vivo and in vitro models.
Galliano A, Ye C, Su F, Wang C, Rakshit R, Guerin M, Flament F, Steel A. Galliano A, et al. Skin Res Technol. 2023 Jan;29(1):e13220. doi: 10.1111/srt.13220. Epub 2023 Jan 7. Skin Res Technol. 2023. PMID: 36609868 Free PMC article.
First, with an artificial sebum mixed with Carbon Black particles, named "sebollution," we evaluated, through an instrumental color measurement, the cleansing efficacy of some shampoo on scalp and hair. The second protocol allowed to assess the interaction between hair …
First, with an artificial sebum mixed with Carbon Black particles, named "sebollution," we evaluated, through an instrumental color measurem …
Shearing friction behaviour of synthetic polymers compared to a functionalized polysaccharide on biomimetic surfaces: models for the prediction of performance of eco-designed formulations.
Coscia BJ, Shelley JC, Browning AR, Sanders JM, Chaudret R, Rozot R, Léonforte F, Halls MD, Luengo GS. Coscia BJ, et al. Phys Chem Chem Phys. 2023 Jan 18;25(3):1768-1780. doi: 10.1039/d2cp05465e. Phys Chem Chem Phys. 2023. PMID: 36597804
In this work, we simulate the tribological behaviour of three topologically distinct polymers in solution with surfactants and in contact with hair-biomimetic patterned surfaces. We compare a generic functionalized polysaccharide to two performant polymers used in shampoo …
In this work, we simulate the tribological behaviour of three topologically distinct polymers in solution with surfactants and in contact wi …
Age-associated thin hair displays molecular, structural and mechanical characteristic changes.
Baltenneck F, Genty G, Samra EB, Richena M, Harland DP, Clerens S, Leccia E, Le Balch M, Doucet J, Michelet JF, Commo S. Baltenneck F, et al. J Struct Biol. 2022 Dec;214(4):107908. doi: 10.1016/j.jsb.2022.107908. Epub 2022 Oct 17. J Struct Biol. 2022. PMID: 36265530
Hair thinning occurs during normal chronological aging in women and in men leading to an increased level of thinner hair shafts alongside original thicker shafts. ...Hence, hair thinning with age does not consist simply of the production of a smaller hair …
Hair thinning occurs during normal chronological aging in women and in men leading to an increased level of thinner hair shaft …
NRF2 in dermo-cosmetic: From scientific knowledge to skin care products.
Frantz MC, Rozot R, Marrot L. Frantz MC, et al. Biofactors. 2023 Jan;49(1):32-61. doi: 10.1002/biof.1907. Epub 2022 Oct 18. Biofactors. 2023. PMID: 36258295 Review.
Its involvement in UV protection, reduction of inflammation in processes associated with healing, epidermal differentiation for barrier function, and hair regrowth, has been demonstrated. The modulation of Nrf2 in the skin may therefore constitute a skin protection or care …
Its involvement in UV protection, reduction of inflammation in processes associated with healing, epidermal differentiation for barrier func …
Study of the Dilution-Induced Deposition of Concentrated Mixtures of Polyelectrolytes and Surfactants.
Fernández-Peña L, Guzmán E, Fernández-Pérez C, Barba-Nieto I, Ortega F, Leonforte F, Rubio RG, Luengo GS. Fernández-Peña L, et al. Polymers (Basel). 2022 Mar 25;14(7):1335. doi: 10.3390/polym14071335. Polymers (Basel). 2022. PMID: 35406209 Free PMC article.
This makes it difficult to make predictions for specific performance, as, for example, good hair manageability after a shampoo or a comfortable sensorial appreciation after a skin cleanser. ...
This makes it difficult to make predictions for specific performance, as, for example, good hair manageability after a shampoo or a c …
The Effect of Vegetable Oil Composition on the Structural Properties of Oleogels Based on Behenyl Alcohol/Behenic Acid Oleogelator System.
Callau M, Jenkins N, Sow-Kebe K, Levivier C, Fameau AL. Callau M, et al. J Cosmet Sci. 2021 Jul-Aug;72(4):399-417. J Cosmet Sci. 2021. PMID: 35262481
Oleogels are based on BO and BA components, which are raw materials widely used for hair and skin applications.Different oils have different fatty acid chain lengths composition and as a result, the ratio between BO and BA needs to be adjusted in order to obtain the best o …
Oleogels are based on BO and BA components, which are raw materials widely used for hair and skin applications.Different oils have di …
Virtual approach of the aesthetical fit between hair colours and skin tones in women of different ethnical origin backgrounds.
Galliano A, Guerin M, Lambert V, Favrot I, Seneca D, Lequeux F, Flament F, Sleurs A, Foster B, Phung E, Lee KM, Houghton J. Galliano A, et al. Skin Res Technol. 2022 May;28(3):455-464. doi: 10.1111/srt.13146. Epub 2022 Mar 8. Skin Res Technol. 2022. PMID: 35261091 Free PMC article.
OBJECTIVE: To determine the aesthetical accordance between a given skin tone and the 11 possible colours of head hairs, covered by a marketed hair colouration product. MATERIAL AND METHODS: The photographs of professional top models, representing several ancestries (non-Hi …
OBJECTIVE: To determine the aesthetical accordance between a given skin tone and the 11 possible colours of head hairs, covered by a markete …
Profiling steroid and thyroid hormones with hair analysis in a cohort of women aged 25 to 45 years old.
Peng FJ, Palazzi P, Mezzache S, Bourokba N, Soeur J, Appenzeller BMR. Peng FJ, et al. Eur J Endocrinol. 2022 Mar 18;186(5):K9-K15. doi: 10.1530/EJE-22-0081. Eur J Endocrinol. 2022. PMID: 35192511 Free PMC article.
METHODS: Sample preparation involved hair decontamination, pulverization, methanol extraction, and purification with C18-solid phase extraction. ...RESULTS: The method was validated on supplemented hair samples for the 37 targeted hormones, and its application to th …
METHODS: Sample preparation involved hair decontamination, pulverization, methanol extraction, and purification with C18-solid phase …
Advances in dermatology in sub-Saharan Africa in the past 20 years from workshops to the birth of the African Society of Dermatology and Venereology.
