The Healthiest Way to Style Your Hair: Bio Ionic Long Barrel Curling Iron combines NanoIonic MX & Moisturizing Heat Technology that locks in moisture and seals the cuticle, ensuring curls last long, and stay hydrated & bouncy instead of dull and limp | Advanced Hair Curling Iron: NanoIonic MX technology also helps micronize water molecules so they can penetrate and provide the much-needed hydration, moisture, and conditioning even with continuous use, for irresistibly silky and smooth locks | Versatile & Quick Styling: The 1"" curling iron helps create medium-defined curls. With a 2"" longer than average barrel, it is easy and comfortable to style long hair or style the back sections on shorter styles | Fabulous Features: With variable heat settings up to 450¬ the straightening iron allows you to set an optimal temperature for your hair type. Also features a 1-hour auto shut-off for safety, an ergonomic soft-touch handle, and a 9ft swivel cord | Because My Stylist Said So: Our award-winning hair styling tools have transformed heat styling, enabling you to craft beautiful long-lasting styles without compromising hairàhealth. Get visibly smoother, softer, shinier hair, even with repeated use