Vidal Sassoon Coarse Hair Ion Dryer (VSDR5503) Hair conditioning ions infuse moisture, control fly-aways and enhance shine Ceramic Disk Technology Heats Hair From the Inside out. Dries Hair Faster While Smoothing the Hair's Surface and Preventing Frizz. Separate Heat and Speed Rocker Switches. 2 Heat/Speed Settings for Styling Flexibility. Turbo Boost Button to Increase the Airflow and dry Coar ...