Best Flat Iron for Thick Hair | Top 15 Flat Irons Comparison & Buyer Guide

If you have thick hair, a straight iron is your best friend when it comes to hairstyling. A flat iron is a great heat tool that not only allows you to straighten your hair but also helps you smooth out frizziness and make your hair more manageable.

Women with thick hair usually suffer from frizziness and their hair could easily become tangled and messy, a flat iron is a great remedy to this problem, it helps lay your hair down beautifully.

Flat irons come in all different sizes and materials, but some are more suitable for thick hair than others, and in this article, we will discuss the best flat irons that are best for thick hair.

List of Top 15 Flat Irons for Thick Hair

  1. Turboion RBB Croc Classic Straightener
  2. RUSK Engineering CTC Technology professional straight Iron
  3. CHI Expert Classic Tourmaline Ceramic Flat Iron
  4. FHI Heat Platform Plus Tourmaline Ceramic Pro Styler
  5. CHI PRO G2 Titanium- Infused Ceramic Flat Iron
  6. Elchim Natures Touch Hair Straightener
  7. KIPOZI Professional Titanium Flat Iron Hair
  8. The Bombshell Curl, Wave & Straight Iron
  9. Usmooth Professional Styling Iron
  10. HAI GOLD Convertible Premium Professional Flat Iron  
  11. BaBylissPro Nano Titanium Ultra thin Straightening Iron
  12. Hot Tools Radiant Blue Digital Flat Iron
  13. Bio Ionic 10x Pro Straightening and Styling Iron
  14. ghd Platinum + Professional Performance Styler
  15. T3 SinglePass X

Editor’s Choice: The Best Flat Iron for Thick Hair

  • The CHI Flat Iron produces an exceptionally high amount of negative ions, and Far Infrared, which reduces static electricity for that perfect style
  • Features a temperature dial for variable heat settings, floating plates for professional results, quick heat up, and a 9' swivel cord
  • Ideal for all hair styling, including straightening, smoothing, curling, waving, spiraling, flipping and bending.
  • 9 ft. Swivel Cord for convenience ; Dual Voltage for Convenient Travel

We have gone over all the best flat irons in the market, and after careful consideration, we have come to the decision that CHI Expert Classic Tourmaline Ceramic Flat Iron is the best flat iron for thick hair in our list.

It features tourmaline infused Ceramic floating plates, which are great for reducing heat damage and reducing frizziness. Ionic conditioning technology helps make the hair smoother and healthier, while the huge range of temperature settings allows you to be versatile.

Thick hair requires high heat and this flat iron can heat up to 410F, making it ideal for coarse and thick hair. It also includes a safety function of turning off after 1 hour. So if you are looking for the perfect straightener for thick hair, this is one of the best options for you. 

Buyer’s Guide to Select the Best Flat Iron for Thick Hair

1. Heat Settings

Thick hair usually requires high heat for straightening; therefore it is important to look for a Flat iron that offers a high heat setting.

The optimum temperature for straightening thick hair is 365 F, so always choose a Flat iron that heats up to at least 365 F and up to 450 F.

It is generally recommended that you do not go over the same section of hair again and again, and that is why it is important to have a high heat setting so that you do not damage your hair.

2. The material of the Plates

Flat iron plates can be made up of different types of materials, the most common materials are ceramic and titanium. The plates could be made either from one of these materials or from a mixture of both.

These materials are great for thick hair, as they are capable of holding high heat, and they allow the heat to distribute evenly, which ensures that the hair is not damaged in the process.

Ceramic or titanium plates glide through the hair without any resistance, which greatly reduces heat damage. Another material that is often used is tourmaline; it is a kind of mineral stone that is infused into ceramic to produce negative ions, which is great for reducing frizziness in thick hair. 

3. Size of the Plates

The size of the straightener determines the amount of hair that can go through the two plates in one pass. For thick hair, we obviously want a larger plate, so that more hair can be straightened at once.

The plates must be wide in order to ensure that all the hair strands get equal amounts of heat and get straightened effectively. The minimum plate size that one should look for is 1inch and the maximum is 1.75inch.

Top 15 Best Flat Irons for Thick Hair

1. Turboion RBB Croc Classic Straightener

The Turboion RBB Croc Classic Straightener is considered one of the most effective flat iron for thick hair. It features 1.5 inches titanium plates that can be heated up to a maximum of 450 degrees. 

