Drybar
Drybar The Tress Press 1.25" Straightening Iron
$169Cheaper
Best Hair Straighteners · head-to-head
Drybar The Tress Press 1.25" Straightening Iron vs Bio Ionic 10X Pro Styling Iron 1"
A sourced, side-by-side comparison. Drybar The Tress Press 1.25" Straightening Iron is cheaper at $169. Every spec and price links to its source.
Bio Ionic
Bio Ionic 10X Pro Styling Iron 1"
$262
Released 2025
Which is better: the Drybar The Tress Press 1.25" Straightening Iron or Bio Ionic 10X Pro Styling Iron 1"?
On the specs we track, they're closely matched. The Drybar The Tress Press 1.25" Straightening Iron is the cheaper at $169.
See Drybar The Tress Press 1.25" Straightening Iron on Amazon See Bio Ionic 10X Pro Styling Iron 1" on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Drybar The Tress Press 1.25" Straightening Iron | Bio Ionic 10X Pro Styling Iron 1" |
|---|---|---|
| US price | $169 | $262 Retail, bioionic.com and Ulta |
| Brand | Drybar | Bio Ionic |
| Released | — | 2025 |
| Plate material | Titanium | Volcanic mineral-infused BioCeramic |
| Plate width (in) | 1.25 | 1 |
| Max temp f | 450 | 450 |
| Cordless | No | No |
| Dual voltage | Yes | Yes |
| Heat settings | — | — |
| Auto shutoff | Yes | Yes |
| Release | — | 2025 |
Sources — Drybar The Tress Press 1.25" Straightening Iron: nordstrom.com (verified 2026-06-15). Bio Ionic 10X Pro Styling Iron 1": bioionic.com (verified 2026-06-15).
What's the difference between the Drybar The Tress Press 1.25" Straightening Iron and Bio Ionic 10X Pro Styling Iron 1"?
Where the two actually differ on the specs we track (2 of 7). Matching specs are omitted.
- Plate material: Drybar The Tress Press 1.25" Straightening Iron Titanium vs Bio Ionic 10X Pro Styling Iron 1" Volcanic mineral-infused BioCeramic
- Plate width (in): Drybar The Tress Press 1.25" Straightening Iron 1.25 vs Bio Ionic 10X Pro Styling Iron 1" 1
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Drybar The Tress Press 1.25" Straightening Iron
No sourced tester review yet.
Bio Ionic 10X Pro Styling Iron 1"
Only one whitelisted tester, Wirecutter, hands-on panel-tested this exact model. It landed as an also-ran alternative: praised for precise, root-reaching tapered plates and a comfortable barrel, but flagged as expensive (about $200 over its budget winner) with a fingerprint-prone matte finish. Reviewed covered a different Bio Ionic and did not test it; Real Homes omitted it. (1 sourced review, 1 lab-tested.)
Praised: Tapered, angled 1-inch ceramic plates straighten precisely and reach into the roots while still gripping larger sections; Thin barrel is comfortable to hold and the matte casing feels luxe with a bit more heat protection than rivals; Vibration mode let several testers finish in far fewer passes without any snagging or grabbing.
Flagged: Expensive; testers doubted the extras justified roughly $200 over the budget winner; Matte finish is prone to stubborn greasy fingerprints after use with styling products; Vibration mode is unintuitive and initially confused panel testers.