"Luce 4T LED Facial Therapy Wand FEATURES Made of aluminum globaloy, the LUCE 4T employs four types of therapy: Microcurrent Therapy: Uses low-level electrical currents to stimulate the muscles under the skin. This currency is responsible with respect to the creation of eremotein and collagen which keeps skin supple and https://www.youtube.com/watch?v=lPNRgv8iec4