Electrolysis is a method of removing individual hairs by destroying the growth from the root of the hair with heat energy. A thin wire is inserted into each hair follicle in the area of treatment, then an electrical current is sent down the wire which heats up and cauterizes the hair follicle as well as the root itself. Destroying both the hair at the source of its nourishment. This slows down & eventually can stop the hair from coming back. Individual results may vary.