The EcoTools Makeup Brush and Sponge Shampoo is designed to wash away makeup, oil and impurities from your brushes to improve their performance, and give you a smoother makeup application. The shampoo is dermatologist tested, hypoallergenic, and free of parabens, phthalates, and petroleum-based ingredients to leave brushes clean, soft and healthy. Suggested Use: Instructions: Dampen bristles with lukewarm water. Squeeze a small amount of shampoo onto the brush, and gently rub bristles between your fingers to create a light lather. Rinse thoroughly. Continue until water runs clear. Squeeze excess water, reshape brush and lay flat to dry. Do not stand brush upright. UPC: 079625013115 Weight: 0.75 lbs