Multi purpose shampoo brush works to cleanse and lightly exfoliate the scalp, helps increase blood flow to the scalp. Works to cleanse and lightly exfoliate the scalp. Can be used wet or dry. Helps increase blood flow to the scalp, boosting hair growth and promoting relaxation. Helps to control or even eliminate dandruff. Soft and flexible and will not do harm to scalp. Comfortable due to its ergonomic design. Massager is appropriate for all hair types, including dense, thick, and coarse or curly hair. Suitable for men, women and even pets.