RIDZOKUMURA Scalp Massage Brush helps with: - Waste Removal & Relieve Itchiness - 100% water proof with silicone material - Improves scalp and hair with by providing proper stimulation to the scalp - Cleans scalp, promotes hair follicle health and improves blood circulation - Comfortable to use, does not harm skin - Excellent grip Specification: Material: environment friendly rubber case + silicone tooth Color: Black Product size: 8cm*8cm*7cm How to use: 1. Wet the scalp and hair thoroughly with water, then use shampoo to foam 2. Massage the whole scalp gently with scalp brush 3. After use store in a well ventilated place