Acne.org Benzoyl Peroxide is the best BP product I've tried. I used it for about 3 years. The problem that I faced and the reason I stopped using it was because I started getting occasional cystic acne around my chin and jaw line after 2 years of use. The rest of my face was doing quite well. Had very few if any whiteheads and regular zits. I stopped using Benzoyl Peroxide when I moved to France, where it isn't legal over the counter, anywhere in the EU for that matter. I decided I wasn't comfortable using a product that has caused cancer in animals, or stains my clothes, towels, and sheets. Since going off Benz. Peroxide, I haven't had any cystic acne, but my face is more clogged overall, my forehead isn't as clear as it used to be. I am in the process of searching for an alternative that combats my oily/shiny skin and keeps away whiteheads/small zits.