You just dropped a small fortune on a Dyson Airwrap. It’s gorgeous. It’s shiny. You’ve mastered the barrels—mostly—and your hair looks like a Pinterest board come to life. But then there’s that one piece sitting in the leather case. The round brush.
Most people pick up the dyson airwrap round brush attachment and treat it like a regular hairbrush. They yank it through their hair, get it tangled, and wonder why their "bouncy blowout" looks more like a frizzy bird's nest. Honestly? It's not you. It's the technique.
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The round brush is the sleeper hit of the Airwrap system. It’s the tool that actually replaces your professional salon visits, but it’s also the most temperamental.
The Battle of the Brushes: Original vs. Large
Dyson didn't just stop at one brush. If you’ve been paying attention to the 2026 lineup, there are now a few ways to get that volume.
The original round volumizing brush is the skinny one. It’s about 1.65 inches in diameter. If you have a bob, a fringe, or very fine hair, this is your best friend. It creates that tight, 90s flick at the ends that looks intentional rather than accidental.
Then came the Large Round Volumizing Brush. This thing is a beast. It’s significantly wider, designed specifically for the "long hair, don't care" crowd. It doesn't give you a curl so much as a massive, sweeping wave.
Here is the thing most people miss: the large brush actually provides more tension. Because it has more surface area, it grabs the hair more effectively. If your hair is thick and coarse, the small brush will just slide right through like it’s not even there. You need the big one to actually "bite" the hair and pull it smooth.
Why Your Hair Keeps Getting Tangled
Let’s talk about the "tangle of doom." It usually happens at the back of the head. You wrap the hair around the brush, the air starts blowing, and suddenly you’re stuck. You can’t pull it out. You can’t move the tool.
Panic sets in.
The mistake is rolling the hair all the way to the root and holding it there while the motor is on full blast. The Airwrap isn't a traditional round brush. It’s a wind machine. When you roll it to the scalp, the air has nowhere to go but into the tangle, knotting the hair further.
Instead, try the "glide and twirl" method.
- Step 1: Place the brush at the root under the section.
- Step 2: Lift up for volume.
- Step 3: Slowly glide it down to the ends while rotating your wrist.
- Step 4: Only when you reach the very end should you roll it back up halfway—not all the way to the scalp.
Also, for the love of everything holy, make sure your hair is about 80% dry before you even touch this attachment. If it’s too wet, the tension will snap your strands. If it’s too dry, you won't get any shape. It’s a narrow window.
The Secret "Cold Shot" Trick
We’ve all seen the blue button. Most of us ignore it because we’re in a rush.
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But with the dyson airwrap round brush attachment, the cold shot is the difference between a blowout that lasts until your next wash and one that falls flat before you finish your coffee.
Heat breaks the hair's hydrogen bonds to reshape it. Cold sets those bonds in place. When you’ve got a section wrapped around that brush and it’s looking perfect, hold that cold shot for at least 10 seconds. You’ll feel the bristles cool down. When you release the hair, don't just pull the brush out—twirl it out.
Pro Tips for the Frizz-Prone
If you have "frizz-prone" hair (which is often just curly hair in disguise), the round brush can be a nightmare. The airflow can sometimes blow the "baby hairs" upward, creating a halo of static.
Experts like Chloe Swift suggest holding the tool vertically rather than horizontally. When you hold it horizontally, the air blows out in all directions. When you hold it vertically and move it down the hair shaft, the air follows the cuticle, smoothing it down rather than ruffling it up.
Also, consider your products. A "slick" heat protectant is better than a "sticky" mousse when using the round brush. You want the hair to glide over the bristles, not get caught on them.
The 2026 Tech Upgrade: Coanda 2x
If you’re using the newest 2026 Airwrap models, you’ve probably noticed the "Coanda 2x" branding. The motor is punchier now—about 30% more powerful.
The latest round brush attachments for these models have slightly different bristle spacing. Dyson realized people were struggling with tangles, so the new "tapered" bristle design allows the hair to release more easily. If you’re still using the version from three years ago and struggling, it might actually be worth grabbing the upgraded attachment separately. They are backward compatible.
How to Get the Most Out of Your Attachment
Honestly, the round brush takes more practice than the curling barrels. The barrels do the work for you; the brush requires you to actually have some coordination.
- Sectioning is non-negotiable. If you try to do too much hair at once, the middle of the section won't get dry, and the whole thing will frizz.
- Over-direct for volume. If you want that "supermodel" lift, pull the hair forward toward your face while the brush is at the root, then sweep it back.
- Clean the attachment. Hair product builds up on those fine bristles. Once a month, pop the attachment off and give it a quick wipe. If the holes are clogged, the airflow weakens, and the Coanda effect won't work.
The dyson airwrap round brush attachment isn't just a "finishing" tool. It’s a shaping tool. Once you stop fighting the airflow and start working with the rotation of your wrist, you’ll realize why it’s the most valuable piece in the set.
Actionable Next Steps:
- Check your dampness: Next time you style, wait until your hair feels "cool to the touch" but not "wet" before using the brush.
- Try the vertical hold: Switch your grip from horizontal to vertical on your next blowout to see if it kills the frizz.
- Test the cold shot: Count to a full ten seconds on the cold setting before releasing your front "money pieces" to see the difference in hold.