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Optimization and Validation of a Fast UPLC Method for Simultaneous Determination of Hydroquinone, Kojic Acid, Octinoxate, Avobenzone, BHA, and BHT.
Galimany-Rovira F, Pérez-Lozano P, García-Montoya E, Miñarro-Carmona M, Ticó-Grau JR, Suñé-Negre JM. Galimany-Rovira F, et al. J AOAC Int. 2017 Jan 1;100(1):1-7. doi: 10.5740/jaoacint.16-0104. Epub 2016 Sep 29. J AOAC Int. 2017. PMID: 27874826
A previously published HPLC method for the simultaneous determination of six major components (hydroquinone, kojic acid, octinoxate, avobenzone, butylated hydroxyanisole, and butylated hydroxytoluene) in a skin-whitening cream was transferred and optimized to an ult …
A previously published HPLC method for the simultaneous determination of six major components (hydroquinone, kojic acid, octinoxat …
Assessing retinol stability in a hydroquinone 4%/retinol 0.3% cream in the presence of antioxidants and sunscreen under simulated-use conditions: a pilot study.
Akhavan A, Levitt J. Akhavan A, et al. Clin Ther. 2008 Mar;30(3):543-7. doi: 10.1016/j.clinthera.2008.03.010. Clin Ther. 2008. PMID: 18405792
OBJECTIVE: We aimed to assess the stability of retinol under simulated patient application conditions in a commercially available hydroquinone 4% cream containing retinol 0.3%, avobenzone (ultraviolet-A sunscreen), octinoxate (ultraviolet-B sunscreen), vitamins C an …
OBJECTIVE: We aimed to assess the stability of retinol under simulated patient application conditions in a commercially available hydroqu …
Sun protection strength of a hydroquinone 4%/retinol 0.3% preparation containing sunscreens.
Stanfield JW, Feldman SR, Levitt J. Stanfield JW, et al. J Drugs Dermatol. 2006 Apr;5(4):321-4. J Drugs Dermatol. 2006. PMID: 16673798 Clinical Trial.
METHODS: We tested the sun protection factor of a hydroquinone formulation (Lustra-Ultra, TaroPharma, Hawthorne, NY) containing avobenzone 3%, and octinoxate 7.5% according to the FDA Sunscreen Monograph on 20 volunteer subjects. ...The formulation exhibited stronge …
METHODS: We tested the sun protection factor of a hydroquinone formulation (Lustra-Ultra, TaroPharma, Hawthorne, NY) containing avobe …
Evaluation of a prescription strength 4% hydroquinone/10% L-ascorbic acid treatment system for normal to oily skin.
Bruce S, Watson J. Bruce S, et al. J Drugs Dermatol. 2011 Dec;10(12):1455-61. J Drugs Dermatol. 2011. PMID: 22134571 Clinical Trial.
INTRODUCTION: A 4% hydroquinone/10% L-ascorbic acid treatment system aims to treat early signs of photodamage in normal to oily skin and help prevent further photodamage. The system also contains vitamin E, witch hazel, aloe barbadensis leaf juice, penetration-enhancing in …
INTRODUCTION: A 4% hydroquinone/10% L-ascorbic acid treatment system aims to treat early signs of photodamage in normal to oily skin …