Meet the Shark® SpeedStyle™ DefrizzFast Diffuser, designed for effortless, bouncy, defined curls. Attach to your SpeedStyle™ hair dryer for fast, even drying from root to tip, with no heat damage. Use the lever to extend or retract the prongs for customizable airflow on all hair lengths. Its petal design creates a more natural hold on curly, coily, or wavy hair, to maintain volume as you style.