... -aging, scar removal 4.OEM LED PDT skin beauty machine (CE approval) How it worksThe reaction of photo-dynamic is driven ... administration of a photosensitizes, which are excited by photons with chemical and biologic processes. The Photodynamic Therapy (PDT) ... shaper: through consistently wavelength, utilized FARADHIC(20HZ) wave ratio with the laser light, shrink pores, removal of dark circles, ...