BaBylissPRO Nano Titanium Spring Curling IronBaBylissPRO Nano Titanium Spring Curling Iron The BaBylissPRO Nano Titanium Spring Curling Iron creates loose waves or textured curls. The Nano titanium barrel uses far infrared heat, heating the hair shaft from within for styling without damage. There are 50 heat settings, up to 450F, and a Turbo Heat button to instantly boost heat output for more defined curls. The barrel of the iron uses Sol Gel technology. They last longer and are more resistant