Abstract: A device for distributing, on a surface of a living body, a product containing an active component or forming a cosmetic product, the device comprising a housing and a cartridge, releasably coupled to the housing, wherein: the cartridge comprises an applicator element and a reservoir containing said product and having a movable or deformable wall part for reducing the volume of the reservoir, wherein at least one opening is provided between the reservoir and the applicator element for applying the product to the applicator element by reducing the volume of the reservoir; and the housing comprises at least one light source for radiating light through and/or alongside the cartridge and a drive for driving the movable and/or deformable wall part of the reservoir for reducing the volume of the reservoir.