25 mm: Starting at the roots, gently work the brush throughout the length of hair using easy strokes. Use on shorter hair to create small waves.
35 mm: Starting at the roots, gently work the brush throughout the length of hair using easy strokes. Use on medium hair to create loose waves and volume.
45 mm: Starting at the roots, gently work the brush throughout the length of hair using easy strokes. Use on medium to long hair to create a bend and give fullness.
55 mm: Starting at the roots, gently work the brush throughout the length of hair using easy strokes. Use on medium to long hair to create volume and a smooth, sleek look.