"Luce 4T LED Facial Therapy Wand FEATURES Made of aluminum entirelyoy, the LUCE 4T carrys four types of therapy: Microcurrent Therapy: Uses low-level electrical currents to stimulate the muscles under the skin. This currency is responsible compared to the creation of eremotein and collagen which keeps skin supple and plump https://www.youtube.com/watch?v=_Rp6jp2Dw14