My 13 year old son has been dealing with acne for the past 2 years. We tried every over the counter treatment possible. Some worked for a while then made things worse. Finally gave up and took him to the dermatologist. He did different prescribed treatment for a year. Once again they would work for a bit then things would get worse. I was at my wits end when he came in to see one day at work. The nurse I work with saw his face. The next day she told me what she did for her sons skin(learned 30 years earlier from 95 year old woman)!!!! 1. Wash face w/mild soap(use neutrogena pump on my son) 2. Use vinegar as astringent 3. Put real mayonnaise on like mask leave on 30 minutes to an hour. 4. Wash off w/mild soap. I thought she was crazy but I was to the point anything was worth a try. It worked!!!!!!!!!!! Took about two weeks using every night. Now we plan to use it once a week for preventive measures. However I need advise on how to get rid of the red scarring that is left if anyone has any advise I would love to hear it. P.S. My sons acne was one of the worst cases I have ever seen. Dermatologist diagnosed my son with three kinds of acne.