Price: $34.99
(as of Oct 09, 2026 22:23:15 UTC – Details)
Product description
ONYX GLEAM by Terviiix — Salon Performance, At Home
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Terviiix Onyx Gleam Hair Straightener
Engineered for thick, coarse, and curly hair with professional-grade technology.
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Longer plate design for thick hair
30% Longer Ceramic Plates For quick styling & less damage.
Video credit by _therealcoko
From Frizz to Fabulous Glide smoothly trough hair and leaving it silky & frizz free.
Video credit by itssaleida_
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. leave frizz-free result
What Makes It Different?
4.7″ Extra-Long Plate
Our extended 4.7-inch plates (30% longer than standard irons) allow you to grab wider sections of hair from root to tip in one go. Cover more hair in one pass.
80 Million Negative Ions
Argan Oil & Keratin infused ceramic plates glide smoothly to condition hair. 80 million negative ions seal the hair cuticle, lock in moisture, and deliver smooth, frizz-free shine that lasts all day.
3D Floating Plates
Auto-adjusts to hair thickness for even heat distribution. No hot spots. No pulling. Just smooth, consistent results from root to tip.
Full Plate-to-Plate Contact
Our precision-engineered 3D floating plates deliver full plate-to-plate contact from edge to edge, ensuring every strand gets consistent heat and tension—even on the thickest, most stubborn hair.
11 temp settings with memory function from 250°F to 455°F, you’re in full control of your style.
The digital display shows your precise temperature, and the 90W heating system reaches your selected heat in about 20 seconds.
For thick, coarse hair, the high-heat option keeps your style long‑lasting.
1 Frizzy → Smooth Shine
2 Curly → Sleek Straight
3 Straight hair → Waves
Travel Ready
Still Hot? Still Ready to Pack.
The included silicone heat mat wraps right around the plates — store it the second you’re done. Zero cool-down time. Zero hassle.
Dual voltage (100-240V) means this straightener works in any country.
The 360° swivel cord keeps your workspace tangle-free, and the auto shut-off feature gives you peace of mind.
A heat-resistant pouch and styling glove are included, so you’re ready to go from day one.
Does this flat iron work on thick, curly, or coarse hair?
Yes—it’s built for it. The 1.75-inch wide, 4.7-inch extra-long plate covers more hair per pass, and 11 heat settings up to 455°F handle even the thickest, coarsest textures with fewer passes and less heat exposure.
What temperature should I use for my hair type?
Fine or color-treated hair: 250–350°F. Normal hair: 350–370°F. Thick or coarse hair: 380–430°F. Very coarse or tightly coiled: 430–455°F. Start low and go up if needed. The 11 digital settings give you way finer control than typical 3–5 heat options.
Does this flat iron damage hair?
Less than most. 3D floating plates prevent snagging, smart sensors keep heat steady with no hot spots, and argan oil plus keratin infused plates condition hair with every pass. Always use a heat protectant for best results.
Can I curl my hair with this flat iron?
Yes. The 4.7-inch extra-long plate lets you curl wider sections in one pass for more natural-looking waves. Rounded edges and smooth ceramic glide make it easy—just twist your wrist. Great for beach waves, loose curls, or flipped ends.
What makes this different from a regular flat iron?
Three things: the 4.7-inch plate is 30% longer than standard, so you finish faster. 80 million negative ions seal the cuticle—no frizz, just shine. And 455°F max heat handles stubborn, coarse hair that lower-temp irons can’t straighten.
Which Terviiix hair iron is right for you?
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Customer Reviews
4.5 out of 5 stars 72
4.5 out of 5 stars 561
4.5 out of 5 stars 561
4.3 out of 5 stars 925
4.3 out of 5 stars 925
3.6 out of 5 stars 72
Price
$34.99$34.99
$29.78$29.78
$29.99$29.99
$15.99$15.99
$15.99$15.99
$27.99$27.99
Plate/Barrel Size
4.7″ extra-long, curl-friendly
Standard, lightweight
Standard, lightweight
Mini slim plate, for bangs
Mini slim plate, for bangs
3/4 inch
Negative Ions
80M ions, zero-frizz shine
Ceramic heat, smooth results
Ceramic heat, smooth results
Ceramic
Ceramic
Ceramic
Temperature Control
11 Settings, 250–455°F
5 Settings, 320–450°F
5 Settings, 320–450°F
430°F
430°F
390°F/410°F/430°F
Best For
All Hair, Full-size Power
All Hair, Lightweight Daily
All Hair, Lightweight Daily
Short hair, bangs, on-the-go
Men’s hair, bangs, on-the-go
Root lift, Flips, Pixies, Bobs
Dual Voltage
✔
✔
✔
✔
✔
✔
Auto Shut Off
✔
✔
✔
✘
✘
✔
Swivel Cord
✔
✔
✔
✔
✔
✔
3D Floating Plates
✔
✔
✔
✔
✔
✘
Included Accessories
Glove + silicone wrap mat
Glove + nylon pouch
Glove + nylon pouch
Travel pouch
Travel pouch
Travel pouch/Clean Brush
Product Dimensions : 12.99 x 1.97 x 1.97 inches; 1.79 pounds
Item model number : FA100
Date First Available : December 31, 2025
Manufacturer : Terviiix
ASIN : B0GDMQRGL7
Best Sellers Rank: #139,410 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #431 in Hair Straightening Irons
Customer Reviews: 4.5 4.5 out of 5 stars (72) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
4.7-inch extra-long 1.75″ ceramic floating plates infused with argan oil and keratin, designed for thick, coarse, frizzy, and curly hair types. Glides through dense hair in one pass without snagging or pulling
80 million negative ions seal the cuticle for smooth, shiny results. 11 precise heat settings from 250°F to 455°F with LED display. Memory function recalls last temperature. Heats to 200°F in 20 seconds, reaches max in under 60 seconds
Worldwide dual voltage (100V-240V) with auto-adjustment for travel across US, Europe, and Asia. About 6.6ft 360° swivel cord prevents tangling during use. Auto shut-off after 60 minutes for safety and peace of mind
3D floating plate technology adjusts to hair thickness for even heat distribution from root to tip. Eliminates hot spots and reduces heat damage. Suitable for daily styling, straightening, and creating waves or curls
Includes ONYX GLEAM flat iron, heat-resistant silicone travel pouch, and user guide.
