An internally supplied applicator for applying a fluid substance, in particular a cosmetic or pharmaceutical product, having a solid finger support with preferably injection molded fingers and at least one supply conduit for conveying the substance from the side of the finger support oriented away from the fingers to the side of the finger support that is equipped with the fingers; the side of the finger support oriented away from the fingers is adjoined by a (crushable) foil packet that contains a reservoir of the substance that is to be applied so that pressing on the foil packet causes a volume of the substance, which is to be applied, to be dispensed through the supply conduit.