... Acne Treatment, Dark Circles, Pigment Removal, Skin Rejuvenation, Skin Tightening, Whitening, Wrinkle Remover 1. Theory of operatingBased on the advanced patent technology ... circles, pigment removal, skin tightening, skin whitening, skin care, wrinkle removal, skin rejuvenation, complex improvement, anti-aging, speckle removal and lift-up. Speed ...