Purelight is a simple yet effective system providing all four types of led therapy for professional facial and body photo rejuvenation for younger fresher healthier skin without painful and expensive procedures red light wavelength 625 plusmn 3 nm can proliferate collagen protein and diminish the appearance of fine lines and wrinkles red light can also tighten and increase firmness of skin and also repair damaged skin an excellent option for skin repairing and anti ageing green light wavele