Using this makeup brush cleaner is a breeze. First, pour some cleaning solution into the machine. Then, place your dirty makeup brushes into the solution inside the cleaner. Plug the machine into a USB power source, and let it do its job. In just a short time, your brushes will be clean. When using, make sure the power source is stable to avoid any interruptions. After each use, unplug the machine from the power source. To maintain it well, dry the machine thoroughly after cleaning to prevent rust or damage. Also, store it in a cool and dry place.