Hair Scalp Massager Shampoo Brush is made of soft Soft Silicone Bristles.Hair Scalp Massager Shampoo Brush has a more suitable weight than the plastic one. Whether your hair is long or short, thick or thin, wet or dry, the Scalp Massager Shampoo Brush always easily goes through your hair and gently massage your scalp. The medium hardness silicone bristle does it all without hurting the scalp, and you won't have to worry about the sensitive scalp. We have our own factory and we have good confidence in the quality of our Hair Scalp Massager.