Does ultrasound cavitation work for fat removal and is it safe?

Yes it works: Yes bothe internal (very effective) and external (less effective) have been shown to achieve fat destruction. Liposuction or natural elimination by degradation and absorption are required for removal. They are genrally safe when performed by an experienced practioners. However all surgery carries risk and you should be fully informed.

If you mean...: Ultrasonic assisted liposuction, yes it works and is safe in experienced hands. The process involves freeing the fat from fibrous areas such as the back, the male breast, and areas previously suctioned with an ultrasonic probe and then performing conventional liposuction to remove the fat. It has been used for a number of years and is a standard, common technique.