From Clarisonic's Luxe High Performance collection, the Satin Precision brush head is designed to gently cleanse the contoured zones of your face such as your nose, lips and around your eyes. Tapered, extra long bristles deliver optimal results - it cleanses six times better than hands alone. - Suitable for all skin types including mature and dry complexions- Compatible with all Clarisonic facial cleansing devices -Instructions for use: - Align notches with pins on device handle, push down and twist clockwise to attach- For best results, replace brush heads every three months