Just one pass through each section is enough to produce a silky smooth result. It features a digital display screen, which shows the temperature, along with buttons on the bottom which allow you to change the temperatures according to your need. 

Turboion RBB Croc Classic Straightener also uses negative ion conditioning technology, which helps give thick hair a frizz-free silky smooth finish.

Key Features of Turboion RBB Croc Classic Straightener:

  • The ergonomic design paired with the swivel cord on the Turboion RBB Croc Classic Straightener makes it easier to use.
  • It has a safety feature of 30-minute auto shut-off, which is great for saving power. 
  • Whenever it is not in use, the temperature adjusts to 375 degrees, to also help save power.
  • This flat iron uses an innovative ventilation system that helps the plates to glide on the hair effortlessly.

2. RUSK Engineering CTC Technology professional straight Iron

The RUSK Engineering CTC Technology Professional Str8 Iron is one of the best flat irons for thick hair, because of it’s high heat settings, and titanium infused ceramic plates. This flat iron can heat up to 450F and it features a LED screen, which shows you the temperature. 

RUSK Engineering CTC Technology Professional Straight Iron has several buttons, two temperature control buttons, a power button, and a memory button, which will heat up the iron to the last temperature that it was used on. This flat iron heats up fast and helps you achieve silky smooth straight hair in no time.

Key Features of RUSK Engineering CTC Technology Professional Staight Iron:

  • The Turboion RBB Croc Classic Straightener is lightweight, weighing around 1.4 pounds, which makes it easy to use.
  • Different temperature settings available in this flat iron allow you to choose the ideal temperature for your thick hair.
  • The plates are made of titanium-infused ceramic and feature sol-gel technology, which helps the plates heat up evenly and to reduce heat damage.
  • RUSK Engineering CTC Technology Professional Straight Iron comes with convenient design and the swivel cords make it easier to use.

3. CHI Expert Classic Tourmaline Ceramic Flat Iron

This Flat Iron is one of the most versatile flat iron, it can not only be used for straightening the hair but also to make curls, waves, or spirals in the hair. 

CHI Expert Classic Tourmaline Ceramic Flat Iron features tourmaline ceramic plates which help distribute heat more evenly and produces an exceptionally high amount of negative ions which helps smooth out frizziness from the hair. 

It has a rotating button to control the different heat settings and it can heat up to 410F, making it perfect for thick hair.

Key Features of CHI Expert Classic Tourmaline Ceramic Flat Iron:

  • The 1-inch plates are perfect for thick hair as they allow more precision.
  • The high amount of negative ions help smooth out frizz and flyaways.
  • CHI Expert Classic Tourmaline Ceramic Flat Iron heats up in only 30 seconds and it features a 1-hour auto shut-off safety function.
  • The floating plates in this flat iron are great for achieving a salon-like finish for thick hair.

4. FHI Heat Platform Plus Tourmaline Ceramic Pro Styler

FHI Heat Platform Plus Tourmaline Ceramic Pro Styler is an excellent flat iron for thick hair. It could heat up to 450F, and the tourmaline-infused ceramic plates ensure your hair’s health by providing heat protection and negative ion conditioning. 

The plates are rounded, which allows you to create a variety of hairstyles, such as curls and waves, along with straightening. FHI Heat Platform Plus Tourmaline Ceramic Pro Styler helps you achieve silky smooth straight hair.

Key Features of FHI Heat Platform Plus Tourmaline Ceramic Pro Styler:

  • It has an ergonomic design and features a swivel cord, which makes it easier to use.
  • The tourmaline-infused ceramic plates produce negative ions which condition the hair and reduce frizziness from hair.
  • FHI Heat Platform Plus Tourmaline Ceramic Pro Styler has a temperature range of 140F to 450F, which allows for versatile styling options.
  • The 1.25-inch plates of this flat iron are perfect for styling thick hair.

5. CHI PRO G2 Titanium- Infused Ceramic Flat Iron

The CHI PRO G2 Digital Titanium Infused Ceramic Iron features 1-inch plates, which are perfect for thick hair. It has multiple buttons on it along with an LCD screen that shows the correct temperature on it. 

It comes with different buttons for power, controlling heat, and a mode button which helps you navigate through temperature presets for different hair types. 