Verschoore M, Dlova N. Verschoore M, et al. Int J Dermatol. 2022 Jul;61(7):841-847. doi: 10.1111/ijd.16073. Epub 2022 Jan 26. Int J Dermatol. 2022. PMID: 35080012
BACKGROUND: Highly pigmented African skin and hair have distinct characteristics because of their unique physiology and structure. Twenty years ago, despite an increasing number of dermatology specialists in some African countries, there remained a paucity of collaborative …
BACKGROUND: Highly pigmented African skin and hair have distinct characteristics because of their unique physiology and structure. Tw …
Hair transparency decoding in Asia: From stylists' perception to in vitro measurement.
Zheng L, Matsumoto N, Galliano A, Basu S, Wunsch K, Isard O, Nakao C, Nicolas A, Velleman D. Zheng L, et al. Skin Res Technol. 2022 Jan;28(1):10-20. doi: 10.1111/srt.13083. Epub 2021 Dec 5. Skin Res Technol. 2022. PMID: 34865254 Free PMC article.
BACKGROUND: The concept of hair transparency has been claimed widely in the Japan (and now it is spreading to Asian) hair color market. ...In this work, we have decoded and gave clarity to the concept of hair transparency via a technical model (validated for …
BACKGROUND: The concept of hair transparency has been claimed widely in the Japan (and now it is spreading to Asian) hair colo …
An anti-hair loss treatment in the management of mild androgenetic alopecia: Results from a large, international observational study.
Reygagne P, Mandel VD, Delva C, Havlíčková M, Padlewska K, Khalil R, Meuleman V, Miranda GA, Nevskaya M, Michelet JF, Pouradier F, Vano-Galvan S, Kerob D. Reygagne P, et al. Dermatol Ther. 2021 Nov;34(6):e15134. doi: 10.1111/dth.15134. Epub 2021 Oct 22. Dermatol Ther. 2021. PMID: 34532936 Free PMC article.
After 3 months, investigators evaluated the impact of AC5 on hair loss, product satisfaction and asked subjects about local tolerance; subjects assessed hair growth and quality and satisfaction. ...At the end of study, hair loss was reduced in 89.0% of subjec …
After 3 months, investigators evaluated the impact of AC5 on hair loss, product satisfaction and asked subjects about local tolerance …
Multi-omics analysis to decipher the molecular link between chronic exposure to pollution and human skin dysfunction.
Misra N, Clavaud C, Guinot F, Bourokba N, Nouveau S, Mezzache S, Palazzi P, Appenzeller BMR, Tenenhaus A, Leung MHY, Lee PKH, Bastien P, Aguilar L, Cavusoglu N. Misra N, et al. Sci Rep. 2021 Sep 15;11(1):18302. doi: 10.1038/s41598-021-97572-1. Sci Rep. 2021. PMID: 34526566 Free PMC article.
While pollutants can interact with skin surface, contamination of deep skin by ultrafine particles or Polycyclic aromatic hydrocarbons (PAH) might be explained by their presence in blood and hair cortex. Molecular mechanisms leading to skin dysfunction due to pollution exp …
While pollutants can interact with skin surface, contamination of deep skin by ultrafine particles or Polycyclic aromatic hydrocarbons (PAH) …
A Curly Q: Is Frizz a Matter of Friction?
Skedung L, Collier ES, Harris KL, Rutland MW, Applebaum M, Greaves AJ, Luengo GS. Skedung L, et al. Perception. 2021 Aug;50(8):728-732. doi: 10.1177/03010066211024442. Epub 2021 Jun 21. Perception. 2021. PMID: 34152243
The oft discussed and fretted over environmental influences on hair have led to a popular consensus which suggests that elevated temperature and humidity lead to frizzier, wilder hair. ...Although frizziness is usually perceived visually, here the influence of varia …
The oft discussed and fretted over environmental influences on hair have led to a popular consensus which suggests that elevated temp …
Adsorption and Desorption of Polymers on Bioinspired Chemically Structured Substrates.
Morozova TI, García NA, Barrat JL, Luengo GS, Léonforte F. Morozova TI, et al. ACS Appl Mater Interfaces. 2021 Jun 30;13(25):30086-30097. doi: 10.1021/acsami.1c07425. Epub 2021 Jun 21. ACS Appl Mater Interfaces. 2021. PMID: 34151554
Natural biological surfaces exhibit interesting properties due to their inhomogeneous chemical and physical structure at the micro- and nanoscale. In the case of hair or skin, this also influences how waterborne macromolecules ingredients will adsorb and form cosmetically …
Natural biological surfaces exhibit interesting properties due to their inhomogeneous chemical and physical structure at the micro- and nano …
The Threshold of Toxicological Concern (TTC) is a pragmatic tool for the safety assessment: Case studies of cosmetic ingredients with low consumer exposure.
Bury D, Head J, Keller D, Klaric M, Rose J; Cosmetics Europe. Electronic address: cosmeticseurope@cosmeticseurope.eu. Bury D, et al. Regul Toxicol Pharmacol. 2021 Jul;123:104964. doi: 10.1016/j.yrtph.2021.104964. Epub 2021 May 21. Regul Toxicol Pharmacol. 2021. PMID: 34023455 Free article.
In order to demonstrate the diverse scope and successful application of the TTC concept to cosmetic ingredients including hair dyes, fragrances and plant-derived ingredients, Cosmetics Europe has prepared several case studies. ...
In order to demonstrate the diverse scope and successful application of the TTC concept to cosmetic ingredients including hair dyes, …
Developing an Artificial Intelligence (A.I)-based descriptor of facial appearance that fits with the assessments of makeup experts.
