I have salysilic lactic acid because I am an esthetician and I have never done one, I did not take classes that far, but should I neutraize it with bakingsoda/powder after I put it on. I am thinking about leaving it on for about 2 min. I have a lot of acne scarring. any suggestions? FYI if it matters it is 17% I know thta thanks I do not know why it ended up in this thread I did not pick that topic...thanks