The main ingredient in Differin Gel is adapalene, a type of retinoid, which treats acne and premature aging from sun exposure. Yahoo Sports ...

A top dermatologist answers all of our answers about Differin Finding an acne medication that actually works is a challenge — and without a dermatologist on hand, the struggle can be even harder. But ...

Good news for acne sufferers: The U.S. Food and Drug Administration has approved an over-the-counter retinoid drug for acne -- the first new active ingredient available without a prescription since ...