The Portable Co2 Fractional Laser Machine is offered by us that Targets tissue skin becomes dark and aged before treatment. Use laser to scan and treat target tissue, heat can be transmitted from the superfical skin to the dermis. It is used for skin resurfacing treatment, acne removal. The scar removal, age spots, stretch marks, stains and warts, and with certificate. The Portable Co2 Fractional Laser Machine is a fractional laser, the main medium is carbon dioxide molecules.