If you have thick hair, a flat iron can help you achieve the look you want. A flat iron can be used to straighten, curl, and add shine to hair. We've rounded up the best flat irons for thick hair to help you find the right one for your needs. Here are some great options available.
$169.00
i received complimentary from the Dry Bar the Tress Press 1.25” Straightening Iron and although it was a gift this is my honest review the size is perfect as someone who has thick hair, i appreciate it! ...This straightener worked wonderfully with my thick hair!! I only had to pass it through once for it to fully straighten out my hair.
What it is: A dual-purpose iron allows you to quickly style even the thickest hair into super-sleek straight looks or add a bit of wave or curl.
Key Benefits: Smooths and Straightens, Shine, and Color Safe
What Else You Need to Know: The Tress Press Straightening Iron features titanium technology to seal the cuticle for less frizz and added shine, and infrared technology which heats hair from the inside out to help maintain healthy locks. It has digitally-controlled heat up 450°Fand a rounded edge for loose curls and waves. This straightening iron also features a 60-minute automatic safety shut off and a guaranteed two-year limited warranty.
$269.00
Awesome flat iron...The Gold Max 2” Styler is amazing. It works great on my thick hair and has shortened my styling time. I received this as complimentary and I love it....Amazing. Makes my thick hair soft and shiny in minutes.
$199.99
Easy to straighten coarse thick hair!!...I really love the extra thick plates for my thick long hair. It’s heat hot enough for my coarse thick hair, and I only need to do one pass when styling properly. ...great for thick hair!...gifted by T3 micro. I love this flat iron so much!! it’s so beautiful with a sleek design, and really works on my thick hair. it flattens better than many of my other tools and the style stays in my hair.
What it is: This styling iron delivers advanced heat precision in nine digital heat settings to straighten or style long, thick, or coarse hair in one pass.
Hair Type: Straight, Wavy, Curly, and Coily
Hair Texture: Fine, Medium, and Thick
Hair Concerns:
- Curl-Enhancing
- Frizz
- Straightening and Smoothing
Key Benefits:
- Ensures Advanced Heat Precision
- For Shiny, Frizz-Free, Long-Lasting Styles
- Style a Greater Surface of Hair
What Else You Need to Know: This styling iron is engineered with a smart microchip, nine heat settings, CeraSync™ Heaters, and T3 Rapid HeatIQ® Technology which delivers advanced heat precision for fast, beautiful results.
Clinical
$59.00
Downsize your hair tools!...Very travel-friendly and gets the job done but some post-straightening puffage with thick hair....I have very thick hair just past my shoulders, this little brush works wonders!
What it is: A compact and travel-friendly brush that creates a smooth, frizz-free look in one easy step.
Hair Type: Straight, Wavy, Curly, and Coily
Hair Texture: Fine, Medium, and Thick
Hair Benefits: Fights Frizz, Straightens and Smooths, and Adds Shine
What Else You Need to Know: The Baby Brush Crush features ionic technology to help seal the cuticle for less frizz and added shine, universal voltage, and a guaranteed two-year limited warranty. It heats up to an optimal temperature of 400°, and is great for touch-ups, flyaways, bangs, and shorter styles.
$499.00
Not for very thick hair. Doesn’t make hair slick...I have very thick wavy/curly hair and wanted something that would be very quick but this didn’t make my hair slick like I wanted it to be. ...My new favorite hair tool...I am absolutely shocked at how well this works. I have very curly, thick hair that I blow out weekly. This did the work of a blow dryer and flat iron in about 45 minutes.
What it is: A straightener that dries and straightens hair simultaneously so you can take hair from wet to a finished look—with one machine, no hot plates, and no heat damage.
