Laser resurfacing in the U.S. is used 88% of the time by women. Patients choose this cosmetic treatment to improve yellow, or grey skin tones, eliminate acne scars or sun spots and age spots, or diminish the appearance of lines and wrinkles. In the quest for eternal youth (or as close as one can reasonably get to it), procedures like fractional CO2 laser resurfacing have risen in popularity. But what exactly does fractional CO2 laser skin resurfacing do? To really understand what C02 laser resurfacing is all about, you need to break down the treatment, and look at what each term tells us about the procedure.