... , speeding up on exporting waste products or dead cell from the tissue, stimulating secretion of fibroblast growth factor, so ... the red light could repair impaired skin, improve fine wrinkle, recover skin flexibility, improve dark complexion, make skin soft, moist, smooth.Futhermore, the ... , sterilization, so that it can remove the acne from the skin as well as improve the scar.Simultaneously, the blue ...