Flament F, Zhang Y, Yu Z, Jiang R, Houghton J, Sarda Duthil L, Arcin V, Daniel R, Perrier JC, Niviere J, Moyano G, Thenin A, Garcia MS, Adam AS, Chibout S, Blin X, Delaunay C, Aarabi P. Flament F, et al. Skin Res Technol. 2021 Nov;27(6):1081-1091. doi: 10.1111/srt.13061. Epub 2021 May 17. Skin Res Technol. 2021. PMID: 33998717
MATERIAL AND METHODS: The selfie images taken in very different conditions by 3326 women and men were used to create (90% of dataset) and validate (10% of dataset) a new algorithm architecture to appraise and grade 23 different facial signs such as lips, nose, eye color, eyebrows …
MATERIAL AND METHODS: The selfie images taken in very different conditions by 3326 women and men were used to create (90% of dataset) and va …
Low-Level Light Therapy Downregulates Scalp Inflammatory Biomarkers in Men With Androgenetic Alopecia and Boosts Minoxidil 2% to Bring a Sustainable Hair Regrowth Activity.
Mahe YF, Cheniti A, Tacheau C, Antonelli R, Planard-Luong L, de Bernard S, Buffat L, Barbarat P, Kanoun-Copy L. Mahe YF, et al. Lasers Surg Med. 2021 Nov;53(9):1208-1219. doi: 10.1002/lsm.23398. Epub 2021 May 11. Lasers Surg Med. 2021. PMID: 33973663 Free PMC article.
Since scalp inflammation was recognized as a potential physiological obstacle to the efficacy of the reference hair regrowth drug Minoxidil in vivo and since perifollicular inflammation is the hallmark of about 50%-70% follicular units in androgenetic alopecia, we decided …
Since scalp inflammation was recognized as a potential physiological obstacle to the efficacy of the reference hair regrowth drug Min …
Surface science of cosmetic substrates, cleansing actives and formulations.
Luengo GS, Fameau AL, Léonforte F, Greaves AJ. Luengo GS, et al. Adv Colloid Interface Sci. 2021 Apr;290:102383. doi: 10.1016/j.cis.2021.102383. Epub 2021 Feb 18. Adv Colloid Interface Sci. 2021. PMID: 33690071 Review.
In order to go beyond traditional formulations, it is of great importance to clearly establish the science behind cleansing technologies and appreciate the specificity of cleansing biological surfaces such as hair and skin. In this review, we present recent advances in our …
In order to go beyond traditional formulations, it is of great importance to clearly establish the science behind cleansing technologies and …
A methodological approach for quantifying aerial formaldehyde released by some hair treatments-modeling a hair-salon environment.
Henault P, Lemaire R, Salzedo A, Bover J, Provot G. Henault P, et al. J Air Waste Manag Assoc. 2021 Jun;71(6):754-760. doi: 10.1080/10962247.2021.1893238. Epub 2021 Apr 26. J Air Waste Manag Assoc. 2021. PMID: 33625956
Despite, some cosmetic firms recently introduced high and illegal concentrations of formaldehyde in hair treatments for increasing straightening and long-lasting performances. The objective of this study was to assess how and to which extent, these products may disperse fo …
Despite, some cosmetic firms recently introduced high and illegal concentrations of formaldehyde in hair treatments for increasing st …
Quantifying the impact of braiding and combing on the integrity of natural African hair.
Molamodi K, Fajuyigbe D, Sewraj P, Gichuri J, Sijako B, Galliano A, Laurent A. Molamodi K, et al. Int J Cosmet Sci. 2021 Jun;43(3):321-331. doi: 10.1111/ics.12699. Epub 2021 Mar 18. Int J Cosmet Sci. 2021. PMID: 33605448
BACKGROUND: Afro hair breakage is most commonly attributed to grooming practices such as braiding, hair extensions and weaves, both for chemically treated hair and natural Afro hair. ...The degree of damage and subsequent hair loss could also be …
BACKGROUND: Afro hair breakage is most commonly attributed to grooming practices such as braiding, hair extensions and weaves, …
Tribology of an assembly of hairs: Influence of multiscale surface chemistry and structure on sensorial tactile properties.
Galliano A, Fougere M, Wolfram L, Maibach HI, Luengo GS. Galliano A, et al. Skin Res Technol. 2021 Jul;27(4):607-617. doi: 10.1111/srt.12993. Epub 2021 Jan 6. Skin Res Technol. 2021. PMID: 33404155
MATERIALS AND METHODS: Friction forces between hair swatches of different curl patterns using a finger-like probe have been measured to better mimic real-life hair/finger contact. ...RESULTS: Conditioned hair exhibit an adhesive behavior measured at the start …
MATERIALS AND METHODS: Friction forces between hair swatches of different curl patterns using a finger-like probe have been measured …
Contact allergy to hair-colouring products: a cosmetovigilance follow-up study by four companies in Europe from 2014 to 2017.
Krasteva M, Caratas-Perifan M, Kock M, Koch T, Schlotmann K, Renk-Schmehl P, Fautz R, Fuchs A. Krasteva M, et al. Eur J Dermatol. 2020 Aug 1;30(4):377-388. doi: 10.1684/ejd.2020.3842. Eur J Dermatol. 2020. PMID: 32969799
BACKGROUND: A previous analysis of undesirable events (UEvs), reported to four major companies following the use of hair-colouring products in Europe, showed that the reporting rates were stable for both oxidative and direct hair-colouring products over the period 2 …
BACKGROUND: A previous analysis of undesirable events (UEvs), reported to four major companies following the use of hair-colouring pr …
Human exposure to PCBs, PBDEs and bisphenols revealed by hair analysis: A comparison between two adult female populations in China and France.
Peng FJ, Hardy EM, Béranger R, Mezzache S, Bourokba N, Bastien P, Li J, Zaros C, Chevrier C, Palazzi P, Soeur J, Appenzeller BMR. Peng FJ, et al. Environ Pollut. 2020 Dec;267:115425. doi: 10.1016/j.envpol.2020.115425. Epub 2020 Aug 15. Environ Pollut. 2020. PMID: 32882460 Free article.
All the PCBs and PBDEs tested here were more frequently detected in the hair samples of the French women than in those of the Chinese women. In both cohorts, PCB 180 and BDE 47 were the dominant PCB and PBDE congener, respectively. ...Although BPA and BPS were found in 100 …
All the PCBs and PBDEs tested here were more frequently detected in the hair samples of the French women than in those of the Chinese …
Discrete Nanoscale Distribution of Hair Lipids Fails to Provide Humidity Resistance.
