One of the easiest ways to style your hair in beachy waves is by using a flat iron. Get tips from celebrity hairstylist Justine Marjan on how to curl hair with a flat iron.

The How To: For beachy waves, grab a flat iron that’s 1 to 1.25 inches. If possible, adjust the heat and turn it up to between 375 and 425 degrees.

The trick to getting this wavy hairstyle — equal parts beachy and old Hollywood — is all in how you work the flat iron.

If you’ve ever watched beauty videos on YouTube, you’ve probably seen someone create perfectly beachy waves using a flat iron. It looks effortless, but somehow, it's not quite the same when we ...

Getting those easy-breezy beachy waves in your hair has never been easier with our roundup of these four flat iron hacks.

The best flat irons for curling hair are easy to handle and designed with rounded plates. Shop the best ones, including two expert-approved picks, here.

Now, this is no ordinary hairstyle. Often seen on the likes of his long-term client Alexa Chung, the Flat Iron Wave is simply a soft bend created in the hair using a hair straightener.