Makeup brush cleaning tips: Avoiding breakout-causing bacteria By fox5dc.com staff FOX 32 Chicago U.S. Published August 7, 2017 1:50 PM CDT Share Copy Link Email Facebook Twitter LinkedIn Reddit Published August 7, 2017 1:50 PM CDT WASHINGTON - If you are dealing with breakouts, you'll want to make sure you're cleaning your makeup brushes regularly as they could be teeming with bacteria.