The shower hair brush is used while taking a bath to massage the scalp and clean out dandruff from the root. It increases blood circulation while ensuring that the shampoo/serum reaches the hair root to have the desired effect on dandruff and hair loss. The fact that all of this is comes in the form of a relaxing head massage is an added bonus. The hairwits shampoo brush is extremely handy for all kinds of hair. Made with plastic and rubber, it is completely water proof and crack resistant. It helps clear out debris from the scalp while increasing blood circulation, thus helping with hair loss and dandruff. Advantages: dual shaped bristles for maximum coverage ensure that no area is missed out. Criss-cross placement of bristles for proper cleansing. Rubber bristles for effective and smooth cleansing.