"Luce 4T LED Facial Therapy Wand FEATURES Made of aluminum entirelyoy, the LUCE 4T wears four types of therapy: Microcurrent Therapy: Uses low-level electrical currents to stimulate the muscles under the skin. This currency is responsible for the purpose of the creation of eremotein and collagen which keeps skin supple https://www.youtube.com/channel/UCUur2WxK2zwQEansOPSG3cQ?view_as=subscriber