Photodynamic 1.48 nano-scale genetic biological wave LED cold light sources 2.Red, yellow, blue, red yellow, red ... minutesAnti-inflammation, decrease pain, promote wound healing, postoperative repairFor Wrinkles and whitening Red+Yellow lightTreatment time: 5 minutes/day, acceleration of ... ~ 3 times/week after improvement.Treat acne, while repair damaged skin skin care device KN-7000C