Makeup brush cleaning tips: Avoiding breakout-causing bacteria By fox5dc.com staff FOX 2 Detroit Health Published August 7, 2017 2:12 PM EDT Share Copy Link Email Facebook Twitter LinkedIn Reddit Published August 7, 2017 2:12 PM EDT 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.