T3 SinglePass X: two-minute review. T he T3 SinglePass Smooth X may not be at the top of my best hair straighteners list, but ...

A top consideration when choosing a flat iron: “It’s important to me that the flat iron works well with all hair types and offers versatility,” beauty expert Nick Stenson tells PEOPLE.

A flat iron can often have similar functions as a round brush or curling iron, which minimizes your need for extra hair tools, especially if you’re traveling. To help you find the best flat iron ...