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 large soft curls and waves. The longer than average barrel makes it easy and comfortable to style long hair or the back sections of shorter hair 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