Yes, it is an effective way to remove fat and it works on the principle of cavitation. There are many different types of machines and technologies that are used for fat removal and body contouring, including cavitation machines, radiofrequency machines, and cryolipolysis machines, among others.
Cavitation machines, in particular, use high-frequency ultrasound waves to break down fat cells and reduce the appearance of cellulite. They are considered a non-invasive alternative to surgical procedures such as liposuction.
Radiofrequency machines, on the other hand, use heat energy to target and destroy fat cells, while also tightening the skin in the treatment area. Cryolipolysis machines use controlled cooling to freeze and destroy fat cells, which are then naturally eliminated from the body over time.