Effect of PCA SKIN Intensive Brightening Treatment on Skin Hydration

	Study	Method	Effect	Description
	Efficacy and Tolerability of a Skin Brightening/Anti-Aging Cosmeceutical Containing Retinol 0.5%, Niacinamide, Hexylresorcinol, and Resveratrol	Self-assessment	⇧	Sign in to read for free
Efficacy and Tolerability of a Skin Brightening/Anti-Aging Cosmeceutical Containing Retinol 0.5%, Niacinamide, Hexylresorcinol, and Resveratrol
Sign in to read for free

A double-blind randomised controlled trial - the gold standard A human study that doesn't meet the gold standard A case report or a study conducted on animals, tissues, or cells

	Study	Year	Effect	Description
	Efficacy and Tolerability of a Skin Brightening/Anti-Aging Cosmeceutical Containing Retinol 0.5%, Niacinamide, Hexylresorcinol, and Resveratrol	2016	🠫	Sign in to read for free
Efficacy and Tolerability of a Skin Brightening/Anti-Aging Cosmeceutical Containing Retinol 0.5%, Niacinamide, Hexylresorcinol, and Resveratrol
Sign in to read for free

A double-blind randomised controlled trial - the gold standard A human study that doesn't meet the gold standard A case report or a study conducted on animals, tissues, or cells

Effect of PCA SKIN Intensive Brightening Treatment on Skin Hydration

Efficacy and Tolerability of a Skin Brightening/Anti-Aging Cosmeceutical Containing Retinol 0.5%, Niacinamide, Hexylresorcinol, and Resveratrol (2016)