... 75mm--Clinical Use 3.00mm--Physician Use I Used for skin problems: Wrinkles, Aged skin, Acne scars ... delivery to the skin, the active ingredient required for optimal absorption of position; the unique nano-compounding ... symptomatic and purposeful, with dramatic effect, the product composition penetration rate than the general beauty products ... the skin Derma skin roller New model for eyelid,lid MP-1114