CHI PRO G2 Digital Titanium Infused Ceramic Iron heats up in only 40 seconds and it can go up to a temperature of 425 degrees F, making it great for thick hair. It is a durable flat iron that lasts for years and gives your hair a silky smooth straight finish.

Key Features of CHI PRO G2 Titanium- Infused Ceramic Flat Iron:

  • CHI PRO G2 Titanium- Infused Ceramic Flat Iron can heat up to a maximum of 425F or 218C, making it ideal for all types of hair.
  • The presets modes are color-coded and appear on the LCD screen when you click the mode button.
  • Floating plates allow for better performance and a better finish for your thick hair.
  • This flat iron has dual voltage features which make it travel friendly.

6. Elchim Natures Touch Hair Straightener

The Elchim Nature’s Touch Professional Flat Iron is perfect for thick hair and is famous for providing professional results in just one pass. It has 11 different heat settings, which can be changed according to your hair type and needs. 

This flat iron has temperature ranges from 203F to 445F, giving you a wide range that is suitable for all hair types. 

Elchim Nature’s Touch Professional Flat Iron has a sleek design and a swivel cord, which helps avoid any tangles or mess. The floating plates produce constant even heat, which helps reduce hair damage. This flat iron will deliver pin-straight smooth hair and you can also achieve waves or curls with it. 

Key Features of Elchim Natures Touch Hair Straightener:

  • It has an auto shut-off function which will automatically turn off the straightener when it is not in use for 50 minutes.
  • Elchim Natures Touch Hair Straightener heats up in less than 20 seconds and delivers constant even heat, which helps keep heat damage at bay.
  • This flat iron can operate on universal voltage and, lightweight making it ideal for travel.

7. KIPOZI Professional Titanium Flat Iron Hair

KIPOZI Professional Titanium Flat Iron is a very good straightener for thick hair because it features wide plates and is capable of styling the hair at high heat. 

It features two buttons for increasing or reducing the temperature, along with an LCD screen which shows you the current temperature. 

The 1.75inch titanium floating plates heat up evenly to protect the hair from damage, and also helps glide through the hair more easily. KIPOZI Professional Titanium Flat Iron gives the hair a smooth and beautiful straight finish.

Key Features of KIPOZI Professional Titanium Flat Iron Hair:

  • It has a safety feature of 60 minutes auto shut off, which helps prevent any accidents and also helps save power.
  • This flat iron features a 8 foot long swivel cord for convenient usage.
  • The temperature can be set between 170F to 450F, giving you the flexibility to use it on ant type of hair.
  • KIPOZI Professional Titanium Flat Iron Hair can operate on dual voltage, hence it is perfect for taking with you on vacation.

8. The Bombshell Curl, Wave & Straight Iron

The Bombshell Curl, aka The Seductress, is an excellent straight iron for thick hair, because of its high heat styling. 

It has three different temperature settings meant for fine, normal or thick hair, which ranges from 370F to 395F, giving you the option to style not just thick hair, but all types of hair. 

The 1-inch Ceramic and tourmaline plates are perfect for creating smooth, glossy, straight hair. The even and consistent heat, paired with infrared heat technology is great for preventing heat damage to thick hair. 

The Bombshell Curl, Wave & Straight Iron is great for achieving a salon-finish style with minimal damage to the hair.

Key Features of The Bombshell Curl, Wave & Straight Iron:

  • Bombshell Curl, Wave & Straight Iron uses ionic conditioning technology to smooth out the hair while it is being styled.
  • It comes with heat protection gloves and an iron pad for convenience of use.
  • This flat iron helps you achieve your desired style on your thick hair with a single pass.
  • The flat iron automatically shuts off when it is not in use for a while, to conserve power and for safety.

9. Usmooth Professional Styling Iron

The Usmooth Professional Styling Iron is great for styling thick hair as it can heat up to 450F and features 1.5inch plates which allow more hair to be styled in a short time. 

Titanium-coated plates are great for reducing heat damage and for giving your hair a healthy shine. The iron will automatically turn off once it reaches its maximum heat to prevent it from overheating and from damaging the hair. 

Usmooth Professional Styling Iron ensures a sleek style with minimum damage and maximum shine to the hair.

