This advanced brush cleaning soap works to eliminate dirt and bacteria from your makeup brushes with ease. With a unique formula that uses activated carbon, the soap absorbs the build-up found in your makeup brushes, leaving them clean. The addition of the included scrubbing mat helps you to wash away even tough formulas and pigments with ease for super clean, hygienic brushes. Benefits of ISOCLEAN Carbon Soap: Eliminates dirt and bacteria from makeup brushes Quick and convenient Includes scrubbing mat How to use: Wet your brush bristles with water before swirling directly onto the soap to coat the bristles. Gently rub your brush onto the scrubbing mat before rinsing your brush in clean water. Be careful not to oversaturate your brush with water.