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In the most basic terms, retinol is the whole vitamin A molecule, which is one of the best vitamins for your skin. Vitamin A is a potent antioxidant, and works to protect your skin from free radicals, generates cell growth, and repairs damaged cells.
While only your dermatologist can fully answer the question âwhat does retinol do,â making the effort to understand this sometimes-controversial ingredient can help you make a more informed decision about whether it is the right choice for your skin care needs.