"Luce 4T LED Facial Therapy Wand FEATURES Made of aluminum absoluteoy, 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 to the creation of eretiredin and collagen which keeps skin supple and plump LED https://www.reddit.com/r/boxycharm/comments/nc1j84/the_luce_beauty_180_tool_has_been_listed_before/