Polymethylmethacrylate (PMMA) fillers consist of collagen and very little balls that remain beneath your skin soon after your Health care service provider injects them. The balls give the skin volume and hold it firm. Bellafill® is 1 type of PMMA filler. Dermal fillers are gel-like substances that are injected https://lucianob603pyf6.mysticwiki.com/user