Lightstim for AcneWhich skin type is it good for? Normal Oily Combination Dry Sensitive What it is: An FDA cleared device combining LightStim MultiWave LED light with blue and red wavelengths of therapeutic light energy to treat and control mild to moderate acnerestoring your skins healthy appearance. Solutions for: Acne and blemishes Redness If you want to know more LightStim MultiWave patented technology simultaneously emits multiple wavelengths (colors) of light.