Key Features of Usmooth Professional Styling Iron:

  • It will automatically shut off after 60 minutes of non-use to ensure nothing is burned or damaged.
  • This flat iron features a professional swivel cord, making it easier to use.
  • Usmooth Professional Styling Iron helps reduce frizziness in your thick hair while making them smoother.
  • The flat iron has a no-slip grip which makes it easy to hold and use.

10. HAI GOLD Convertible Premium Professional Flat Iron

The HAI GOLD CONVERTABLE Professional Flat Iron features 1.25 inch gold plates that heat up rapidly and gives your hair a silky smooth finish without any damage. It has a temperature range from 250F to 450F making it ideal for all hair types, including thick hair. 

HAI GOLD CONVERTABLE Professional Flat Iron uses infrared technology to protect the hair from damage while the tourmaline-infused ceramic plates condition the hair with negative ions to give you the ultimate salon-finish with no damage.

Key Features of HAI GOLD CONVERTIBLE Professional Flat Iron:

  • The tri-diamond ceramic technology helps minimize heat damage, while increasing shine to the hair.
  • HAI GOLD CONVERTIBLE Professional Flat Iron automatically shuts off after 60 minutes for safety and for saving energy.
  • The versatile temperature settings are perfect for all types of hair.
  • It heats up very fast and distributes the heat evenly throughout the plate.

11. BaBylissPro Nano Titanium Ultra thin Straightening Iron

This ultra-thin Straightening iron is surprisingly very good for thick hair, it effectively styles thick and coarse hair without straining your hands. 

BaBylissPro Nano Titanium Ultra-thin Straightening Iron can heat up to 450F and has 50 different heat settings, which makes it one an ideal flat iron for thick hair. 

Due to its thin body, it can be used to add detailed texture to the hair, and it is also perfect for adding curls and spirals to the hair. Its nano titanium technology allows the plates to heat up evenly and protect hair from damage, while delivering a pin straight style.

Key Features of BaBylissPro Nano Titanium Ultra thin Straightening Iron:

  • Nano titanium technology allows this flat iron to heat up very fast and evenly.
  • BaBylissPro Nano Titanium Ultra thin Straightening Iron comes with a lightweight body that makes it easy to hold and work with.
  • The 5 inch long plates are great for styling mre hair at the same time, making it an ideal choice for thick hair.
  • The titanium plates do not corrode easily, which makes the flat iron quite durable.

12. Hot Tools Radiant Blue Digital Flat Iron

Hot Tools Radiant Blue Digital Titanium Flat Iron is one of the most beautiful flat iron anyone can own, but apart from its own beauty, it is also very efficient at making your hair beautiful. 

The 1.5 inch titanium plates are perfect for thick hair and it heats up to 450F which is also great for styling thick hair. 

Floating plates on the Hot Tools Radiant Blue Digital Titanium Flat Iron allow the hair to have full contact with the plates, which makes styling the hair easier and more efficient. 

It features a LED screen which shows you the correct temperature and a soft grip for easy usage. This flat iron will give you silky smooth hair without any damage.

Key Features of Hot Tools Radiant Blue Digital Titanium Flat Iron:

  • The titanium plates are not only corrosion proof, they are also great for preventing heat damage to your thick hair.
  • The 8 feet swivel cord along with the soft grip is great for professional use.
  • It shuts off after 2 hours to save energy and for safety.
  • Hot Tools Radiant Blue Digital Titanium Flat Iron features universal voltage, so you can take it with you while travelling.

13. Bio Ionic 10x Pro Straightening and Styling Iron

The BIO IONIC 10x Pro Styling Iron is one of the most unique flat irons in the market. Its vibrating plates and sleek design all make it a very interesting flat iron. 

The vibrating plates are great for fast and efficient styling, while the rounded edge gives you more control over your hairstyle, making it the ideal flat iron for thick hair. 

Bio-ceramic heaters allow heat to distribute evenly and its negative ion technology drives water molecules inside your hair providing superior conditioning.

BIO IONIC 10x Pro Styling Iron features a digital display and heat control buttons which help you achieve the perfect temperature for your hairstyle. 

Key Features of Bio Ionic 10x Pro Straightening and Styling Iron:

  • The Bio Ionic 10x Pro Straightening and Styling Iron has an unique design and technology which is not only efficient, but also delivers great results.
  • With its negative ion generator, it helps condition the hair and prevents the hair from damage.
  • It has a feature of auto shut off after 1 hour which helps save energy as well as provide safety.
  • Its ergonomic design and swivel cord is perfect for both professional and personal use.

