professional led face light therapy 7 color pdt pn treatment facial skin tightening whitening rejuvenation beauty machine

led offer a totally natural, non-ablative method for skin rejuvenation. the light from the led interacts with cells and stimulates them to produce new collagen and elastin bio light therapy. studies confirm that the same led energy can be used to inhibit collagen formation, by manipulating the wavelengths, cells can be turned on and off. to improve symptoms :aging, loosening skin, big pore and slender wrinkles.to improve pigmentary pathological changes, freckle, sunburn and senile plaques.syi