What it is: A cleanser that thoroughly cleanses brushes, removing makeup residue build-up.What it does: It keeps your brush hairs in optimal condition. Monthly brush cleansing is recommended to ensure the highest level of hygiene and helps brushes last longer. How to use: Pump one spray onto each side of your makeup brush. Gently tissue off makeup residue. Let air dry for 1-2 minutes before using.- 8 oz.- 100% fragrance-free- Allergy tested