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The two are often believed to be interchangeable, but the main difference is that retinol is eventually converted into retinoic acid. Retinol is a natural form of vitamin A, while Retin-A is derived from retinoic acid, a synthetic derivative of vitamin A, and considered pharmaceutical.
Retinol is the animal form of vitamin A. It is fat-soluble and helps keep vision sharp and bones strong. Other forms of vitamin A include retinal, retinoic acid and retinyl esters, but retinol is the most usable.All version of vitamin A together are known as retinoids.alk into any pharmacy or beauty department and you will find products with retinol. It is praised for its anti-aging abilities, and the positive benefits it has to offer your skin. Here is everything you need to know to understand retinol, its benefits and its uses.