A few of us at The Huffington Post rely heavily on face cleansing brushes to remove a day’s worth of makeup and environmental debris. They’re lifesavers when you feel too tired to wash your face before bed.

But there’s been a couple of instances when we’ve noticed that our freshly-buffed faces started to break out or turn really red. Curious as to whether the face cleansing brush was doing more harm than good, we asked