GENTLY MASSAGES AND EXFOLIATES THE SCALP WITH AN ERGONOMIC DESIGN. Ergonomically designed to fit in the palm of your hand, this brush gently massages and exfoliates the scalp. The ball-tipped bristles create a luxurious spa experience with the SCALP.SPA products. In line with KEVIN.MURPHY�s sustainability values, the handle of this brush is made from biodegradable plant starch