I have some minor acne scarring and hyper pigmentation that I hope to get rid of. The treatment was uncomfortable but the nurse told me up front to expect some down time and that I may have swelling and redness for a few days. She was correct, but after a week my skin definitely showed improvement. I was told that I need at least 3 or 4 treatments and that full results will not be visible for about 6 months. So far, I am very happy and look forward to the final result 6 months from now.