I am 15 and have quite a bit of acne on my face, so after a year or so of doing Proactiv (which amazing affects wore of after a few months), I decided to ask my doctor for solutions and she gave me Retin-A (0.05%) and Minocycline. I found that the Retin-A wasn't really working at first and having naturally oily skin, didn't have the dry skin I heard talk about, so my doctor bumped up my percentage to 0.1%, which almost immediately gave me dry, flaky skin, which I know is supposed be a part of the process, but I didn't find any changes in my acne, the old was still there, the new still coming in, so I went back to my and got something called Differin XP, which is another topical cream (0.3%) which gave me the same side effects and results as Retin-A, so I have recently stop using it and switched back to Proactiv which seems to be working again for me. I feel this product can work if you can live with the side effect of constant dryness and peeling, since I would normally stop applying it for a week because my face would become so dry, sensitive and red, even with constant mosturizing. Also at the beginning my acne will flared up, but a few weeks later it started to go down a bit