Best Flat Irons for Thick Hair – Buying Guide 2020

Thick hair can be a blessing and a curse. There is no limit to the kinds and types of hairstyles and looks you can go for without damaging your hair, but straightening it can be a cumbersome task. The gorgeous, luscious thick hair is every girl’s dream until it isn’t. Choosing the right products and the best flat iron for thick hair can be a fuss. However, we have made the search easier for you by bringing together a review and buying guide that is designed to finding the best flat iron for thick hair. You no longer have to curl into bed and cry after a long and tiring process of styling your hair in a sleek, straight ponytail. Styling your hair with the best flat iron for thick hair will definitely take your styling game up a notch. Once you read through the reviews of various flat irons that we have made especially for you, be sure to go through the buying guide to learn all about what you need to do to straighten your hair to perfection. Finding the right appliance and best flat iron for thick hair will make you confident and completely change your world!

Best Hair Straighteners for Thick Hair

1. Panasonic Nanoe Hair Styling Iron EH-HS99-K Hair Straightener

Panasonic nanoe 1” Flat Iron for Healthy, Shiny Hair, Hair Styling Iron with Ceramic Plates and Intuitive Heat Technology, for Straightening, Smoothing and Curling – EH-HS99-K (Black / Rose Gold)
  • Your Style - Smooth, Shiny Results: 1” smooth ceramic plates makes it easy to use the EH-HS99 as a hair straightener or curling iron, for smooth, shiny hair in whatever style you choose – straight, curly or wavy
  • Healthy, Hydrated Hair: Unique nanoe technology draws moisture from the air, creating super-fine moisture-rich ions that penetrate the hair, for less damaged tresses, more shine, and less frizz
  • Even, Stable Heat: The ceramic flat iron plates maintain their temperature with even heat distribution for better styling; 5 heat settings
  • Style Hair from Roots to Ends: The compact straightening iron head reaches your roots while smooth ceramic plates use even tension to effortlessly glide over hair and smooth away frizz

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First on the list of the best flat iron for thick hair is the Panasonic Nanoe Hair Styling Iron. The Panasonic Nonoe maintains a consistent and even heat distribution through thick or coarse hair. If you are looking for a flat iron that can help you achieve a sleek and straight hairstyle, the Panasonic Nonoe is a perfect choice. Ensuring a high temperature of 395F, the best flat iron for thick hair will give you complete control over your unruly hair. The high temperature will remove any frizz or static and provide smooth results.

The Panasonic Nonoe comes with five different heat settings that can work on all hair types – thin to coarse. The Nanoe technology itself is crucial in making this the best flat iron for thick hair. On heating up, this feature releases particles that have a thousand times more water in them than regular negative ions released by other irons. The release of these particles gives your hair much-needed hydration and boost its brilliance by making it shiny and smooth. You no longer have to worry about burnt hair strands and imperfectly straightened thick hair. The Panasonic Nonoe has been designed to help you achieve all your hair styling dreams.

Another reason why this appliance is included as the best flat iron for thick hair is its ease-of-use. A classic black design that complements all aesthetics, the best flat iron for thick hair has light details that make you appreciate it more. Its ergonomically designed handle prevents your hand from burning when styling your hair. The iron makes it easy to access hair from all sides due to its 360 degrees’ range of tangle-free swivel cord. Worrying about using high heat on thick hair is now a part of the past.

Panasonic Nonoe’s ceramic plates ensure that your hair is heated evenly from all sides to prevent hair damage. A high level of manoeuvrability makes this flat iron the best flat iron for thick hair. Undoubtedly a wonderful professional flat iron, the Panasonic Nonoe lets you achieve a salon-like look and finish at home. Even though the flat iron is in a higher price range, it is a one-time investment that you will definitely not regret.

