Would losing a significant amount of weight after BBL reverse the effects?

This is an excellent question and the answer is as follows:Transplanted fat always behaves as if it were in its ORIGINAL (not transplanted) location.  Thus, if you tend to lose weight from the area where the fat was harvested then you will likely lose the benefit of the enhancement.  Fat transplant is an awesome idea but we have not yet unlocked its secrets. A promising horizon was the concomitant use of stem cells, but this has now been removed from the marketplace,The only reliable way to augment the buttocks is with implants.