May 26, 2016 08:23 PM

What’s the secret behind every single perfectly tousled hairstyle that Mary-Kate and Ashley Olsen have worn since 2004? That’s a question we ask ourselves daily. So we asked Dove celebrity hairstylist Mark Townsend, who has been working with the duo since they starred in New York Minute, and the answer is way simpler than you’d expect.

Grab your toothbrushes, ladies — because that’s the tool that Townsend says he swears by in a new video for our series, “Life-Changing Tips.”

Larry Busacca/Getty

A mist of extra-hold hairspray on a boar bristle toothbrush (plastic bristles can melt from the hair spray’s chemicals) is all you need to elevate your hairstyle, says Townsend, who uses the combination to make the sisters red carpet ready. Because “what separates an Olsen from a woman leaving the gym is the details,” he insists.

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But MK & A aren’t the only ones who get the Townsend treatment — aside from being the go-to guy for all three Olsen sisters, Elizabeth included, the pro works with stars like Dakota Johnson and Rachel McAdams just to name a few. And yes, he’s used his toothbrush trick on every single one of them.

So the next time you’re wondering how the magic happens, take Townsend’s advice and remember that it’s all in the bristles.

Will you try his trick? Tell us below!

— Jillian Ruffo

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