Bio Ionic Long Barrel Styler Pro Curling Iron 1" The top-rated Bio Ionic Long Barrel Styler Pro Curling Iron 1" ($140) can heat up in five seconds (and stays hot), plus has an extra long barrel to quickly curl wider hair sections, including lengthy, thick styles. Image Source: sephora.com Bio Ionic Long Barrel Styler Pro Curling Iron 1" $140 from sephora.com Buy Now