Compatibility: Replacement brush head is compatible with all Clari-sonic facial cleansing brush systems such as Mia, Mia 2, Mia 3 (Aria), Pro, Plus, Smart Profile, Alpha Fit, Plus, Sonic Radiance Premium Material: The brush head is made from all-natural ingredients to minimize any negative effects or possible damage to the skin. Ideal for cleaning traces of skin, large pores or hard-to-reach areas of the face, such as around the noseFunction: Designed for ultra-gentle cleansing, keeps skin precise, clean and shiny. Skin cleansing effect is 6 times higher than single hand cleansing effectTips: We recommend using the brush head every 3 months for best results. And we recommend this product for all large pores. Replacement deep pore brush head uses a dual action graduated bristle design to remove pore-clogging oil and dirt High quality product It is not made or sold by Clari-sonic, but it has the same performance as the original. If you are not completely satisfied, you can request a replacement or a refund. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. YJL official store