Replacement brush heads are made from non-porous, super soft bristles that resist bacteria buildup. Deep Pore: Precision-designed to cleanse deep into pores to remove impurities and reduce oil and blemishes. Ideal for oily skin, large pores, or hard-to-reach areas of the face, such as around the nose. Sensitive: Precision-designed for effective use on the face, décolletage, and body for sensitive or combination skin types. Radiance: Gently cleanses away dullness to reveal radiant, smooth, and soft skin. Deep Pore: Helps reduce the appearance of pores. Invigorating and refining. Premium replacement brush heads are manufactured in an FDA-registered facility, adhering to high health and safety standards. With daily use, the brush helps leave skin feeling and looking smoother and may enhance topical product absorption for improved cleansing. For best results, replace the brush head every 3 months. The brush is safe and gentle for daily use and fits into a daily facial care routine. It helps massage the skin and increase circulation, which may improve product absorption and help reduce the appearance of wrinkles and pores. Usage: For best results, replace your brush head every 3 months. To remove the brush head: Grip it firmly, then push and twist counter-clockwise. Pull the brush head away from the handle. To attach the brush head: Push down and twist clockwise until it locks into place. Tip: Use the brush head cap to easily remove and attach the brush head with a simple twist. Compatibility: Compatible with Mia, Mia 2, Mia 3, Aria, Pro, and PLUS Cleansing Systems. Built to high-quality standards. 100% satisfaction guaranteed.