pdt led light photodynamic therapy

pdt led light photodynamic therapy Product Description Blue light treatment principle The blue light destructing bacterium living environment, starts the human body from the somatic cell antiseptic function. The instrument sends out the narrow spectrum blue color visible light with the specific wave length, matching extremely with the acne propionic acid bacillus's light absorption peak. After the acne propionic acid bacillus's metabolite the porphyrin receives the stimulatio