Abstract: The present invention is directed to a one-piece dosing cap comprising a top wall, side walls defining the top portion of a dosing compartment, and an attaching skirt extending from the base of the side walls, said skirt comprising substantially vertical walls and a stopping portion, characterized in that said dosing cap comprises at least one undercut portion. Preferably, the one-piece dosing cap of the present invention is manufactured by a one-step injection molding process. Also preferably, said cap comprises attachment means for securing, more preferably releasably securing said cap onto the neck of a container. More preferably, said attachment means are achieved by screw threads, which match cooperating screw threads of the container.