Bildstein L, Deniset-Besseau A, Pasini I, Mazilier C, Keuong YW, Dazzi A, Baghdadli N. Bildstein L, et al. Anal Chem. 2020 Sep 1;92(17):11498-11504. doi: 10.1021/acs.analchem.0c01043. Epub 2020 Aug 17. Anal Chem. 2020. PMID: 32786438
The subcellular distribution of lipids in human hair was investigated to better understand their role in water permeability. Unlike stratum corneum where lipids are organized under a precisely ordered continuous structure, the removal of free lipids in hair does not …
The subcellular distribution of lipids in human hair was investigated to better understand their role in water permeability. Unlike s …
Improved HPLC Conditions to Determine Eumelanin and Pheomelanin Contents in Biological Samples Using an Ion Pair Reagent.
Ito S, Del Bino S, Hirobe T, Wakamatsu K. Ito S, et al. Int J Mol Sci. 2020 Jul 20;21(14):5134. doi: 10.3390/ijms21145134. Int J Mol Sci. 2020. PMID: 32698502 Free PMC article.
This improved HPLC method was compared to the original method using synthetic melanins, mouse hair, human hair, and human epidermal samples. In addition to PTCA, TTCA, a major marker for pheomelanin, showed excellent correlations between both HPLC methods. ...
This improved HPLC method was compared to the original method using synthetic melanins, mouse hair, human hair, and human epid …
Skin exposome science in practice : current evidence on hair biomonitoring and future perspectives.
Appenzeller BMR, Chadeau-Hyam M, Aguilar L. Appenzeller BMR, et al. J Eur Acad Dermatol Venereol. 2020 Jul;34 Suppl 4:26-30. doi: 10.1111/jdv.16640. J Eur Acad Dermatol Venereol. 2020. PMID: 32677066
The concentration of biomarkers in body fluids is highly variable over time due to differential elimination kinetics of chemicals, whereas they accumulate in hair. Hair analysis thus provides information on cumulative exposure over a longer period of time, and so ca …
The concentration of biomarkers in body fluids is highly variable over time due to differential elimination kinetics of chemicals, whereas t …
Validation of hair type diversification for recruiting shampoo panelists without losing data relevance.
Tabary C, Pouradier F, Belkebla S, Panhard S, Carvalho L, Vincenzi F. Tabary C, et al. Int J Cosmet Sci. 2020 Dec;42(6):590-595. doi: 10.1111/ics.12650. Epub 2020 Sep 7. Int J Cosmet Sci. 2020. PMID: 32634864
Among others, one possible solution was to restrict some requirements in the characteristics of hair. This study aimed at checking if a hair type diversification on either sensitization or curliness could influence the sensory perception of shampoos, and, if so, to …
Among others, one possible solution was to restrict some requirements in the characteristics of hair. This study aimed at checking if …
In Vitro Methods to Simulate Pollution and Photo-Pollution Exposure in Human Skin Epidermis.
Misra N, Marrot L. Misra N, et al. Methods Mol Biol. 2020;2150:227-241. doi: 10.1007/7651_2020_279. Methods Mol Biol. 2020. PMID: 32447580
While pollutants can interact with skin surface, contamination of deep skin by particulate matter (either ultrafine particles or by some polycyclic aromatic hydrocarbon (PAH) moieties) is also highly probable, particularly because PAH were detected in blood and inside the cortex …
While pollutants can interact with skin surface, contamination of deep skin by particulate matter (either ultrafine particles or by some pol …
Exposure to multiclass pesticides among female adult population in two Chinese cities revealed by hair analysis.
Peng FJ, Hardy EM, Mezzache S, Bourokba N, Palazzi P, Stojiljkovic N, Bastien P, Li J, Soeur J, Appenzeller BMR. Peng FJ, et al. Environ Int. 2020 May;138:105633. doi: 10.1016/j.envint.2020.105633. Epub 2020 Mar 14. Environ Int. 2020. PMID: 32179318 Free article.
However, information on the exposure of the general population to pesticides remain very limited in most countries, especially in urban areas. In the present work, hair analysis was conducted to investigate the exposure of 204 urban women living in two Chinese cities (Baod …
However, information on the exposure of the general population to pesticides remain very limited in most countries, especially in urban area …
A combination of pyridine-2, 4-dicarboxylic acid diethyl ester and resveratrol stabilizes hypoxia-inducible factor 1-alpha and improves hair density in female volunteers.
Juchaux F, Sellathurai T, Perrault V, Boirre F, Delannoy P, Bakkar K, Albaud J, Gueniche A, Cheniti A, Dal Belo S, Souverain L, Le Balch M, Commo S, Thibaut S, Michelet JF. Juchaux F, et al. Int J Cosmet Sci. 2020 Apr;42(2):167-173. doi: 10.1111/ics.12600. Epub 2020 Mar 3. Int J Cosmet Sci. 2020. PMID: 31960447
The effect of resveratrol against oxidative stress induced by hydrogen peroxide treatment was studied in hair follicle and hair matrix cells in vitro using the sensitive probe Dichloro-dihydro-fluorescein diacetate (DCFH-DA). ...Resveratrol significantly reduced the …
The effect of resveratrol against oxidative stress induced by hydrogen peroxide treatment was studied in hair follicle and hair …
Effect of molecular structure of eco-friendly glycolipid biosurfactants on the adsorption of hair-care conditioning polymers.
Fernández-Peña L, Guzmán E, Leonforte F, Serrano-Pueyo A, Regulski K, Tournier-Couturier L, Ortega F, Rubio RG, Luengo GS. Fernández-Peña L, et al. Colloids Surf B Biointerfaces. 2020 Jan 1;185:110578. doi: 10.1016/j.colsurfb.2019.110578. Epub 2019 Oct 19. Colloids Surf B Biointerfaces. 2020. PMID: 31678812
Pseudo-binary mixtures of different glycolipids, four different rhamnolipids (RL) and an alkyl polyglucoside (APG), with poly(diallyl-dimethylammonium chloride) (PDADMAC) have been studied in relation to their adsorption onto negatively charged surfaces to shed light on the impac …
Pseudo-binary mixtures of different glycolipids, four different rhamnolipids (RL) and an alkyl polyglucoside (APG), with poly(diallyl-dimeth …
Using wearable devices for assessing the impacts of hair exposome in Brazil.
