... , tighten skin, face promotion, Skin rejuvenation3.Age spots and blemishes, acne and speckle treatment: blain acne, scabby acne, allergic acne, ... in many countries to resurface acne scars and post-traumatic scars of the face and body.ADVANTAGES1. RF driving tube, no ... to 100mj is optional for each dot.Cooling systemWater and wind cooling systemLaser apparatusSealed off laser device stimulated by ...