The EcoTools brush shampoo effectively removes makeup, dirt, oil, and other impurities from your makeup tools, without all the harsh chemicals The brush cleaner naturally cleans and conditions your applicators, and returns your brushes and sponges back to their soft and gentle form without leaving an oily residue behind A brush cleanser that’s free of parabens, phthalates, sulfates, and petroleum-based ingredients This brush cleansing shampoo is dermatologist tested, hypoallergenic, fragrance-free, and safe for sensitive skin Apply just a small amount of Ecotools Makeup Brush Cleansing Shampoo on your used sponge or brush, gently massage sponge or brush to create a light lather, and rinse thoroughly We recommend using the brush shampoo weekly to prolong the life of your brushes and sponges