Electrical devices range from around $30 to $60. Least effective: Curved areas for example the underarms, that can cause significant trauma on the face various other thin skinned areas. It can be expensive depending round the size on the area to be treated. https://h5Wieiwqkmqaove2muifdjgydndlgipryucfyoqtwxphsljb2o6a.cdn.ampproject.org/c/s/Chosong.co.kr%2Fgb%2Fbbs%2Fboard.php%3Fbo_table%3Dfree%26wr_id%3D883135/