How to Clean Your Morphe X Ariel Makeup Brushes With regular use, it is recommended that you clean your makeup brushes weekly. 1. Wet the bristles with warm water and a gentle cleanser. 2. Swirl the bristles on the palm of your hand. 3. Rinse and repeat until the water appears clear. 4. Gently squeeze out any excess moisture. 5. Reshape the bristles, then place the brush flat or upside-down to air-dry. CAUTION: Avoid using hot water and wetting the handles and ferrules.