A microcurrent facial starts off like any other classic treatment: Double cleanse, exfoliate, steam, extractions, and massage—then it’s time to whip out the microcurrent device. These can vary depending on the brand; some are short and narrow, while other probes are round and cylindrical. Microcurrents always need a water-based conductive gel to work, so your esthetician will begin by applying a jelly-like goop on areas you’d like to tighten. Finally, they will start gliding the device across your skin: “Starting at the neck and finishing on the forehead, an electrical probe...