Hairstylists share how to choose the best straightener for your hair type and recommend their favorite flat irons. Shop from ...

while those with mid-length or long hair should choose a flat iron between 1.25 and two inches. You can’t really talk about hot tools without hearing the rave reviews of GHD or Good Hair Day.

We spoke with experts and tested worthy contenders to round up the very best hair straighteners. Here are our top picks of 2025.