This Studio Dry 'Scalp Massager' is a great way to treat yourself to that spa like feel, with gentle and safe silicone bristles that feel great and stimulate your scalp to promote hair growth. The more you use this, the better the possibilities! It can be used on a dry or wet scalp encouraging the use of this massager during that next hair wash day to really help lather in that shampoo and get to the roots.