Retinol has long been hailed as a hero in skincare, especially in the anti-aging category. Derived from vitamin A, retinol is part of a family of compounds known as retinoids, and its use in skincare dates back to the 1970s when it was first introduced as an acne treatment. Over time, it became clear that retinol could do much more than address acne; it could also promote smoother, firmer skin, reduce hyperpigmentation, and fight the signs of aging. Today, retinol is a staple ingredient in many over-the-counter and prescription skincare products, with wide-ranging benefits for various skin typ...

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