... which is excited by photons with biochemistry process led pdt skin care machine pdt light therapy systems L960The treatment range 1. ... 2. Improvement: Coarse Pore, Flabby Skin, thin Wrinkle, Gray complexion etc. 3. Improve facial nerve anaesthesia, Relieve pressure, and improve ... or dead cell, then to alleviate the symptom of aging skin, large pore, fine wrinkle, and muddy complexion. Mixture ...