... skin wound healing after trauma treatment. 650NM red light therpayAdaptation sections:Dermatology: herpes zoster, alopecia areata, ulcers ... free radicals while diseases attack, red light emitted by the red medical instrument make the superoxide dismutase (SOD) ... body to produce pain, the serotonin content decreased after red light irradiation, thus analgesic effect. Indications: furuncle, carbuncle, ...