Now you can purchase Brush Heads in convenient packs of two. These Twin-Packs are valued at $50, so you'll save $6 for every set you purchase. A great starting point for sensitive to normal skin types. Also ideal for use on the decollete and body. An all-around brush head for most skin types. All Clarisonic brush heads are made from a nonporous, soft elastomeric material, resistant to bacterial attachment. All brush heads are precision-designed to oscillate bi-directionally at a sonic frequency. We recommend that you remove the brush head weekly and clean with soap and warm water. Replace your Clarisonic brush head every 90 days. To mount the brush head, align with the 3 notches with the 3 pins on the handle, then push down and twist clockwise. Made in USA The Clarisonic Pedi Device is precision-engineered with an entirely new motor, running at a powerful "foot frequency" that safely exfoliates rough, dry foot skin. Our facial cleansing devices run at a gentler "face frequency," and aren't designed to drive the Pedi Smoothing Disc and Wet/Dry Buffing Brush Head.