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 1.25" curling iron helps create large soft curls and waves. 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 430°F, the Bio Ionic Curling Iron allows you to set an optimal temperature according to your hair type. Also, the 1-hour auto shut-off feature and the cool touch grip helps provide added safety 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 hair’s health. Get visibly smoother, softer, shinier hair, even with repeated use