COMPATIBILITY: Compatible only with Shark SpeedStyle (HD300 Series). END STYLE: Shapes, smooths, and tames bangs, layers, and ends. NO HEAT DAMAGE: When used with the Shark SpeedStyle, you can dry and style ultra-fast with no heat damage. MANUALLY SPIN BRUSH: Reach all areas of hair with ease using the cool-touch knob to rotate the brush to create soft bends and movement in the hair. FOR ALL HAIRKIND: The Express Touchup Brush gives straight, wavy, curly, and coily hair a bouncy, voluminous style. Especially best for bangs, layers, and shorter hair lengths. Best for: Bouncy blowouts on straight, wavy, curly, and coily hair. CERAMIC COATED BARREL: The ceramic-coated barrel provides even heating to help reduce frizz and add shine.