Posts by Christopher K. Patronella, M.D.

Even more reasons to use a retinoid

Few skin care ingredients have been as extensively studied—and proven—as retinoids, and these vitamin A derivatives have skin benefits that range from improvement in visible signs of aging to reduction in acne.

The brainchild of dermatologist Albert Kligman, MD, tretinoin (the active ingredient in Retin-A) was first introduced as an acne treatment in the early 1970s. But when researchers noticed improved skin firmness and a reduction in fine lines and wrinkles in acne study participants, the anti-aging chapter in the retinoid story began.

The primary effect of…

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