The GHD Classic Curl’s single heat setting worked safely on all hair types, including thick hair.

Temperature Range: 365°F | Barrel Size: 1 inch | Material: Ceramic

The Bottom Line
After evaluating each curling iron, our best overall pick is the BabylissPro Nano Titanium Spring Curling Iron. This curling iron earned our top spot because it provides even heat distribution and leaves your hair with a shiny, smooth finish. For those with short hair, the 0.75 barrel helps you to create ringlets and defined curls. Our best budget option is the InfinitiPro by Conair Tourmaline Ceramic Curling Iron because it reduces frizz and heats up quickly. This iron also comes with five different heat settings.

Our Testing Process
We put 14 curling irons to the test in the lab and then again at home over a two-week period. In the lab, we used each curling iron to curl hair types 1-4, inspecting them after the one- and six-hour marks and then again overnight.

We then sent each curling iron home with three different testers who incorporated them into their regular styling routines over a two-week period. Each curling iron was analyzed based on ease of use, temperature settings, heat-up time, and the shape and last power of the curls it produced.