All products featured on Allure are independently selected by our editors.

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Sure, it’s a splurge, but its unique, hair-health-first design makes it worth the cash.

Collage of Allure editors with styled hair and flatirons

Collage: Laneen Wells; Source images: Allure editors

It combines ceramic plates with air-based technology to straighten your hair (even when wet!)

without causing significant heat damage.

These one-inch ceramic plates also feature the brands signature ionic technology to minimize moisture loss.

GHD Platinum+ Styler black flat iron on light gray background with red Allure Best of Beauty Hall of Fame seal in the top right corner

Commerce writer Jennifer Hussein styling her hair using the GHD Platinum+ Styler

Its slender, beveled design makes this pick perfect for creating smooth, straight styles and curls.

The futuristic flatiron can determine which of its nine temperature control configs will be the safest and most effective.

This combination offers the best of both worldsA.K.A., even heat distribution, and reliable results.

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Hussein before using the GHD Platinum+ Styler

The uniform temperature allows straightening in a single pass, and the flatiron heats in less than a minute.

Unlike options that have preset heat controls, this straightener allows you to set your temperature in 10-degree increments.

Its 1.75-inch plate size covers larger sections of hair for easier, faster styling.

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Hussein after using the GHD Platinum+ Styler

and its long titanium plates that speed up smoothing.

(Titanium plates heat up faster and distribute heat more evenly than ceramic).

The 2-inch-wide plates get bonus points for making quick work of long or thick hair..

A selfie of Allure shopping director Shanna Shipin with wavy hair after using the GHD Platinum Styler

Shopping director Shanna Shipin curling her hair using the GHD Platinum+ Styler

If you need peace of mind, the iron has an auto shut-off function after 30 minutes.

“The key is to use them on dry hair and ideally as a finishing tool.

I typically recommend smoothing with a round brush before straightening.

Dyson Airstrait in gold and silver colorway on light gray background

Commerce producer Sarah Hoffmann straightening her hair using the Dyson Airstrait

“Use a haircare product that’s marketed as a heat protectant before straightening your hair.

“Don’t go over the same section of hair over and over again.

It’s better to go over it once, slowly.

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Hoffmann before using the Dyson Airstrait

Another key to straightening safely is to be mindful of the temperature of your flatiron.

According to both stylists, the optimal temperature to avoid burning is 365 degrees Fahrenheit.

How do hair straighteners work?

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Hoffmann after using the Dyson Airstrait

“Flatirons work by using heated plates to temporarily alter the structure of your hair, making it straight.

How should I choose a hair straightener?

Picking a hair straightener is a personal choice and largely depends on your hair pop in and styling desires.

Mane The Three Way Multi-Use Flat Iron in white and purple on light grey background

Contributing commerce writer Annie Blackman straightening her hair with the Mane The Three Way Multi-Use Flat Iron

Toth explains that plate size and shape are key to selecting a hair straightener.

“The wider the plate, the straighter the hair will look.

When reviewing tools, we also take into account testers experience levels.

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Blackman before using the Mane The Three Way Multi-Use Flat Iron

Testers considered performance across three primary categories: efficacy, safety, ease of use, and value.

For more on what’s involved in our reporting, check out our completereviews process and methodology page.

Our staff and testers

A beauty product is a personal purchase.

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Blackman after using the Mane The Three Way Multi-Use Flat Iron

Can we honestly deem a high-end diffuser worthy of your hard-earned cash if its never been tested on curls?

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