De Vecchi R, da Silveira Carvalho Ripper J, Roy D, Breton L, Germano Marciano A, Bernardo de Souza PM, de Paula Corrêa M. De Vecchi R, et al. Sci Rep. 2019 Sep 16;9(1):13357. doi: 10.1038/s41598-019-49902-7. Sci Rep. 2019. PMID: 31527774 Free PMC article.
Previous studies have shown that physicochemical properties of hair can be impacted by internal and environmental exposures ranging from chemical stressors to weather. ...Polycyclic aromatic hydrocarbons (PAH) indicate possible causes of hair damages. This is the fi …
Previous studies have shown that physicochemical properties of hair can be impacted by internal and environmental exposures ranging f …
The biology of human hair: A multidisciplinary review.
Koch SL, Tridico SR, Bernard BA, Shriver MD, Jablonski NG. Koch SL, et al. Am J Hum Biol. 2020 Mar;32(2):e23316. doi: 10.1002/ajhb.23316. Epub 2019 Sep 3. Am J Hum Biol. 2020. PMID: 31479564 Review.
Here, we review and synthesize historical and current research on hair to better understand the scientific basis and biological implications of hair microstructure and morphology. We revisit the origins of existing nomenclature regarding hair morphology and c …
Here, we review and synthesize historical and current research on hair to better understand the scientific basis and biological impli …
Human pollution exposure correlates with accelerated ultrastructural degradation of hair fibers.
Naudin G, Bastien P, Mezzache S, Trehu E, Bourokba N, Appenzeller BMR, Soeur J, Bornschlögl T. Naudin G, et al. Proc Natl Acad Sci U S A. 2019 Sep 10;116(37):18410-18415. doi: 10.1073/pnas.1904082116. Epub 2019 Aug 26. Proc Natl Acad Sci U S A. 2019. PMID: 31451642 Free PMC article.
This allowed us to define a group of less contaminated hair samples as well as a more contaminated group. Using transmission electron microscopy (TEM) together with quantitative image analysis and blind scoring of 82 structural parameters, we find that the speed of natural …
This allowed us to define a group of less contaminated hair samples as well as a more contaminated group. Using transmission electron …
Morphometric characteristics of feminine eyebrows: variations with ethnicities and age.
Flament F, Seyrek I, Francois G, Zhu T, Ye C, Saint-Leger D. Flament F, et al. Int J Cosmet Sci. 2019 Oct;41(5):443-449. doi: 10.1111/ics.12557. Int J Cosmet Sci. 2019. PMID: 31310328
Six parameters of the eyebrows were recorded: length, waviness/curvature, oblique aspect, size (vertical height), total surface and hair coverage (density). RESULTS: Most criteria present ethnic specificities. These are: length (longer eyebrows of Indian, shorter among Afr …
Six parameters of the eyebrows were recorded: length, waviness/curvature, oblique aspect, size (vertical height), total surface and hair …
The impact of airborne pollution on skin.
Araviiskaia E, Berardesca E, Bieber T, Gontijo G, Sanchez Viera M, Marrot L, Chuberre B, Dreno B. Araviiskaia E, et al. J Eur Acad Dermatol Venereol. 2019 Aug;33(8):1496-1505. doi: 10.1111/jdv.15583. Epub 2019 Apr 26. J Eur Acad Dermatol Venereol. 2019. PMID: 30897234 Free PMC article. Review.
In this review, we report the outcomes of basic and clinical research studies monitoring pollutant levels in human tissues including the skin and hair. We present a current understanding of the biochemical and biophysical effects of pollutants on skin metabolism, inflammat …
In this review, we report the outcomes of basic and clinical research studies monitoring pollutant levels in human tissues including the ski …
Exploring some characteristics (density, anagen ratio, growth rate) of human body hairs. Variations with skin sites, gender and ethnics.
Bouabbache S, Pouradier F, Panhard S, Chaffiotte C, Loussouarn G. Bouabbache S, et al. Int J Cosmet Sci. 2019 Feb;41(1):46-54. doi: 10.1111/ics.12510. Epub 2019 Jan 17. Int J Cosmet Sci. 2019. PMID: 30580453
The anagen phase percentage appears higher in all women on leg and armpit. Hair body growth rates ranged from 180 to 485 mum day(-1) and were found, on axilla, close to those of terminal hairs. ...
The anagen phase percentage appears higher in all women on leg and armpit. Hair body growth rates ranged from 180 to 485 mum day(-1) …
Physical characterization of the hair of Mexican women.
Aslan S, Evans TA, Wares J, Norwood K, Idelcaid Y, Velkov D. Aslan S, et al. Int J Cosmet Sci. 2019 Feb;41(1):36-45. doi: 10.1111/ics.12509. Epub 2019 Feb 6. Int J Cosmet Sci. 2019. PMID: 30580439
Subjects were subdivided into five age groups and their hairs were characterized by fibre dimension, shape and tensile strength. Results show that Mexican hair appears to be intermediate of Asian and Caucasian hair in diameter and cross-sectional ellipticity. ...Res …
Subjects were subdivided into five age groups and their hairs were characterized by fibre dimension, shape and tensile strength. Results sho …
Exposure to polycyclic aromatic hydrocarbons in women living in the Chinese cities of BaoDing and Dalian revealed by hair analysis.
Palazzi P, Mezzache S, Bourokba N, Hardy EM, Schritz A, Bastien P, Emond C, Li J, Soeur J, Appenzeller BMR. Palazzi P, et al. Environ Int. 2018 Dec;121(Pt 2):1341-1354. doi: 10.1016/j.envint.2018.10.056. Epub 2018 Nov 9. Environ Int. 2018. PMID: 30420128 Free article.
The possibility to detect PAH and PAH metabolites biologically incorporated in human hair was demonstrated and proposed as biomarkers of exposure. Nevertheless, the possibility to distinguish different levels of exposure between different populations is still needed to val …
The possibility to detect PAH and PAH metabolites biologically incorporated in human hair was demonstrated and proposed as biomarkers …
Human long-term deregulated circadian rhythm alters regenerative properties of skin and hair precursor cells.
