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Dyson Supersonic vs ghd Helios vs Shark FlexStyle
Too close to call: the right one depends on your home.
The verdict in 10 seconds
The Dyson Supersonic suits you if
- You blow-dry often and want to save time on thick, long, or curly hair
- You worry about heat damage, especially on color-treated or fragile hair
- You want one tool that can smooth, diffuse, and tame flyaways
Skip it if
- You want a solid dryer without a luxury price tag
- You'd be bothered by a heavy, bulky cord with no strap
- You want controls right on the handle and a setup with no learning curve
The ghd Helios suits you if
- You have thick or long hair and want it dry fast
- You like simple controls without a lot of settings to fiddle with
- You want a smooth, low-frizz finish at home without salon-level fuss
Skip it if
- You want lots of heat and speed settings or smart features
- You rely on a diffuser and don't want to pay extra for one
- You're looking for strong value for the money
The Shark FlexStyle suits you if
- You want one tool that dries and styles your hair
- You have straight, wavy, or fine hair and like sleek or loosely waved looks
- You're new to curling and want something forgiving and easy to learn
Skip it if
- You have very thick or coily hair and want defined curls
- You're sensitive to a loud, high-pitched motor
- You only need a basic dryer and don't want to pay for extras
So, which one?
These are closely matched, so pick by what your home needs. The Dyson Supersonic suits you if you blow-dry often and want to save time on thick, long, or curly hair. The ghd Helios suits you if you have thick or long hair and want it dry fast. The Shark FlexStyle suits you if you want one tool that dries and styles your hair.
We researched 22 expert reviews, analyzed 66,623 owner ratings and comments across 24 sources for the three, and cross-checked them into one verdict, so you don't have to.
Show me the receipts
The scoreboardProduct Review score 80 vs 75 vs 83 · reliability 64 vs 89 vs 92
| Dyson Supersonic | ghd Helios | Shark FlexStyle | |
|---|---|---|---|
| Product Review score | 80 | 75 | 83 |
| Experts | 87 | 78 | 82 |
| Owners | 82 | 65 | 79 |
| Reliability | 64 | 89 | 92 |
| Report problems | 14% | 4% | 3% |
| Evidence | 16 reviews · 537 comments | 3 reviews · 98 comments | 3 reviews · 573 comments |
| Typical price | $400–$500 | $247 | $279.99–$349.99 |
● marks the better number on each row.
Experts vs ownersExperts 87 vs 78 vs 82 · Owners 82 vs 65 vs 79
Dyson Supersonic
ghd Helios
Shark FlexStyle
How we reached each verdictThe numbers behind each model's score
Dyson Supersonic
We analyzed 16 expert sources, 13 of them hands-on, and 537 owner comments, 451 first-hand, and the picture is strongly positive: experts score it 87 and owners 82. Owners most often praise its light weight (27%) and fast drying (25%), while experts repeatedly highlight its heat control, frizz reduction and magnetic attachments. Reliability is the weaker spot at 64, with 14% of owner comments mentioning failures, 6% saying it broke or died and 5% citing cord problems; long-term durability data is thin, and one expert noted it is not yet proven. Value splits owners almost evenly, with 10% calling it worth the money and 9% saying it isn't.
ghd Helios
Our research found strong agreement on speed: both hands-on reviewers rated it among the fastest dryers they've used, and 11 of 98 owner comments praise quick drying, versus 2 citing slow drying. Value is the biggest owner sore point, raised in 13 of 98 comments, which helps explain the gap between the expert score (78) and the owner score (65). Reliability looks good, with failures mentioned in only 4% of owner comments and no recalls on record. The evidence is thin, though: only 3 expert sources (2 hands-on) and 45 first-hand owner accounts, so overall confidence is low.
Shark FlexStyle
We analyzed three hands-on expert evaluations, one based on nearly two years of use, along with 573 owner comments, 494 of them first-hand, plus about 3,700 retail ratings. All three experts call it well built and effective, especially as a dryer, and owners most often praise its value (13%) and fast drying (13%). Complaints are scattered: 5% of owners mention noise, 4% feel it's poor value, and only 3% of comments mention failures, which supports a strong reliability score of 92. The evidence is thin on the expert side, with only three hands-on assessments and two published scores, so our confidence is medium.
Where each one falls shortThe most common complaints
Dyson Supersonic
- Very expensive
- Heavy, bulky cord with no tie or retraction
- Awkwardly placed controls and attachments that can get knocked off
ghd Helios
- Feels overpriced for what it offers
- Basic controls with only two speeds and two heat settings
- Only one nozzle included; diffuser costs extra
Shark FlexStyle
- Loud, high-pitched motor
- Curling struggles with thick hair and needs practice
- Still expensive, and not every kit includes a case
Questions people actually ask
Which is better, the Dyson Supersonic or the ghd Helios or the Shark FlexStyle?
Neither, clearly. They're closely matched, so choose by your floors, pets and budget.
Based on: Product Review score 80 vs 75 vs 83.Which is more reliable?
Neither stands out. The three have a similar record.
Based on: Reliability 64 vs 89 vs 92; problems mentioned by 14% vs 4% vs 3% of owners.Which is easier to live with day to day?
It's a draw. Day to day, the three are about as satisfying.
Based on: Owners score 82 vs 65 vs 79, from ratings and comments.Which is cheaper?
The ghd Helios usually costs less.
Based on: Typical prices: Dyson Supersonic $400–$500; ghd Helios $247; Shark FlexStyle $279.99–$349.99.As an Amazon Associate we earn from qualifying purchases. It never changes a score.