Microcurrent technology is used to help tone the muscles of the face, resulting in a sculpted, glowy appearance, but esthetician Shani Darden warns you to check with your doctor before using this device. Esthetician Nerys Rodriguez says, “[With microcurrent,] the eyes will be lifted, the forehead gets tighter, and you'll see more of an 'awakened' look. It also stimulates collagen.”