... metabolism, speed up blood circulation, improve skin moisture, THERAPEUTIC THEORYLED with gene-type chip, its purity overpasses 99% of short-spectrum ... forming, then can repair and completely clean freckle. When LED acts on acne, it will be absorbed by the sensitization ... and high power illuminant.TECHNICAL INDEXType of the light source: LED gene-type biologic wave light;Wavelength of outputRed light: ...