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 inch curling iron helps create medum-sized defined curls. 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 430F, 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 Award-Winning Hair Styling Tools: Our 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 Extended Barrel Length: Features a 2 inch longer barrel than standard curling irons, providing enhanced reach and ease when styling the back of your head or working with longer hair lengths Professional Temperature Control: Adjustable temperature settings accommodate all hair types, from fine to thick, allowing customized heat application for optimal styling results while minimizing heat damage