Skin Resurfacing 101: Microneedling vs.. Fractional Laser Tre ..
How it works: Fractional carbon dioxide (CO2) laser resurfacing devices utilize infrared light delivered through a carbon dioxide-filled tube to create microthermal wounds in targeted tissue.. As the light is absorbed by the skin, tissue is vaporized, leading to the removal of aged and damaged skin cells from the outer layer of the treated area..