Retinol is derived from vitamin A and can help prevent or reverse early signs of aging. Often sold over-the-counter in creams and lotions, retinol has many benefits and some side effects as well.
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What you need to know before using retinol on your skin
It promises smoother, firmer, and more youthful-looking skin. You might have seen it in creams, serums, or even eye products.
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