... used in the skin wound healing after trauma treatment. 650NM red light therpayAdaptation sections:Dermatology: herpes zoster, alopecia areata, ulcers, ... the body to produce pain, the serotonin content decreased after red light irradiation, thus analgesic effect. Indications: furuncle, carbuncle, erysipelas, ... output can be reach to the watt level, and the price is only for laser price 1/3 l / 5. And ...