Davin Lim, MBBS, FACD - Account Suspended says:Yes, this is not uncommon. I have done a video on YouTube to explain how to roll safely. 1 mm is too aggressive. I think 0.25 to 0.5 mm is the sweet spot for efficacy and safety. Now, how to repair the damage? Take baseline photos. Use a silicone based gel at night. I do use gentle lasers such a...