Ecotools hypoallergenic makeup brush shampoo cleanses more than 90% of oil, makeup and impurities from your brushes for improved performance. This 6 fl. Oz. Brush shampoo conditions your applicators for smooth makeup application and helps return brushes to their original, soft form while removing oily residue. Free of petroleum, parabens and phthalates, this hypoallergenic shampoo is gentle and offers excellent results.