Okay, I have had really horrible PMS acne ever since I can remember. Like the really deep, bright red, and painful (like can’t sleep on that side of my face blistering white head painful) PMS acne. I’m so glad this came in when it did as I was just starting my period. Let me tell you: I rolled it directly on to my pimple and within MINUTES the redness and puffiness went down. My white head was still there and since it was deep in the skin, it was still painful... BUT the overall appearance of the pimple looked much less like it was going to bust its guts all over my face. I also noticed that after a few days of using it every few hours (even without cleaning my face because the oils are antibacterial) there was no scarring from the hormonal acne! I also tried the serum on the annoying little bumps that don’t hurt and aren’t red. I didn’t see a huge difference in those except that it may have reduced the size a little bit. Overall, I would say this is a great product that works really well to reduce the appearance of acne almost immediately, but doesn’t totally get rid of the pimple until a few days later, which works perfectly fine for me. (: