The Clarisonic Radiance Brush Head is specifically engineered with extra fine bristles to deliver a luxurious & highly-effective cleansing experience. This unique & patented brush head helps to remove sebum & dullness. Compatible with all Clarisonic facial cleansing devices. Clarisonic Brush Heads are expertly engineered for a specific skin type or skin concern, & are optimally designed to work at the precise frequency of Clarisonic devices. Made with super-soft, ultra quick-drying Du Pont® Tynex® Supersoft Filament, each bristle is uniquely rounded on the end or specifically texturized to provide a gentle & comfortable cleanse.