[1] The term "cryolipolysis" is often used interchangeably with brand names like CoolSculpting, which is one of the most well-known implementations of this technology.
A 2015 systematic review of 19 studies found average reductions in skinfold thickness ranging from 10.3% to 28.5%, with high levels of patient satisfaction.
[5] A 2023 review of 18 studies reported average reductions in fat thickness of 2.0 to 5.1 mm as measured by ultrasound, concluding that the procedure is safe and modestly effective, though the quality of available data was considered low.
[2] Common side effects include redness (erythema), numbness, swelling, bruising, and mild pain, typically resolving within weeks.
[2][5] Rare but more serious complications include paradoxical adipose hyperplasia (PAH), a reaction where fat in the treated area enlarges instead of reducing.