... Seven Colors Photology Therapy Facial LED PDT (Photon Dynamic) for Acne Treatment, Skin whitening, and Wrinkle removalProduct Information1. IntroductionAs ... skin rejuvenation, whitening, speckle and vascular removing, reducing acne and recovering the injured skin.Blue light: The ... proper sequence,it can acceler ateme tabolism effectively. Laser light:Penetrate deep layer of skin,Accelerate active ...