... frequency is not concerned with melanin. So, the E-Light treatment can get good result on the soft or thin hair ... so as to decrease the risk caused by traditional IPL treatment Application1) Hai removal 2) Acne clearance3) Skin rejuvenation4) ... ² OptionalAmount of Pulse1-6, adjustableInterval of Pulse1-99ms, adjustableSub-pulse Width0.1-9.9ms,adjustableEmitting cycle1-4s, adjustableSkin Cooling-4 ...