10 best flat irons, according to celebrity hairstylists

Flat irons also may be the secret to frizz-free, sleek straight, and glossy hair due to ionization. According to Stefan Bertin, a London-based hairstylist, the process helps close the hair cuticle, giving it a sheen. However, he noted that "there's no real substance, scientific evidence of that, but I feel like there is a difference."

Flat irons are readily available at a variety of Shopping reader favorite retailers, ranging from Walmart and Amazon to Sephora and Target. They’re also available at Best Buy, Ulta, Dermstore and Bed Bath & Beyond. Hair straighteners, like the 1-inch Remington iron, can cost as little as $18 at Amazon, while a top-of-the-line model like the Dyson Corrale can cost nearly $500. Popular flat iron brands range from Conair and Rusk to Sedu and NuMe.

We spoke with seven celebrity hairstylists who work with everyone from Reese Witherspoon to Octavia Spencer to find out everything you need to know before buying a flat iron this year.

 

25 best hair straighteners for every hair type

Don’t be fooled: hair straighteners are more versatile than the name suggests. They can be used to create tight curls and beachy waves, as well as the classic poker-straight style, so it’s handy to have a trusty pair in your beauty arsenal.

But this is a big market. The best models will fight frizz and make hair shine. They won’t tear or burn your tresses, nor leave you faffing about with complicated settings.

If you don’t know where to start, don’t worry. We’ve roped in our reader panel to help us test over 70 hair straighteners – and we’ve narrowed the options down to our 25 winners for 2021...

• Best hair straighteners: ghd Gold Styler Professional Hair Straighteners
• Best hair straighteners for shine: Flower Ceramic Styling Iron
• Best hair straighteners for damaged hair: Remington PROluxe Ceramic Hair Straighteners
• Best hair straighteners for curling hair: Alfa Italia Lustro Titanium Styler
• Best hair straighteners for afro hair: Revamp Progloss Digital Ceramic Straighteners
• Best hair straighteners for temperature range: Revamp Progloss Touch Digital Ceramic Straighteners
• Best hair straighteners for wet hair: Remington Wet 2 Straight Pro Straighteners
• Best hair straighteners for design: Dyson Corrale Hair Straighteners
• Best cordless hair straighteners: ghd unplugged
• Best keratin-infused hair straighteners: Remington Keratin Protect
• Best hair straighteners for long-lasting styling: Grundig Touch Control
• Best budget hair straighteners: Phil Smith Hair Straighteners
• Best hair straighteners for curly hair: Nicky Clarke The Hair Therapy Straighteners
• Best hair straighteners for thick hair: ghd Platinum+