Human topical research · n=57
Improvement of photoaged facial skin in middle-aged Japanese females by topical retinol (vitamin A alcohol): a vehicle-controlled, double-blind study.
The Journal of dermatological treatment · 2009
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The research, in context.
Selected references that name and examine the linked ingredients. Read each study in context, including its formulation, participants and limitations.
Explore research connections ↗Human topical research · n=44
Prospective, randomized, double-blind assessment of topical bakuchiol and retinol for facial photoageing.
The British journal of dermatology · 2019