This unique vibrating hair brush is battery powered and provides a gentle scalp massage while brushing the hair. It's gentle vibrations deliver a soothing sensation to the scalp and hair follicles. The electric hair brush massages while vibrating and promotes improved blood flow and circulation to the scalp which helps the hair follicles receive vital nutrients. In addition to providing added volume and less frizz, the massage brush can also relieve stress. The back of the vibrating brush can be used as a standard massager on the neck or back. Why settle for a plain, boring hair brush when a multi-function hair care tool like the vibrating massage hair brush is available at such a great price!