Deshayes N, Genty G, Berthelot F, Paris M. Deshayes N, et al. Eur J Dermatol. 2018 Aug 1;28(4):467-475. doi: 10.1684/ejd.2018.3358. Eur J Dermatol. 2018. PMID: 30396867
In mice, circadian arrhythmia of hair follicle stem cells contributes to age-related hair follicle cycling defects. Despite the well-described impact of circadian oscillations through a feedback loop involving the clock pathway on hair and skin stem cell func …
In mice, circadian arrhythmia of hair follicle stem cells contributes to age-related hair follicle cycling defects. Despite th …
Comparison of Healthy and Dandruff Scalp Microbiome Reveals the Role of Commensals in Scalp Health.
Saxena R, Mittal P, Clavaud C, Dhakan DB, Hegde P, Veeranagaiah MM, Saha S, Souverain L, Roy N, Breton L, Misra N, Sharma VK. Saxena R, et al. Front Cell Infect Microbiol. 2018 Oct 4;8:346. doi: 10.3389/fcimb.2018.00346. eCollection 2018. Front Cell Infect Microbiol. 2018. PMID: 30338244 Free PMC article.
Functional analysis showed that the fungal microbiome was enriched in pathways majorly implicated in cell-host adhesion in the dandruff scalp, while the bacterial microbiome showed a conspicuous enrichment of pathways related to the synthesis and metabolism of amino acids, biotin …
Functional analysis showed that the fungal microbiome was enriched in pathways majorly implicated in cell-host adhesion in the dandruff scal …
Allergy Alert Test for p-Phenylenediamine-Allergic Hair Dye Users.
Coenraads PJ, Aberer W, Cristaudo A, Diepgen T, Holden C, Koch L, Schuttelaar ML, Weisshaar E, Fuchs A, Schlotmann K, Goebel C, Blömeke B, Krasteva M. Coenraads PJ, et al. Dermatitis. 2018 Sep/Oct;29(5):250-257. doi: 10.1097/DER.0000000000000405. Dermatitis. 2018. PMID: 30234613
BACKGROUND: Contact dermatitis to hair dyes remains a health concern. Regulations in many countries require consumer self-testing for hair dyes, but no standardized procedure exists. ...Therefore, the AAT protocol provides a signal indicative of an allergic reaction …
BACKGROUND: Contact dermatitis to hair dyes remains a health concern. Regulations in many countries require consumer self-testing for …
Revisiting, in vivo, the hair regreasing process by the Sebuprint method.
Gao J, Liu C, Zhang S, Techer MP, Bouabbache S, Pouradier F, Panhard S. Gao J, et al. Skin Res Technol. 2019 Jan;25(1):79-87. doi: 10.1111/srt.12613. Epub 2018 Jul 25. Skin Res Technol. 2019. PMID: 30043398 Free PMC article.
BACKGROUND: The regreasing process of hair by sebum is daily observed by consumers. Methods to investigate this phenomenon were scarcely updated since the 1990s, despite the constant progresses in hair cleaning procedures or shampoo formulations. Our objective was f …
BACKGROUND: The regreasing process of hair by sebum is daily observed by consumers. Methods to investigate this phenomenon were scarc …
Developing Product Environmental Footprint Category Rules (PEFCR) for shampoos: The basis for comparable life cycle assessment.
Golsteijn L, Lessard L, Campion JF, Capelli A, D'Enfert V, King H, Kremer J, Krugman M, Orliac H, Furnemont SR, Schuh W, Stalmans M, O'Hanlon NW, Coroama M. Golsteijn L, et al. Integr Environ Assess Manag. 2018 Sep;14(5):649-659. doi: 10.1002/ieam.4064. Epub 2018 Aug 5. Integr Environ Assess Manag. 2018. PMID: 29870121
Many of the findings are applicable to other rinse-off cosmetic products, such as shower gels, liquid soaps, bath products, and hair conditioners. Integr Environ Assess Manag 2018;14:649-659. 2018 The Authors. Integrated Environmental Assessment and Management published …
Many of the findings are applicable to other rinse-off cosmetic products, such as shower gels, liquid soaps, bath products, and hair …
Skin sensitization quantitative risk assessment for occupational exposure of hairdressers to hair dye ingredients.
Goebel C, Diepgen TL, Blömeke B, Gaspari AA, Schnuch A, Fuchs A, Schlotmann K, Krasteva M, Kimber I. Goebel C, et al. Regul Toxicol Pharmacol. 2018 Jun;95:124-132. doi: 10.1016/j.yrtph.2018.03.006. Epub 2018 Mar 9. Regul Toxicol Pharmacol. 2018. PMID: 29530615
To conduct a quantitative risk assessment for the induction of contact sensitization to hair dyes in hairdressers, available data from hand rinsing studies following typical occupational exposure conditions to PPD, PTD and resorcinol were assessed. ...We conclude that awar …
To conduct a quantitative risk assessment for the induction of contact sensitization to hair dyes in hairdressers, available data fro …
Acid hydrolysis reveals a low but constant level of pheomelanin in human black to brown hair.
Ito S, Miyake S, Maruyama S, Suzuki I, Commo S, Nakanishi Y, Wakamatsu K. Ito S, et al. Pigment Cell Melanoma Res. 2018 May;31(3):393-403. doi: 10.1111/pcmr.12673. Epub 2017 Dec 9. Pigment Cell Melanoma Res. 2018. PMID: 29171182
Therefore, in this study, we aimed to investigate the origin of pheomelanin markers in black to brown human hair by developing a method to remove protein components from hair by heating with 6 M HCl at 110 C for 16 hr. For comparison, synthetic melanins were prepare …
Therefore, in this study, we aimed to investigate the origin of pheomelanin markers in black to brown human hair by developing a meth …
Comparing touch senses of naive and expert panels through treated hair swatches: which associated wordings correlate with hair physical properties?
Galliano A, Kempf JY, Fougere M, Applebaum M, Wolfram LJ, Maibach H. Galliano A, et al. Int J Cosmet Sci. 2017 Dec;39(6):653-663. doi: 10.1111/ics.12428. Epub 2017 Oct 18. Int J Cosmet Sci. 2017. PMID: 28921571
Hair swatches were measured and assessed by various instrumental techniques (bending, diameter, cuticle cohesion, alignments of hair). ...Hair swatches were well differentiated by both panels, with comparable descriptor rankings....
