What it is: An exfoliating brush head for the Clarisonic Skincare Brush. What it does: Harness the revolutionary power of the Clarisonic Skincare System to achieve clear, soft, healthy results. The Clarisonic Replacement Brush Head is perfect for deep facial cleansing, shave preparation, and for use on the décolleté and body. Its purifying bristles are bacteria resistant and should be replaced every three months if used daily. What else you need to know: We cannot guarantee the efficacy, durability, or long term impact on the device itself, of brush heads not engineered by Clarisonic.