The BaBylissPRO Nano Titanium Spring Curling Iron uses Nano titanium technology to produce gentle, even far-infrared heat, heating the hair shaft from within for styling without damage. Slim design is lightweight and easy to handle for maximum comfort. The Nano titanium barrel offers even heat distribution without hot spots. Negative ions leave locks smooth & shiny. Use this spring barrel curling iron for tight curls or loose waves. Far-infrared heat leaves hair shiny & smooth.