Spa Treatment at Home With our LED Light Therapy Mask, you can book your spa appointment at home without getting into the hassle. This LED light therapy provides complete treatment for various skin conditions only handled professionally at a spa. LED Light Therapy LED Light Therapy Mask has 7 LED colors, each color has a different wavelength which is specifically designed for a specific skin condition. Red light targets aging issues and promotes collagen production. Blue light helps fight the case of blemishes and balances oily skin. Green light tackles pigmentation concerns, reduction of dark spots, and uneven skin tone.