Product Review: Which OTC Retinol Treatment is the Best?


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Above: The mechanism of action of retinoids. Source: Nature. Editor’s Note:  There is an updated version of this post on FutureDerm.com, available on June 3, 2011. Retinoids are one of the most effective ingredients in skin care products today, running the gamut from increasing collagen production to decreasing the appearance of wrinkles. Although this 2001 study in the journal Clinics in Dermatology found over-the-counter retinol is 20 times less potent than prescription retinoic acid in the skin, over-the-counter retinol use is... read more