This would be anywhere from a ⅜ to ¾-inch barrel. On the other hand, a large barrel curling iron—anywhere from a 1 to 2-inch circumference—is ideal for creating curls for those with medium ...

If you have longer, thicker hair, chances are you need a curling iron with a slightly bigger barrel like this 1.25-inch BaBylissPro Nano Titanium. This one comes recommended by Dorsey, who likes ...