An apparatus for treating a skin surface of a patient includes a probe having an opening to be in contact with the skin surface. The probe includes an electrode disposed within the probe and connected to a coaxial cable, the electrode configured to receive radio frequency power and to provide a glow discharge when a vacuum is provided to the probe. A shield is provided between the skin surface and the probe, whereby the shield includes a plurality of holes, and whereby ions of a plasma discharge pass through the holes of the shield and impact the skin surface.
