CO2 Fractional RF Principle CO2 fractional rf effect principle is 'focal photothermal effect'. Skin tissue has ability to repair itself. The skin was injury by trauma, but it could heal itself. The wound area is too large, the results of repair of scar formation. The wound is small, the skin can completely recover. Fractional las every effect to skin only on one of the small region to generate thermal stimulation, retaining portion of skin is not affected, the role of tissue to the skin to stimulate collagen receipt hyperplasia, and no effect of skin tissue can be used as thermal diffusion region, avoid the possibility of thermal injury and other side effects, and can quickly promote skin healing, reach, and improve scars, skin firming pores purpose. Treatment Perfect skin/whitening/wrinkle removal/acne prevention/facial beauty/for human tissue burning/vaporization and coagulation. Mainly used for local and facial skin, repair skin light aging, improve uneven skin, large pores, rough skin, the skin relaxation phenomena, especially applicable to dispel various scars and wrinkles, acne, tattoo, stains, and pigmentation, as well as on the surface of any part of a variety of moles, warts, acne, skin tag, treatment of hemangioma.