fraxel fraxel fraxel laser treatment is a line of lasers developed by reliant technologies in 2004. it was developed from a us patent licensed from the wellman center for photomedicine. r. rox anderson was the inventor. fraxel lasers cause fractional photothermolysis for skin resurfacing. doctor performs fraxel laser procedure complications observed in a study of 961 fractional laser treatments included acne and herpes outbreaks. there have also been anecdotal negative accounts of bad scarring and hyperpigmentation following the use of fraxel lasers. treatment purposes fraxel laser is used primarily to rejuvenate skin due to its collagen boosting qualities. it is used to treat hyperpigmentation, dark spots, and superficial signs of aging such as fine lines and wrinkles, as well as acne scarring.