When’s the last time you cleaned your makeup brushes? If the answer starts with “umm…” or is simply “never,” you need to watch this video right now. (and then get thee to a sink) Because in reality, you should be thoroughly cleaning all your brushes and tools at least once a month to prevent bacteria buildup that can cause infections or irritate your skin, lips and eyes.Because I’m Addicted blogger Geri Hirsch shared with our friends at The Estée Edit the steps for properly cleaning makeup brushes. It’s so easy to do, you have no excuse to blow it off from now on!Take a look at how: