Hair Scalp Massager Shampoo Brush  Exfoliate Scalp Helps with dandruff  Promote healthy hair growth  Use to massage in scalp treatments and oils  Clean, Healthy Scalp!  How to use: fully wet hair in the shower. Apply shampoo to the brush and start massaging in circular motions on the scalp. Massage for a few minutes for a relaxing, stress-relieving experience. Rinse hair.