Retinol is one of the most well-known skin care ingredients on the market and is an “over the counter” version of retinoids available by prescription. Retinol is not the same as prescription retinoids, which are more potent, but retinol is still the strongest “over the counter” version available, compared to retinaldehyde and retinyl palmate. Retinol (Vitamin A) is a powerful ingredient that has several functions in the skin: It restores cell functions, reduces wrinkles, tightens and acts as an antioxidant in the skin. In this way, it improves a number of visible signs of aging.

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