Photodynamic Therapy device 1,High-energy, high density, Product modules(KN-7000C) ModulesLightTreatment timeEffectFor ... -inflammation, decrease pain, promote wound healing, postoperative repairFor Wrinkles and whitening Red+Yellow lightTreatment time: 5 minutes/day, acceleration of healing by ... , relieve pain, help your wound heal itself, recover after surgery. LED red and blue light