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Best Flat irons

Which Flat irons performed best in our tests?

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We tested 5 flat irons to determine the best-performing models. Our expert lab technicians tested each Flat iron based on the following criteria:

  • Straightening performance
  • Features
  • Ease of use

Below lists the Flat irons that rated best in each of the tests our experts looked for. Learn about how these tests were performed and find out which Flat iron is rated best when you subscribe.

Consumer Reports Ratings for Best Flat irons

ratingsBest Flat iron for Straightening performance
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The ability of the product to straighten human hair swatches.


This Flat iron which tested best for Straightening performance has the following features: Plate width (in.), Automatic shut off, Heat resistant mat and LED temperature display.

ratingsBest Flat iron for Features
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The usefulness of the unit's features scored as advantages and disadvantages


This Flat iron which tested best for Features has the following features: Plate width (in.).

ratingsBest Flat iron for Ease of use
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Represents the judgment of panel testers of how easy the flat iron is to use


This Flat iron which tested best for Ease of use has the following features: Plate width (in.) and Automatic shut off.