What it is: A four-piece set that combines innovative T3 technology with Living Proof science to eliminate frizz for soft, smooth, shiny hair. What it does: The T3 SinglePass Straightening & Styling Iron offers digital SinglePass™ technology to maintain the perfect level of ionic, infrared heat for your hair while the one-inch beveled design straightens, flips, and curls in one quick pass. It features adjustable heating up to 450,F and a professional length swivel cord for effortless styling. With the ability to block humidity 70 percent more effectively than conventional anti-frizz products, Living Proof No Frizz Nourishing Styling Cream smooths, conditions, and tames frizzy, unmanageable hair without silicones or oils.