The Diane 100% Boar Medium Club Brush is specially made with 100% natural firm boar bristles and a brown wood finish. This brush is gentle on sensitive scalps, and its advanced implantation technology reduces bristle loss. Great for smoothing and forming wave styles. Works best for medium to coarse hair. How to Use: For wave styling: Brush hair using short brush strokes starting from the middle of head to front, then in a downward pattern on the sides and from middle of head to back; or brush in the direction of hair pattern with short brush strokes.