Makeup brushes can harbor bacteria and other stuff that is probably not good to put on your skin. Wash them once a month to keep them clean and fresh.
Step One
Run the bristles of the makeup brush under warm running water.Step Two
Apply a small amount of shampoo or antibacterial handsoap to bristles and work into a light lather.
Step Three
Rinse bristles thoroughly under running water. You will notice that the water leaving the brush is tinted from old makeup.
Step Four
Continue rinsing until no color leaves the brush.
Step Five
Allow it to air-dry.