Hair swatches were measured and assessed by various instrumental techniques (bending, diameter, cuticle cohesion, alignments of ha …
Modeling of Polyelectrolyte Adsorption from Micellar Solutions onto Biomimetic Substrates.
Banerjee S, Cazeneuve C, Baghdadli N, Ringeissen S, Léonforte F, Leermakers FAM, Luengo GS. Banerjee S, et al. J Phys Chem B. 2017 Sep 21;121(37):8638-8651. doi: 10.1021/acs.jpcb.7b05195. Epub 2017 Sep 12. J Phys Chem B. 2017. PMID: 28832151 Free PMC article.
In this work, we aim to evaluate the effect of a model biomimetic surface that shares the key characteristics of the extreme surface of hair and its concomitant chemo- and physisorbed properties onto the deposition of a complex PEs:SU system. ...Using numerical self-consis …
In this work, we aim to evaluate the effect of a model biomimetic surface that shares the key characteristics of the extreme surface of h …
Particulate matter adheres to human hair exposed to severe aerial pollution: consequences for certain hair surface properties.
Galliano A, Ye C, Su F, Wang C, Wang Y, Liu C, Wagle A, Guerin M, Flament F, Steel A. Galliano A, et al. Int J Cosmet Sci. 2017 Dec;39(6):610-616. doi: 10.1111/ics.12416. Epub 2017 Sep 26. Int J Cosmet Sci. 2017. PMID: 28748540
BACKGROUND: The deposit and adherence of particulate matter (PM) from aerial pollution onto the surface of human hair is a poorly studied phenomenon. OBJECTIVES: (i) To reproduce in vitro the deposit of known PM on standardized hair swatches in a closed box, (ii) to …
BACKGROUND: The deposit and adherence of particulate matter (PM) from aerial pollution onto the surface of human hair is a poorly stu …
[How I treat … dandruff using a shampoo with a sulfate-free tensio-active].
Reygagne P, Piérard GE, Loussouarn G, Le Nôtre N, Ziane S. Reygagne P, et al. Rev Med Liege. 2016 Sep;71(9):365-370. Rev Med Liege. 2016. PMID: 28383830 Free article. Clinical Trial. French.
In addition, piroctone olamine appears to influence the sebum rheology by reducing the hair greasing....
In addition, piroctone olamine appears to influence the sebum rheology by reducing the hair greasing....
The hair follicle enigma.
Bernard BA. Bernard BA. Exp Dermatol. 2017 Jun;26(6):472-477. doi: 10.1111/exd.13337. Epub 2017 May 9. Exp Dermatol. 2017. PMID: 28266743 Review.
The hair follicle is a mini-organ endowed with a unique structure and cyclic behaviour. Despite the intense research efforts which have been devoted at deciphering the hair follicle biology over the past 70 years, one must admit that hair follicle remains an …
The hair follicle is a mini-organ endowed with a unique structure and cyclic behaviour. Despite the intense research efforts which ha …
Polygonum multiflorum Radix extract protects human foreskin melanocytes from oxidative stress in vitro and potentiates hair follicle pigmentation ex vivo.
Sextius P, Betts R, Benkhalifa I, Commo S, Eilstein J, Massironi M, Wang P, Michelet JF, Qiu J, Tan X, Jeulin S. Sextius P, et al. Int J Cosmet Sci. 2017 Aug;39(4):419-425. doi: 10.1111/ics.12391. Epub 2017 Apr 27. Int J Cosmet Sci. 2017. PMID: 28109001
To improve solubility for cosmetic uses, a new Polygonum multiflorum Radix extract was derived. As hair greying is the consequence of melanocyte disappearance in an oxidative stress environment, we checked whether the antioxidant capacity of the new Polygonum multiflorum R …
To improve solubility for cosmetic uses, a new Polygonum multiflorum Radix extract was derived. As hair greying is the consequence of …
Mixed monolayers of alkane thiols with polar terminal group on gold: Investigation of structure dependent surface properties.
Besharat Z, Wakeham D, Johnson CM, Luengo GS, Greaves A, Odnevall Wallinder I, Göthelid M, Rutland MW. Besharat Z, et al. J Colloid Interface Sci. 2016 Dec 15;484:279-290. doi: 10.1016/j.jcis.2016.08.053. Epub 2016 Aug 21. J Colloid Interface Sci. 2016. PMID: 27632073
These results will have a significant impact on the design of biomimetic surface coatings particularly when mixtures of oppositely charged molecules are present on the surface, as is commonly the case in biological, proteinaceous surfaces (e.g. hair and skin)....
These results will have a significant impact on the design of biomimetic surface coatings particularly when mixtures of oppositely charged m …
The diversity of the human hair colour assessed by visual scales and instrumental measurements. A worldwide survey.
Lozano I, Saunier JB, Panhard S, Loussouarn G. Lozano I, et al. Int J Cosmet Sci. 2017 Feb;39(1):101-107. doi: 10.1111/ics.12359. Epub 2016 Sep 14. Int J Cosmet Sci. 2017. PMID: 27506896
OBJECTIVES: To study (i) the diversity of the natural colour of the human hair through both visual assessment of hair tone levels and colorimetric measurements of hair strands collected from 2057 human male and female volunteers, from 23 regions of the world …
OBJECTIVES: To study (i) the diversity of the natural colour of the human hair through both visual assessment of hair tone lev …
Keratin network modifications lead to the mechanical stiffening of the hair follicle fiber.
Bornschlögl T, Bildstein L, Thibaut S, Santoprete R, Fiat F, Luengo GS, Doucet J, Bernard BA, Baghdadli N. Bornschlögl T, et al. Proc Natl Acad Sci U S A. 2016 May 24;113(21):5940-5. doi: 10.1073/pnas.1520302113. Epub 2016 May 9. Proc Natl Acad Sci U S A. 2016. PMID: 27162354 Free PMC article.
