The 14 Best Hair Straighteners and Flat Irons We Tested

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Some people are born with hair that stays naturally smooth in the face of moisture. Some of us, however, are on the perpetual lookout for the best hair straightener—like our top pick, the Paul Mitchell Style+ ($132)—to flatten our wayward locks into submission. This could be the classic flat iron, a hot comb, or even a dryer/straightener combo. Given the overwhelming number of options on the market at all price points, we put more than 30 hair straighteners to the test over weeks, months, and in some cases years on a range of hair types, from fine waves to thick, unruly ringlet curls. These are our favorite devices in each major category—as the old adage goes, a good stylist ...