Scalp Massage Shampoo Brush Silicon (blue) Our Shampoo brush massager is designed to stimulate scalp cells, ease itchiness, improve blood circulation, reduce dandruff, strengthen the roots of your hair . The brush is made of silicone, and there are no joint cracks to avoid bacterial growth. the brush bristle is soft ,heat & cold resistant , enviormental friendly No hurt to the scalp no matter used wetly or dryly. No damage to your manicure. No battery required. 5 different colors. Good for personal hygiene. Suiteble for men , women,even pets. It fits varies hair styles. A quite different experience compared to traditional hair wash with hands. This is also considered to be a relax process that can be done anywhere, at anytime. The product is no big than one hand ,you can use it at home or on your vacation /business trip. Compact & Portable:The shampoo brush scalp massager is lightweight and compact for carrying and storing easily. With hanging hole design makes it convenient for hanging and storing, which is very practical and humane.