yes i got scars all over my face from misstreatment trying to treat some textural issues, most practitioners seem to take a aggressive approach which often leads to more damage

This is common, it's PIE or wounding post treatment or acne. In ethic skin cases they are prone to PIH, or skin discoloration. This is why you do differin, retin-a, tretinorin and a konjac albutin cream before any procedure, 1 week before stop. Ethic cases will also need picosure or vascular laser most likely. The body is incredibly slow to heal. When you exfoliate or peel your causing controlled damage ... etc. When you scrape yourself, ... it turns red with inflammation right... , healing process