Antibacterial Silicone. Cruelty Free. Sustainable Bamboo. 50% less plastic than similar brushes. Promotes scalp health and boosts circulation for healthy hair. For use on wet or dry hair of all types. Key Features Crueltyfree materials Antibacterial silicone Ecofriendly bamboo Use Directions While holding the scalp massage brush in your palm, apply your shampoo or treatment product directly onto the brush and gently press the silicone tips to the scalp with medium pressure. Thoroughly massage all areas of the scalp to deeply cleanse and stimulate your scalp. Rinse out all residual product where necessary. To preserve the life of your brush, do not use oil based or abrasive formulations which will degrade the silicone.