Key ingredients
4.4/5
Bio Ionic adds silicone speed strips that grip each section and guide it evenly from root to tip.
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OnePass Styling Flat Iron 1.5-Inch
$217.00
Bio Ionic adds silicone speed strips that grip each section and guide it evenly from root to tip. Its moisturizing heat is meant to keep hair from looking dry after straightening, a common problem on curls. Digital control goes up to 450°F, with a one-hour auto shut-off.
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The Edyt Score
4.6 / 5.0
Targets
4.6/5
This flat iron for curly hair is a speed strips.
Formula standards
4.6/5
The formula is a speed strips.
The verdict
This flat iron for curly hair suits dry, thirsty curls.
Compare against similar products
Side-by-side vs 6 near substitutes (ghd, BaBylissPRO, Dyson, T3, CROC, and SUTRA). Compare best for, key actives, texture, skin fit, Edyt score, and notes. Swipe sideways to compare.
| Pick | |||||||
|---|---|---|---|---|---|---|---|
| Best for | Dry, thirsty curls | Long, thick curls and coils | Silk presses at home | Curls you want to protect | Wide sections in one pass | Thick hair and quick flips | Color-treated curly hair |
| Key actives | - | - | - | - | - | - | - |
| Texture | Flat iron for curly hair | Flat iron for curly hair | Flat iron for curly hair | Flat iron for curly hair | Flat iron for curly hair | Flat iron for curly hair | Flat iron for curly hair |
| Skin fit | Dry | - | - | - | - | - | - |
| Edyt score Methodology: The Edyt Score reflects ingredient profiles, concentration, and formulation standards. It is separate from crowd-sourced user reviews. | 4.6 | 4.8 | 4.8 | 4.7 | 4.7 | 4.5 | 4.5 |
| Notes | Speed strips · 450°F | 2-inch plates · 365°F | Titanium · 450°F | Flexing plates · Cord-free | Extra-long plates · 9 settings | Black titanium · Digital | Far infrared · Floating plates |
| $ / size | $217.00 | $379.00 | $125.99 | $399.99 | $169.99 | $188.00 | $148.75 |
| Shop | Buy on AmazonThis page | Buy on AmazonProduct page | Buy on AmazonProduct page | Buy on AmazonProduct page | Buy on AmazonProduct page | Buy on AmazonProduct page | Buy on AmazonProduct page |
FAQ
Who is OnePass Styling Flat Iron 1.5-Inch best for?
Bio Ionic adds silicone speed strips that grip each section and guide it evenly from root to tip. Its moisturizing heat is meant to keep hair from looking dry after straightening, a common problem on curls. Digital control goes up to 450°F, with a one-hour auto shut-off.
How did Edyt Beauty score this flat iron for curly hair?
Edyt Beauty rates OnePass Styling Flat Iron 1.5-Inch 4.6 out of 5 from the ingredient list, who it is for, and how the formula is built. That is separate from crowd-sourced user reviews.
How does it compare to similar products?
The compare table above stacks OnePass Styling Flat Iron 1.5-Inch against near substitutes for the same shopping job, including picks from ghd, BaBylissPRO, Dyson, T3, CROC, and SUTRA. For more from the same brand, see More from Bio Ionic below.
Where can I buy it?
Shop OnePass Styling Flat Iron 1.5-Inch with the Buy button when it is available. We may earn a commission from qualifying purchases. Prices and availability can change. You can also find it in our guide to Best Flat Irons for Curly Hair.
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T3
SinglePass Smooth X Flat Iron
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CROC
Masters Black Titanium Flat Iron 1.5-Inch
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SUTRA
Professional IR2 Flat Iron 1.5-Inch
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