If successful, BBL surgery lifts and enlarges the buttocks to create a beautiful, round firm shape. However, the quality of the skin on the buttocks itself does not change at all with a BBL. The only reason there is firmness after a BBL is because the skin has become taut due to the outward pressure of the added fat and - in some cases - the removal of excess skin. So if skin was thin and weak before a BBL, after some time (3-4 years)…