Heal existing blemishes, prevent future breakouts, and recapture a radiant glow in just minutes a day with LightStim for Acne. Used and recommended by estheticians and dermatologists, LightStim's LED light therapy device emits UV-free, beneficial light rays that energize cells and stimulate the body's natural processes. Blue light destroys acne-causing bacteria while Red light increases blood circulation - together, they help to effectively clear existing breakouts and prevent them in the future.