... 4. CE 5. OEM, ODM Factory Supply 7 Color PDT facial Rejuvenation Machine for Sale Product Information1. IntroductionAs the most advanced technology, ... injury and discomfort on the skin, which is not available for traditional skin care productsRed light: The red light absorbed ... roughness dark tone of facial skin Yellow light:Supply energy for skin cells,promote gland effect,assit digestion,cure skin ...