... .3 Acnes:allergic acne, acne scar, blackhead, bottle nose.4 Skin Rejuvenation:Face lifting up, smoothing wrinkles and ... and tightening.5 Hair Removal:armpit hair, hairline, beard, whiskers, lip hair, body hair, bikini hair or any other unwanted hair.Main Pricinple2.1 ... wavelength are selectively absorbed by melanin of hair follicles, by which the hair follicles are heated, when the temperature of ...