The present invention relates to a manual device for shaping the body which makes it possible, during its passage on the skin, to enter the active principles of a cosmetic slimming biased by an electrolysis current. It is composed of a housing 1, provided at the bottom of a conductive sole 2. When the user (her) passes over the zone to be treated, the conductive sole 2 is an electric current which is higher and the same polarity as the product which, by repulsion caused to penetrate deeply into the skin. The device according to the invention is particularly intended to combat the effects of cellulite localized and refine the silhouette.