An electrode especially useful for RF skin tightening procedures is characterized by an active front that is conical in part with the conical surface having a cone angle that is shallower than the corresponding angle in known electrodes. Preferably, the electrode of the invention has a conical section whose surface forms an angle greater than 60 degrees with the longitudinal axis of the electrode, and the outside diameter of the conical section is greater than 50% of the overall outside diameter of the electrode.