There is a massive billion-dollar industry of anti-cellulite treatments, and Dr. Oz says all of the treatments—from creams and balms to procedures like rolling and smacking—have one thing in common: They don’t really work. “You can’t put a cream on and get inside the fat cell,” he says.

While they may be able to give you a short-term reduction in appearance of cellulite—caused by swelling in blood vessels and tissue—”It doesn’t hold,” Dr. Oz says.