"there is no reason to hesitate with this product whatsoever. this product is the bottom line product when treating acne. i have worked as a formulator for a cosmetics company and i am trained chemistry and future physician. this product worked so well for me it has changed my life completely. i have suffered from acne since i was 11. out of all the products i used this is the only one that works. the best results are achieved by using it after you shower and wash your face thoroughly so the medication can penetrate."