Adapalene (the active ingredient in Differin) is the first retinoid approved for over-the-counter use and is now widely ...

However, according to Dr. Ariel Ostad, a cosmetic surgeon based in New York City, products that use a prescription-strength ...

“Retinol is a powerhouse when it comes to achieving visible results,” board-certified dermatologist Dr. Whitney Bowe tells Vogue. “It brightens skin tone, helps clear acne, and boosts skin ...

Other people (such as those looking for acne relief) find success with ... more-potent formula—like moving from a gentle, over-the-counter retinol to a prescription treatment—can trigger ...

Oh, and it's also great for anyone hoping to target acne flare-ups! "Retinol is lauded for its medically and scientifically-proven ability to speed up the skin's cell cycle," he says. "It is one ...

Retinol breaks down to retinoic acid on the skin, which acts like an antioxidant that helps reverse skin damage plus premature signs of aging and acne ... but many over-the-counter retinols ...

the skin product you’re using includes a very high concentration of retinol your skin is getting used to the effects of retinol and may become irritated in response to the high rate of skin cell ...

“Adapalene treats and prevents new acne from forming [by] removing ... “Generally speaking, over-the-counter retinol products are suitable for those with mild issues... [T]hose who need ...