I started using this years ago before it was popular. There were no celebrity endorsements yet just the doctors that invented it on the infomercial. I don'; really have a big acne problem but occasionally when I'm eating poorly or due to hormonal fluctuations, I'll get a few pimples. I can use Pro Activ before they break through and show. When I feel a pimple forming under the skin, I use the Proactiv and they dry up. When it does finally surface it gets washed off when I use the cleanser and it doesn't leave a scar because the skin hasn't been "popped". I've recommended Proactiv to my friends and family members. The first part of the system is a facial scrub type cleanser. It cleans without drying out the skin. It leaves your skin feeling so fresh and clean. The second part of the system is a toner. It conditions your skin and leaves your face feeling so refreshed. The last part is the moisturizer that is also an acne fighter like the cleanser. You also get a free cleansing mask with your purchase of this system. I use it occasionally when I want to do a deep cleansing.