Sponges are one of the most useful makeup tools in our arsenal. They are so essential for creating that flawless, airbrush finish that we can’t imagine what people did before the invention of the Beautyblender. But just like makeup brushes, cleaning makeup sponges can get pretty tedious. Unfortunately, you can’t skip this task — unless you like your makeup with a side of bacteria. Yikes. Here are some useful tips for cleaning your makeup sponges so you won’t be forced to use dirty ones ever again.