Place of Origin : Beijing,China  
                        Delivery Time : 3-5 Working Days
                                 
 
 
 
 Multifunction Mini Foldable Photon LED Skin Rejuvenation Beauty Machine
 
 
 
 Description:
 
 
 
 Endogenous photosensitive material and exogenous photosensitive material in biological tissue are irradiated by corresponding wavelength and absorb the light, then they are changed from ground state to excited state. Because of instability of photosensitive materials in excited state, they can go back ground state with releasing energy. A large of active oxygen will be introduced in this p