professional 4 colors skin care pdt led light removal facial whitening rejuvenation tightening beauty salon machine equipment

red wavelength:625-660nm rejuvenate skin promote absorption activate cells, lymphatic drainage improve skin elasticity green wavelength:500 to 565nm calm accelerate the metabolism of pigment improve sensitive skin soothe and repair. using cold light of different wavelengths with corresponding products to stimulate blood circulation through light waves, activate cell components, and accelerate epidermal metabolism, so that the treatment effect can achieve significant results. rejuvenate skin, promote absorption, activate cells, lymphatic drainage, improve skin elasticity. rejuvenate skin, promote absorption, activate cells, lymphatic drainage, improve skin elasticity. for calming allergic skin, repairingacne, suppressing acne bacteria..syi