The apparatus and method according to the invention comprise a controller to form a control signal, which controller is arranged to receive pressure data on the CR system, and into which controller pressure reference data is set. Here, a current control section formed of a resistor and a capacitor that are connected in parallel with each other is inserted in at least one of a current path that connects the node A and the stepped-up voltage VCP application terminal and a current path that connects the node A and the ground terminal. 0, and a particulate skin care material including a particulate material having a particle size in the range of about 1 micron to about 75 microns.