yo i used retin a, along with just about every outher acne product available, and i hated it. my acne got really bad at first, than it cleared up a little but my skin turned soo red and flaked like crazy. the constant peeling of my skin hurt like hell. after several weeks my doc took me off it and i continued to try products. that was like 2 years ago. to this day i still have acne, still see a doc and am really dissapointed with the products on the market.