Hair Texture: Wavy, Curly, and Coily
Hair Type: Fine, Medium, and Thick
Hair Concerns:
- Shine
- Straightening and Smoothing
- Volumizing
Key Benefits:
- Reduces time spent drying and styling by an average of 25%⁴
- Creates a natural straight finish for multiple hair types
- Engineered to maintain hair strength and protect shine
What Else You Need to Know:
Features:
- Airflow is projected downwards at a 45° angle to create the tension needed to align hair for a smooth end style — with
$269.99
This makes it easy to style my hair to suit my needs. It straightens my thick hair, with one pass! ...I really like this ceramic flat hair iron, to be honest at first it was kinda confusing to use it since is digital, but I got it quick,I like the different settings depending on your hair type.It gets hot really fast and It straightens my hair very quick and I have very thick hair.
What it is: T3 Smooth ID personalizes heat to shield hair against damage. Powered by T3 HeatID Technology, a smart-touch interface and 9 heat settings intelligently adjust to your unique hair.
Hair Type: Wavy, Curly, and Coily
Hair Texture: Fine, Medium, and Thick
Hair Concerns:
- Straightening and Smoothing
Key Benefits:
- Delivers personalized heat
- Creates smooth, shiny results
- Glides effortlessly
ITEM: 2816205
$399.00
Do not buy if you have thick hair...Air straight attachment doesn’t work if you have remotely thick hair. Not to mention, it left my hair dry and not shiny at all. ...Works for my long, thick hair!...I have very long, very curly and thick hair and the versatility with this system is incredible.
What it is: A luxury multi-styler with air straightening that includes FlexFusion™ Styling Tech for a wet to hot tool finish with no heat damage.
Hair Texture: Curly and Coily
Hair Type: Fine, Medium, and Thick
Hair Concerns:
- Frizz
- Straightening and Smoothing
- Volumnizing
Key Benefits:
- FlexFusion Styling Technology uses air and heated ceramic for hot tool results and no heat damage styling in wet-to-dry mode
- Hot tool results without hot tool damage: Create volume, body, bounce, and shine with up to 50% less frizz* and no heat damage* every time, any day
$99.00
It’s a pretty good styling tool and works quick !! I have long thick hair and I loved that it gets every single piece of hair...I love this. I have thick hair and it does work. I would recommend. 
What it is: A tool that dries, volumizes, straightens, and smooths hair with heated comb technology for a voluminous finish.
Hair Texture: Straight, Wavy, Curly, and Coily
Hair Type: Fine, Medium, and Thick
Hair Concerns:
- Frizz
- Shine
- Straightening and Smoothing
$499.00
Works Great For Thick Hair!...This product was gifted by dysonhair -As someone with thick hair, I am always on the hunt to find hair tools that can handle my hair type. ...I use the lowest heat setting and it dries and smooths her hair as if I used a regular flat iron!
What it is: A Dyson Airstrait™ that dries and straightens hair simultaneously so you can take hair from wet to finished look—with one machine, no hot plates, and no heat damage¹ .
Hair Texture: Wavy, Curly, and Coily
Hair Type: Fine, Medium, and Thick
Hair Concerns:
- Straightening and Smoothing
$189.99
my fav flat iron...This flat iron gets my 4a/3c keratin treated hair straight from root to tip. ...A MUST for coarse, thick hair straightening!...Once you get the hang of it, it truly is the BEST straightening iron out there. Still trying to perfect my curls, but hands down the only iron that can get through my crazy hair!
What it is: A styling iron that straightens, waves, and curls, creating smooth, shiny, and beautiful results.
Hair Type: Straight, Wavy, Curly, and Coily
Hair Texture: Fine, Medium, and Thick
Hair Concerns:
- Frizz
- Shine
- Straightening and Smoothing
Key Benefits:
- Creates shine
- Increases volume
- Controls frizz
What Else You Need to Know: This styling iron’s outer housing heats up, allowing you to straighten, wave, and curl—the perfect tool for any style. Nano Titanium™ plates deliver highly efficient heat transfer and instantly smooth and condition. The ion generator produces frizz-free shine.