The BaBylissPRO Nano Titanium Dual Ionic series allows you to customize styling by turning ions ON or OFF. Delivers 2X the Ions for maximum smoothness and shine. Customized styling. Turn lons ON or OFF: ON – Great for curly and coarse hair, helps reduce frizz, condition and straighten OFF – For specialized salon treatments (e.g., keratin treatments). Great for straight hair, helps smooth hair without compromising volume.