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Sunscreens part 1: Mechanisms and efficacy.
Abdel Azim S, Bainvoll L, Vecerek N, DeLeo VA, Adler BL. Abdel Azim S, et al. J Am Acad Dermatol. 2025 Apr;92(4):677-686. doi: 10.1016/j.jaad.2024.02.065. Epub 2024 May 19. J Am Acad Dermatol. 2025. PMID: 38772426 Review.
Following an overview of sunscreen's efficacy in protecting against sunburn, photocarcinogenesis, photoaging, pigmentary disorders, and idiopathic photodermatoses, we highlight considerations for product use and selection in children and individuals with skin of color....
Following an overview of sunscreen's efficacy in protecting against sunburn, photocarcinogenesis, photoaging, pigmentary disorders, and idio …
Photoprotection beyond ultraviolet radiation: A review of tinted sunscreens.
Lyons AB, Trullas C, Kohli I, Hamzavi IH, Lim HW. Lyons AB, et al. J Am Acad Dermatol. 2021 May;84(5):1393-1397. doi: 10.1016/j.jaad.2020.04.079. Epub 2020 Apr 23. J Am Acad Dermatol. 2021. PMID: 32335182 Review.
Ultraviolet radiation and visible light both have biologic effects on the skin. Visible light can induce erythema in light-skinned individuals and pigmentation in dark-skinned individuals. Broad-spectrum sunscreens protect against …
Ultraviolet radiation and visible light both have biologic effects on the skin. Visible light can induce …
Photoprotection against visible light-induced pigmentation.
Ruvolo E, Fair M, Hutson A, Liebel F. Ruvolo E, et al. Int J Cosmet Sci. 2018 Dec;40(6):589-595. doi: 10.1111/ics.12502. Int J Cosmet Sci. 2018. PMID: 30428143
OBJECTIVE: This paper presents in vivo an in vitro studies demonstrating the induction of pigmentation in human skin by visible light which can be blocked by using formulation containing the correct amount of yellow iron oxide (YIO). ...M …
OBJECTIVE: This paper presents in vivo an in vitro studies demonstrating the induction of pigmentation in human skin by vis …
Impact of Iron-Oxide Containing Formulations Against Visible Light-Induced Skin Pigmentation in Skin of Color Individuals.
Dumbuya H, Grimes PE, Lynch S, Ji K, Brahmachary M, Zheng Q, Bouez C, Wangari-Talbot J. Dumbuya H, et al. J Drugs Dermatol. 2020 Jul 1;19(7):712-717. doi: 10.36849/JDD.2020.5032. J Drugs Dermatol. 2020. PMID: 32726103 Clinical Trial.
In this study, the efficacy of two formulations containing iron oxide was evaluated in preventing visible light-induced pigmentation compared with a non-tinted mineral SPF 50+ sunscreen. Expert grading and colorimetry demonstrated that the ir …
In this study, the efficacy of two formulations containing iron oxide was evaluated in preventing visible light- …
Photoprotection Efficacy of Sun Protection Factor and Iron Oxide Formulations in Diverse Skin With Melasma and Photodamage.
Grimes PE, Paturi J, Chen Y, Wangari-Olivero J, Dumbuya H, Yan X, Lynch S, Zheng Q. Grimes PE, et al. J Drugs Dermatol. 2025 Jul 1;24(7):662-667. doi: 10.36849/JDD.9240. J Drugs Dermatol. 2025. PMID: 40627587
Visible light (400-700nm) comprises 45% of the sunlight spectrum and can induce both immediate and persistent skin darkening, as well as worsen dyschromia, especially in the skin of color population. In a recent mini-zone study, we demonstrated that …
Visible light (400-700nm) comprises 45% of the sunlight spectrum and can induce both immediate and persistent skin dark …
Cutaneous interaction with visible light: What do we know?
Cohen L, Brodsky MA, Zubair R, Kohli I, Hamzavi IH, Sadeghpour M. Cohen L, et al. J Am Acad Dermatol. 2023 Sep;89(3):560-568. doi: 10.1016/j.jaad.2020.03.115. Epub 2020 Apr 11. J Am Acad Dermatol. 2023. PMID: 32289393 Review.
Visible light has been used therapeutically in dermatology for years for a variety of cosmetic and medical indications, including skin rejuvenation and the treatment of inflammatory and neoplastic conditions, among others. ...However, recent literature has de …
Visible light has been used therapeutically in dermatology for years for a variety of cosmetic and medical indications, includ …
Photoprotection for all: Current gaps and opportunities.
Rigel DS, Lim HW, Draelos ZD, Weber TM, Taylor SC. Rigel DS, et al. J Am Acad Dermatol. 2022 Mar;86(3S):S18-S26. doi: 10.1016/j.jaad.2021.12.023. Epub 2021 Dec 20. J Am Acad Dermatol. 2022. PMID: 34942298
To date, the focus of photoprotection guidelines has been to prevent sunburn and DNA damage induced by UV radiation, both UVB and UVA; however, several recent studies have shown that visible light also generates reactive oxygen and nitrogen species that can contribu …
To date, the focus of photoprotection guidelines has been to prevent sunburn and DNA damage induced by UV radiation, both UVB and UVA; howev …
A novel method for evaluating sun visible light protection factor and pigmentation protection factor of sunscreens.
Schalka S, de Paula Corrêa M, Sawada LY, Canale CC, de Andrade TN. Schalka S, et al. Clin Cosmet Investig Dermatol. 2019 Aug 28;12:605-616. doi: 10.2147/CCID.S207256. eCollection 2019. Clin Cosmet Investig Dermatol. 2019. PMID: 31695466 Free PMC article.
INTRODUCTION: The role of visible light (VL) in the process of skin pigmentation by solar radiation has been demonstrated. Sunscreens with the presence of pigments, particularly iron oxide (IO), have a greater protective effect against VL …
INTRODUCTION: The role of visible light (VL) in the process of skin pigmentation by solar radiation has been dem …
Attitudes on, Practices, and Recommendations for Visible Light Protection Amongst Dermatology Practitioners.
Azim SA, Whiting C, Friedman AJ. Azim SA, et al. J Drugs Dermatol. 2024 Nov 1;23(11):965-971. doi: 10.36849/JDD.8159. J Drugs Dermatol. 2024. PMID: 39496128
BACKGROUND: Iron oxides, antioxidants, and pigmentary titanium dioxide are sunscreen additive ingredients that enhance visible light protection, reduce associated hyperpigmentation, and protect against certain photosensitive dermatoses There are currently no …
BACKGROUND: Iron oxides, antioxidants, and pigmentary titanium dioxide are sunscreen additive ingredients that enhance visible …
Iron Oxides in Tinted Sunscreen for Hyperpigmentation: A Product Analysis and Literature Review.
Doan V, Rustad AM, Akuamoah J, Sulejmani P, Tran JM, Krueger L. Doan V, et al. J Drugs Dermatol. 2026 May 1;25(5):440-443. doi: 10.36849/JDD.9919. J Drugs Dermatol. 2026. PMID: 42081626 Review.
OBJECTIVES: To evaluate the role of iron oxide in tinted sunscreens for hyperpigmentation and assess commercial sunscreen product labeling regarding iron oxide content. ...RESULTS: Literature supports that iron oxide-containing sunscreens …
OBJECTIVES: To evaluate the role of iron oxide in tinted sunscreens for hyperpigmentation and assess commercial sunscreen prod …
17 results