31 citations
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February 2019 in “International Journal of Cosmetic Science” Caffeine applied to the scalp can protect hair follicles from UV damage.
April 2019 in “Journal of Investigative Dermatology” Caffeine can protect scalp hair follicles from damage caused by UV radiation.
120 citations
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July 2005 in “Dermatologic surgery” Niacinamide improves aging skin and is safe for use in cosmetics.
69 citations
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June 2017 in “Experimental Biology and Medicine” Advanced human skin models improve drug development and could replace animal testing.
63 citations
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February 2017 in “ACS biomaterials science & engineering” Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.