Hair Dryer, Curler, or Flat Iron? Don’t worry. No tutorial on curling your hair with a flat iron. 3. Or if the issue of styling your looooong hair has saved you away from curling irons, the Bio Ionic Long Barrel Styler’s barrel is 2 inches longer than commonplace curling irons’. The directional buttons for the instrument are simple to use and if I accidentally press the button for the other way of which I’d like the barrel to spin, it is a quick and easy correction. Get this 1.25-inch barrel one from Amazon for $130.84 (and take a look at heaps extra varieties and barrel sizes