A Beginner’s Guide to Retinol: What to Know Before Trying the Superstar Ingredient

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Korean Beauty tends to heart-eye emoji a handful of tried-and-true ingredients such as niacinamide, hyaluronic acid, vitamin C, and centella asiatica. You might have noticed one ingredient that doesn’t get quite as much attention, though. That’d be retinol, a derivative of vitamin A.

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