Compatibility: Replacement brush head is compatible with all Clari facial cleansing brush systems such as Mia, Mia 2, Mia 3 (Aria), Pro, Plus, Smart Profile, Alpha Fit, and Radiance. Material: The brush head is made from natural fibers to help minimize irritation and support skin health. Ideal for cleaning skin surfaces, large pores, and hard-to-reach areas such as around the nose. Function: Designed for gentle cleansing, helps maintain clean, smooth, and refreshed skin. Cleansing performance is significantly higher compared to manual hand washing. Tips: Replace the brush head every 3 months for optimal results. This deep pore brush head features a dual-action bristle design to effectively remove oil and dirt from pores. High-quality replacement product that performs similarly to the original. If not satisfied, a replacement or refund may be requested.