Hee Magic Mask use the infrared,  red and blue lights together for different kinds skin problem. Red reduces inflammation and promotes circulation, blue destroys acne-causing bacteria, and infrared accelerates skin recovery. LEDs send these light waves deep into the skin, and in the same way plants use chlorophyll to convert sunlight into plant tissue, LEDs can trigger natural intracellular reactions. the light doesn’t heat the skin, like a tanning bed, so there is no thermal damage. There’s also no burning, like lasers, and no removal of skin, like acid peels, to stimulate re-growth without external damage of any kind, the light does its work on your skin completely painlessly.