... tightenning and wrinke removal IPL (Intense Pulsed Light) is a kind of light with high energy and broad wavelength. According ... temperature occurs to destroy follicles and hair shaft and prevent regrowth of new hair. Four filters interchangeable do not ... control system, cooling system,pulsed flashlamp,reflector /filter,sapphire light guide crystal etc.power supply, microcomputer system ,and cooling ...