... beauty equipment,Light wave : 200-900 nm,red,yellow,green,blue,purple,laser,1-30hz Energy ... technology of photon, deposition of pigmen 1. Red Light at 640 nm:Increases collagen production fivefold ... light:Red and blue light the dual band, it combine both the effectiveness of light therapy, espencially ... skin. Light wave : 200-900 nmColor : red,yellow,green,blue,purple,laserFrequency :1-30hzEnergy : 20 ...