... waves adjustable intensity(high,medium,low)For all kinds of skinsFor face,eyes,foreheadFunctions:Whitening,keep moisturing,improve blood ... ,balance skins and enhance blood circulation,prevent the formation of melanin pigment,rededy acne and dermatitis628nm red light:exitement525nm ... the mixed skin. It can improve the function of alternating use of cells and oxygen and activate the micro-circulation ...