Features: Protect Your Scalp, Healthy Hair Washing: Massage your scalp,relieving fatigue, pressure and muscles sore. With soft thick silicone bristles, massages your scalp in the shower to ease itchiness and promote blood circulation. Replaceable Brush Heads: One instrument with three use experiences. You can replace coarse or fine brush heads according to diffrerent needs. It can stimulate the scalp follicles and take effect in preventing hair loss, and help to hair growth. Ergonomic design: Rounded pebble-shaped design perfectly fits in your palm and is easy to hold. It is lightweight and compact, suitable for all types of hair, including dense, thick, coarse or curly hair. Made of silicon, soft enough to use for kids, very gentle.