facial led therapy machine face mask light with 7 colors pn dynamic beauty equipment facial spa skin rejuvenation anti-wrinkle acne removal

led offer a totally natural, non-ablative method for skin rejuvenation. the light from the led interacts with cells and stimulates them to produce collagen and elastin bio light therapy. studies confirm that the same led energy can be used to inhibit collagen formation, which can be helpful in the treatment of scars. by manipulating the wavelengths, cells can be turned on and off. yellow light are used for p-rejuvenation. blue light are used in the treatment of acne. red light are used for p dynamic therapy, green light effective reduce melanin cell,decreased pigment formation..syi