Fraxel
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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.
Complications observed in a study of 961 fractional laser treatments included acne and herpes outbreaks.[1] There have also been anecdotal negative accounts of bad scarring and hyperpigmentation following the use of Fraxel lasers.[2]