Vaser Liposuction works by removing small deposits of fat around muscles to improve aesthetic appearance. Vaser liposuction is the most advanced liposuction technique for sculpting, etching, and defining. Optimally, patients who are treated by Vaser w/ Option for High Definition Liposuction are in good physical condition and are looking for a contouring or body sculpting as opposed to using liposuction as a way to lose weight.