PDT Photon dynamical is currently the world's top scientific and technological achievements. It adopts a narrow spectrum of red, blue and yellow ribbon light wave launched by the gene chip imported from USA. Irradiate the skin directly. Restore the nature vitality of skin cells. It is a safe. non-invasive cosmetic technology. Painless. non-invasive, no adverse reaction and side effect. and is respected as the green approach to beauty by the international medical WHO.