14. ghd Platinum + Professional Performance Styler

The ghd Platinum + Professional Performance Styler is an excellent flat iron for thick hair due to its innovative heat predictive technology which adapts to your hair texture automatically. It checks and adjusts the temperature 250 times every second, preventing the hair from heat damage. 

The ghd Platinum + Professional Performance Styler styles your hair at a constant temperature of 365F which is consistent across both the plates. 

The ceramic floating plates with a high gloss finish glide through the hair effortlessly giving you an exceptional shine and beautiful straight hair with no damage. 

Key Features of ghd Platinum + Professional Performance Styler:

  • It has an automatic shut off feature which will turn off the flat iron after 30 minutes of non-use.
  • The unique wishbone design of the ghd Platinum + Professional Performance Styler allows the plates to stay in contact with the thick hair for more efficient styling.
  • It features universal voltage, which means you can take it with you while travelling.
  • The ergonomic design and the 9 feet swivel cord is perfect for convenient use.

15. T3 SinglePass X

The T3 – Singlepass X Styling Iron is a sleek beautiful flat iron that is perfect for thick and coarse hair. It can style the hair with a temperature between 260F to 410F, making it perfect for all hair types, especially thick hair. 

The 1.5inch tourmaline-infused ceramic plates available in this flat iron provide ionic conditioning along with heat protection. 

T3 – Singlepass X Styling Iron is equipped with a microchip that maintains a constant heat across the plates and prevents them from overheating. As the name suggests, this flat iron gives you silky straight hair in only a single pass.

Key Features of T3 – Singlepass X Styling Iron:

  • Its tourmaline-infused ceramic plates help condition the hair with negative ions and help smooth out frizziness.
  • The T3 – Singlepass X Styling Iron features an internal microchip that helps maintain the temperature along the length of the plates.
  • It uses an audiovisual interface for adjusting heat settings for better results when used for thick hair.
  • The sleek design and the swivel cord make it ideal for both professional and personal use. 

Comparison of Top 15 Flat Irons for Thick Hair

Temperature RangePlate MaterialIonic ConditioningFloating Plates
Turboion RBB Croc Classic Straightener280F to 450FTitanium, CeramicYesYes
RUSK Engineering CTC Technology professional straight IronUp to 450FTitanium, CeramicYesNo
CHI Air Expert Classic Tourmaline Ceramic Flat Iron180F to 450FCeramic, TourmalineYesYes
FHI Heat Platform Plus Tourmaline Ceramic Pro Styler140F to 450FCeramic, TourmalineYesNo
CHI PRO G2 Titanium- Infused Ceramic Flat IronUpto 425FTitanium,CeramicNoYes
Elchim Natures Touch Hair Straightener200F to 455FTitanium, CeramicNoYes
KIPOZI Professional Titanium Flat Iron Hair170F to 450FTitaniumNoNo
The Bombshell Curl, Wave & Straight Iron370F to 395FCeramicNoNo
Usmooth Professional Styling IronUp to 450FTitaniumNoNo
HAI GOLD Convertible Premium Professional Flat Iron250F to 450FCeramicYesNo
BaBylissPro Nano Titanium Ultra thin Straightening IronUp to 450FTitaniumNoNo
Hot Tools Radiant Blue Digital Flat IronUp to 450FTitaniumNoYes
Bio Ionic 10x Pro Straightening and Styling IronUp to 450FCeramic, TourmalineYesNo
ghd Platinum + Professional Performance StylerAutomatic heat detectionCeramicNoYes
T3 SinglePass X260F to 410FCeramic, TurmoulineYesNo

Conclusion:

Thick hair is harder to style, and therefore you need to find the best tools to style such hair. Thick hair and coarse hair is one of the most difficult types of hair to straighten due to their stubborn nature.

These hair types require a higher heat, but high heat can cause damage so it is also important to reduce the damage as much as possible. Fortunately, there are many flat irons in the market which perform very well on thick hair and straighten it efficiently.

We have discussed the important things that you need to look for in a flat iron as well as the different features that each one of them has in this article. Now it is time for you to choose the one that is perfect for your hair and get started. Even with thick hair, you can always achieve shiny smooth, and beautiful straight hair.