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