Although much is known about the influence of the cytoskeleton on the mechanics of isolated cells, this has been less studied in tridimensional tissues. We used the hair follicle as a model to link changes in the keratin network composition and architecture to the mechanic …
Although much is known about the influence of the cytoskeleton on the mechanics of isolated cells, this has been less studied in tridimensio …
What is a Caucasian 'fine' hair? Comparing instrumental measurements, self-perceptions and assessments from hair experts.
Bouabbache S, Galliano A, Littaye P, Leportier M, Pouradier F, Gillot E, Panhard S, Loussouarn G. Bouabbache S, et al. Int J Cosmet Sci. 2016 Dec;38(6):581-588. doi: 10.1111/ics.12323. Epub 2016 Apr 26. Int J Cosmet Sci. 2016. PMID: 27021923
They varied in age, and varied in that some considered themselves as having fine hair, and others not. The instrumental measurements carried out included hair diameter measurements, hair density measurements, hair breakage force, hair flexibilit …
They varied in age, and varied in that some considered themselves as having fine hair, and others not. The instrumental measurements …
Diversity in human hair growth, diameter, colour and shape. An in vivo study on young adults from 24 different ethnic groups observed in the five continents.
Loussouarn G, Lozano I, Panhard S, Collaudin C, El Rawadi C, Genain G. Loussouarn G, et al. Eur J Dermatol. 2016 Apr 1;26(2):144-54. doi: 10.1684/ejd.2015.2726. Eur J Dermatol. 2016. PMID: 27019510
Natural hair colour level, curliness and hair diameter were additionally recorded, when practically possible. ...Statistical approaches depicted African hair as having lower density and a slower growth rate. Asian hair showed a thicker diameter, with f …
Natural hair colour level, curliness and hair diameter were additionally recorded, when practically possible. ...Statistical a …
Advances in Understanding Hair Growth.
Bernard BA. Bernard BA. F1000Res. 2016 Feb 8;5:F1000 Faculty Rev-147. doi: 10.12688/f1000research.7520.1. eCollection 2016. F1000Res. 2016. PMID: 26918186 Free PMC article. Review.
In this short review, I introduce an integrated vision of human hair follicle behavior and describe opposing influences that control hair follicle homeostasis, from morphogenesis to hair cycling. ...Moreover, a new promising field is emerging, suggesting that …
In this short review, I introduce an integrated vision of human hair follicle behavior and describe opposing influences that control …
The effects of narrowbands of visible light upon some skin disorders: a review.
Greaves AJ. Greaves AJ. Int J Cosmet Sci. 2016 Aug;38(4):325-45. doi: 10.1111/ics.12305. Epub 2016 Feb 12. Int J Cosmet Sci. 2016. PMID: 26708128 Review.
This review article focuses on clinical studies published in the fields of (i) photorejuvenation and anti-ageing, (ii) oily or acne-prone skin and related imperfections, (iii) skin pigmentation and lightening, (iv) dandruff and other Malassezia-related skin disorders and (v) prev …
This review article focuses on clinical studies published in the fields of (i) photorejuvenation and anti-ageing, (ii) oily or acne-prone sk …
Nanomechanical properties of human skin and introduction of a novel hair indenter.
Álvarez-Asencio R, Wallqvist V, Kjellin M, Rutland MW, Camacho A, Nordgren N, Luengo GS. Álvarez-Asencio R, et al. J Mech Behav Biomed Mater. 2016 Feb;54:185-93. doi: 10.1016/j.jmbbm.2015.09.014. Epub 2015 Sep 21. J Mech Behav Biomed Mater. 2016. PMID: 26469630
Force measurements utilizing the single hair fiber probe supported the nanoindentation results of the stratum corneum being highly elastic at the nanoscale, but revealed that the lateral scale of the deformation determines the effective elastic modulus.This result resolves …
Force measurements utilizing the single hair fiber probe supported the nanoindentation results of the stratum corneum being highly el …
Understanding breakage in curly hair.
Camacho-Bragado GA, Balooch G, Dixon-Parks F, Porter C, Bryant H. Camacho-Bragado GA, et al. Br J Dermatol. 2015 Jul;173 Suppl 2:10-6. doi: 10.1111/bjd.13241. Br J Dermatol. 2015. PMID: 26207659
BACKGROUND: In 2005, the L'Oreal Institute for hair and skin research carried out a multiethnic study to investigate hair breakage in women residing in the U.S.A. ...OBJECTIVE: To investigate crack propagation and fracture mechanisms in African-American hair. …
BACKGROUND: In 2005, the L'Oreal Institute for hair and skin research carried out a multiethnic study to investigate hair brea …
Human systemic exposure to [14C]-paraphenylenediamine-containing oxidative hair dyes: Absorption, kinetics, metabolism, excretion and safety assessment.
Nohynek GJ, Skare JA, Meuling WJA, Wehmeyer KR, de Bie ATHJ, Vaes WHJ, Dufour EK, Fautz R, Steiling W, Bramante M, Toutain H. Nohynek GJ, et al. Food Chem Toxicol. 2015 Jul;81:71-80. doi: 10.1016/j.fct.2015.04.003. Epub 2015 Apr 3. Food Chem Toxicol. 2015. PMID: 25846501
Systemic exposure was measured in humans after hair dyeing with oxidative hair dyes containing 2.0% (A) or 1.0% (B) [(14)C]-p-phenylenediamine (PPD). Hair was dyed, rinsed, dried, clipped and shaved; blood and urine samples were collected for 48 hours after a …
Systemic exposure was measured in humans after hair dyeing with oxidative hair dyes containing 2.0% (A) or 1.0% (B) [(14)C]-p- …
Analysing the movement of a hair swatch using video and image analysis: a promising technique for exploring the dynamic properties of hair.
Galliano A, Lheur M, Santoprete R. Galliano A, et al. Int J Cosmet Sci. 2015 Feb;37(1):56-62. doi: 10.1111/ics.12168. Epub 2014 Nov 16. Int J Cosmet Sci. 2015. PMID: 25297953
OBJECTIVE: The aim of this paper is to present a new instrumental evaluation method of hair movement in order to propose new criteria in the performances of hair products. The in vitro evaluation of hair swatches movement allows us to better understand the ph …
OBJECTIVE: The aim of this paper is to present a new instrumental evaluation method of hair movement in order to propose new criteria …
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