I have this in the 10% Glycolic acid formulation and I will repurchase it till the end of time. This helped smooth out some of my shallower pitted scars, and as anyone with pitted scars will know, that is pretty damn amazing. It also helps a bit in controlling acne although that is technically not it's main job as an anti-aging product. My skin looked so much smoother and even-toned after using up my first bottle (I'm currently on my third). The glycolic acid in the formula also seems to help minimize my enlarged pores. I'm not sure how this would work on someone without acne-prone skin, but for me it was a game-changer!