PDT machine 1.reduce acne wrinkle 2.PDT LED therapy 3.color light of PDT LED 4.PDT LED machine with CE PDT machine 1.General introduction Praised as “magic light”, photodynamic is a biological active cold light, and not produces high heat. It applies low-energy and unique optical technology to skin care and treatment, natural and gentle, has prominent effects, low fatalness and have no side effect ...