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Dyson Supersonic Hair Dryer Review: Is It Worth It?
The hair dryer that actually justifies its price — dries faster, quieter and cooler than anything else you've used.
Illustrative image — see Amazon for the actual product.
Our verdict
The Dyson Supersonic is genuinely the best hair dryer you can buy — quieter, faster, gentler and better built than anything else. It's expensive, and it's worth it if you dry a lot of hair often.
The short version
The Dyson Supersonic moved its motor from the head into the handle, which is why it's balanced, small and quiet in a way no other dryer is. Intelligent heat control measures the airflow temperature 40 times a second to protect hair, magnetic attachments swap in an instant, and the airflow is powerful enough to cut dry time roughly in half. It's the reason every high-end salon started using it.
Pros & cons
Pros
- Cuts drying time roughly in half
- Quieter than every other high-power dryer
- Balanced, light and easy on the wrist
- Intelligent heat control protects hair
- Magnetic attachments swap instantly
- Built like a high-end appliance
Cons
- Expensive versus a good $80 dryer
- Attachments can get lost easily
- Attention-getting in shared bathrooms
Why people love it
Motor moved into the handle
Dyson's digital motor sits inside the handle, not the head — which is why the dryer is so much more balanced and quieter than a traditional dryer.
Air Multiplier amplifies the airflow
A small volume of air is drawn in and amplified into a high-velocity stream at the head, giving powerful drying without the roar.
Intelligent heat control
A thermistor measures the air temperature more than 40 times a second and adjusts to prevent extreme heat that damages hair.
Who it's for
- Long, thick or damaged hair
- Anyone tired of loud dryers
- At-home blowouts
- People who dry their hair daily
Is the Dyson Supersonic worth it, or is a $80 dryer enough?
The Supersonic gets the hardest 'is it worth it?' scrutiny in personal care, and the honest answer depends on hair type and use. If you have short or fine hair and dry it in five minutes a few times a week, a $80 mid-range dryer with ionic technology (T3, Bio Ionic, even a good Revlon) works perfectly well. You'll notice the Supersonic is quieter and better-balanced, but you won't save meaningful time.
If you have long, thick, curly or damaged hair — the exact hair that takes 20 minutes to dry with a normal dryer — the Supersonic changes the math. Dry time genuinely drops in half because airflow is that much higher. Intelligent heat control prevents the scorching that damages already-fragile hair. And using it daily is more pleasant because it's not roaring at your face for ten minutes. The people who love it most are the ones who dry a lot of hair often. For everyone else, the price is hard to justify and a Revlon One-Step or a T3 Cura will serve you well.
Dyson Supersonic vs Shark FlexStyle vs T3 Cura
The Supersonic's main competition sits at two tiers. The Shark FlexStyle is the value alternative — a similar 'motor-in-handle' concept with multiple styling attachments (including an Airwrap-style barrel), quieter than a traditional dryer, and often half the price. Airflow and heat control aren't quite Dyson-level, but it's close and the extra styling attachments make it more of a multi-tool. If you want a Dyson-adjacent experience without Dyson pricing, this is the pick.
The T3 Cura and similar high-end professional dryers (BaByliss Pro, Elchim) sit around the Supersonic's price and take a different approach — traditional dryer shape with more powerful motors, digital heat controls and salon-grade build. They're what many stylists actually use in salons alongside their Supersonics. They dry as fast as Dyson but are louder and heavier. Choose Supersonic for balance, quiet and daily comfort; T3 or BaByliss for a more familiar dryer shape at similar performance.
How to use the Dyson Supersonic attachments for different hair types
The Supersonic's attachments are what many owners underuse. The smoothing nozzle (the widest one) is for straightening and taming — hold it 4-6 inches from the hair, aim down along the shaft, and glide slowly. The concentrator is narrower and directs airflow more precisely — this is what you use with a round brush for at-home blowouts. Straight and wavy hair should use these two 90% of the time.
For curls and coils, the diffuser is essential. It spreads airflow so it doesn't blow the curl pattern apart, and the prongs cradle the curls to encourage definition and volume at the root. Use low airflow, medium heat, and cup sections of curls in the diffuser rather than moving the dryer through hair. Finish with a cool shot to lock in the shape. The gentle air attachment is for kids and sensitive scalps at lower temperature. Once you match the right attachment to your hair, the Supersonic's advantage over a plain dryer becomes obvious.
See Dyson Supersonic on Amazon
Check the latest price, photos and buyer reviews on Amazon.
Check Price on Amazon →Sold and shipped by AmazonFrequently asked questions
Is the Dyson Supersonic really worth the price?
For daily users of long or thick hair, honestly yes — it dries roughly twice as fast, it's noticeably quieter, and the intelligent heat control genuinely does reduce heat damage over time. If you dry your hair briefly a few times a week and don't care about a couple of extra minutes, a good mid-range dryer works fine. It's expensive; whether it's worth it depends on how often you use one.
How is it quieter than other dryers?
Two reasons: the motor is smaller and spins faster (a higher pitch that's outside the most annoying human hearing range), and the Air Multiplier system produces high airflow with lower fan speed than traditional dryers. It's still audible, but it's more of a hum than a roar — you can hold a conversation over it.
What attachments come with it, and which are worth using?
Typically a smoothing nozzle (for straight styles), styling concentrator (for precision on curls), diffuser (for natural curls and waves), gentle air attachment (for scalp/kids) and a wide-tooth comb (for curl definition). The smoothing nozzle and diffuser are the two most people use daily; the concentrator is great for round-brush styling.
Does it come with a stand or a case?
The Supersonic dryer ships in a display box with the attachments; Dyson sells a proper storage stand and a travel case as accessories. If counter space is tight, the magnetic stand is a genuine upgrade — attachments store on it too.
Will it work in the UK/Europe with an adapter?
No. Dyson sells voltage-specific Supersonic dryers — the US version is 120V and the UK/EU version is 240V. A travel adapter that only changes the plug shape will underpower or damage a US Supersonic. Buy the version for your country's voltage.
How do I clean the Dyson Supersonic filter?
The filter is the ring at the bottom of the handle — dust and lint clog it over time and reduce airflow. Slide the filter cage off, brush it with the included cleaner brush, and rinse the mesh with cold water. Let it fully air-dry before reattaching. Do this once a month if you use it daily, and the dryer will keep its full airflow for years.
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