Thermal bar helps retain heat while blow drying to deliver smoother looking hair Slip-resistant silicone base helps provide a strong grip for maximum control Universal attachment fits most dryers and brands Lifts, shapes, and smoothes hair Thick, heat resistant teeth The ion Professional Universal Hair Straightening Pic has tapered teeth to help penetrate very curly hair with ease while the smoothing bar with the help of the hair dryer promotes smoothness and less frizz. Long heat-resistant silicone base fits most hair dryer size and brands.