... dead cell from the tissue, stimulating secretion of fibroblast growth factor, so that the red light could repair impaired skin, ... The treatment way is easy, soft, comfortable and effective.II.Yellow light for Skin RejuvenationHigh purity yellow light, which ... improve effectively to microcirculation, adjusting cytoactive, desalting spot, inhibiting growth of melanin, removal of freckle, so that it could ...