What it is: An all-natural brush-cleansing shampoo that will maintain the quality of your makeup brushes and sponges by removing product buildup.What it does: The shampoo helps remove product buildup and deep set stains while maintaining the quality of your best makeup brushes and sponges. How to use: Wet brush or blender, add a few drops of the shampoo, use a scrub pad or hand to work up a lather and rinse thoroughly. Repeat if necessary. Reshape, layout and leave out to dry. 2 oz. Sulfate-free; phthalate-free Vegan Made in the USA