Nano Thermal Ceramic Ionic Technology: Our round brush will add endless shine and blaze on your hair every time you use. Enhance the looks of your hair, improve texture and reduce brittle hair and split ends! It helps reduce frizz and add shine. Cuticles are sealed, producing a smooth, soft texture from roots to ends. It creates loose curls and waves in medium to long hair and helps straighten and add volume to shorter and medium styles | Natural Boar Bristles: Human scalp naturally produces oil called sebum which acts as a protector for hair. The boar bristles help to spread this sebum around to lubricate each of your hair strands which reduces frizz. For Smooth Finishing and Quick Drying. Enhances Shine with Natural Boar Bristles | 1.7 Inch Round Barrel: The vented ceramic coating barrel allows up to 50% more airflow from a blow dryer and evenly distributes the heat to make hair dry quickly and straighten out, reducing the frizz, maximizing your hair volume and shine. 1.7 inch is the barrel’s diameter, the overall size is 2.9 inch if adding the length of bristles. Perfect for medium past shoulder length hair drying and styling | Ergonomic Handle design, comfortable and non slip: No more slippery handles, no more hand fatigue. Our round barrel thermal hair brush is equipped with an ergonomic and humanized palm shape handle. Its anti-slip rubber design ensures easy and no-hassle use | Happier Shopping: For whatever reason you don’t love our hair brush, let us know, we will address your issue within 24 hours and give you a resolution ASAP. Click the "Add to Cart" Button NOW, Buy in confidence