Laser Tattoo removal equipment 1,skin rejuvenation, pore shrinkle 2, pigmentation removal 3, 1 ... expel from sweat gland directly. Pores astringing principle: Spread nanometer-powdered-carbon on face. After it infiltrates into skin pores, laser ... is adopted to explode grain of powdered carbon, in which way, the epidermal dirts and cutin are ...