... --more than 99% with the narrow spectrum red, blue, yellow, green light, which generates heating effect. Heating effect ... and wound healing, lessen scar formation.Blue photodynamic: Visible light penetrates into acne propionic bacteria, rapidly remove pustule, ... quiet, loosen up, successful dredge lymphoid edema.Strong light: Powerful light can effectively reduce the spot, capillaries, wrinkle, improve ...