... cold treatment, thermal treatment, facial steamer, suck-glide massage, ultrasonic, cold light amplifying lamp, wood’s lamp,microdermabration, slip ... circulation, Absorb nutrients, expulse the dirt, sterilization,Promote wound healing.,Elimination face spot, Acne and treatment black spot. ... appears but no bleeding a scar left. 5. Ultrasonic Treatments:Ultrasonic is a over 20,000 HZ and inaudible ...