The macadamia 100 boar hot curling brush 25mm is perfect for longer thicker hair and works to create volume and body on straight andor curly styles fitted with 100 boar bristles and a ceramic coated base the high heat resistant brush evenly distributes the hairs natural oil whilst sealing the cuticle to prevent damage and breakage its barrel shape is perfect for creating volume at the roots adding body and creating curls kn