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The internet is constantly keeping tabs on Hailey Bieber—so when she revealed one of her favorite hair tools on Instagram, we knew it was worth checking out. At this point, Hailey’s beauty routine has influenced us to stock up on all of her favorites, so we’re already well aware that she has immaculate taste in products. Naturally, all of her personal recommendations get immediately added to the cart—including the Mane Thermal Brush she says is “saving lives.”
Thermal brushes have been all the rage lately for delivering gorgeous volume in a pinch. Whether you’re looking to tame your wild hair in a rush or pull off that clean girl bouncy blowout, a thermal brush is just what you need. Thankfully, they’re a lot easier to use than you might think. (One major plus is that unlike using a blow dryer and a round brush, you only need one hand to use a thermal brush.) And if you still don’t believe the hype—Hailey Bieber might convince you otherwise.

Yesterday, Hailey Bieber posted a picture with the viral Mane It’s Giving Body Large Hot Thermal Round Brush. In the photo, she’s seen with voluminous layered hair and a caption that reads “Jen Atkin saving lives with this Mane hair tool.” Hailey’s stans have a way of selling out everything she touches, and we expect this popular hot tool to fly off the shelves because of her.
The Mane Thermal Brush is TikTok-viral for a reason. It’s available in three different sizes (Hailey uses the large one on her Instagram story), depending on both your hair’s length/thickness and desired look. While the large and new jumbo size are great for achieving those big supermodel waves on thick hair, the medium size is perfect for bangs and layered hair. And if a blowout isn’t really your thing, rest assured thermal brushes are actually a lot more versatile than you might think. You can also use the tool to get beachy waves or defined curls too—just like Hailey Bieber.
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