2. AmoVee Mini Flat Iron Smart Ceramic Tourmaline Hair Straightener

AmoVee Mini Flat Iron Smart Ceramic Tourmaline Hair Straightener Negative Ionic Technology for Travel, Black
  • [ Smart Flat Iron ] Mini Flat Iron delivers professional smoothing results on the go. It is working to help you achieve super-sleek, straight hair, polished curls or cascading waves, and the styling iron with floating plates helps you to create gorgeous looks.
  • [ Ceramic & Tourmaline ] With ceramic technology, the mini flat iron heats evenly all around, meaning no "hot spots" where a section might get hotter than another and burn or fry your hair. With tourmaline, it achieves ZERO sticking or pulling, and emits negative ions that help smooth the hair and eliminates frizz. Note: there's only one fixed temperature.
  • [ How Practical ] Mini flat iron comes with a heat resistant glove. Great for the nape section with bobs, face-framing, bangs, short hair, or pixie cut. If your boyfriend or husband has trouble with his beard getting wavy on the sides, this smart flat iron will be a great and perfect choice.
  • [ Small Portable ] Mini and lightweight, allows you to pack this iron to travel and on the go. Its compact size allows for easy storage. Elegance always come with you in your journey.

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Sometimes, brands take an unexpected route, and, somehow, it still works. The AmoVee Mini Flat Iron has definitely taken a different design. While most of us with thick and coarse hair look for flat irons with many different heat setting options, the AmoVee Mini Flat Iron the best flat iron for thick hair that does not provide that. You read that right! The trick to this flat iron is that it does not have an adjustable heat. Call it a marketing trick or an ingenious idea, but the only reason this iron is the best flat iron for thick hair is that it works. There is only one high heat setting. Luckily for women with thick and coarse hair, different and adjustable heat settings do not matter. All that is needed is a stable high heat distribution through the thick hair to make sure that the resulting straight hair is sleek and gorgeous. If you are one of the many people who enjoy using high heat straighteners for smooth results, this flat iron is the best option for you.

With such a high setting of heat, it is important that the heat is distributed evenly through hair. The ceramic plates that make this best flat iron for thick hair help in this process. To make sure that your hair is not damaged and that the hair looks smooth and silky after straightening, the ceramic plates play their role. If you’re tired of the flat iron cords that tangle and do not reach power outlets, there is no need to worry. The AmoVee flat iron has a swivel cord that is tangle-free. It has a safety lock that makes the appliance perfect for travel. No matter where you’re traveling, the compact-sized flat iron is the best flat iron for thick hair as it fits easily into your bag. Made of ceramic and tourmaline, the flat iron has a classic design that is easy to use, looks appealing, and works perfectly fine. You will no longer have to work with different heat settings and keep track of the temperature the iron is at. Ergonomically designed, the best flat iron for thick hair is one that gives flawless, straight hair.

One downside of this unique flat iron is that it does not have an automatic shut off feature to prevent overheating of the device. You will have to be careful about shutting it off once you have created a perfect hairstyle. The manufacturer of this appliance has included a protective glove. The heat resistant glove prevents hand burns and allows you to hold onto the best flat iron for thick hair. The flat iron’s V-shaped design prevents hair damage by allowing room for hair straightening. It also extends the product’s longevity.

3. Revlon Perfect Straight Smooth Brilliance Ceramic Flat Iron

Revlon Smooth Brilliance Ceramic Hair Flat Iron | Smooth Glide and Ultra-Sleek Sylas, (1 in)
  • CERAMIC COATING: Your secret weapon for a healthy looking finish. Ionic tourmaline helps fight frizz and create shine.
  • ERGONOMIC: Create beautiful straight or wavy styles with this lightweight, ergonomically slim-profile 1-inch flat iron.
  • COVERAGE: Extra-long plates provide a larger hair styling surface for more coverage and helps you quickly glide your way to new styling heights.
  • ALL HAIR TYPES: Complete styling flexibility and control with 15-second super-fast heat-up and 10 customizable high heat settings up to 455 F.

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Until a few years ago, quick hair styling was just a dream for many of us who had thicker hair. I remember trying to work through my hair at prom and having to pass the plates through my hair so many times, sweating and frustrated with the lack of results. For those of you who have suffered for a long time like me and now want to finally achieve that sleek, put-together look, the Revlon Perfect Straight Smooth Brilliance Ceramic flat iron is the answer to your struggles. It is no secret that thick and coarse hair can be hard to style. However, as the best flat iron for thick hair, the Revlon Perfect flat iron solves these issues with its ceramic plates that produce high heat that goes up to 455F. The ceramic plate disseminates the heat among your hair strands evenly, resulting in a smooth and silky finish. The high heat can take some time getting used to, and to find the right temperature for your hair.

The first step when you start using this flat iron is to begin working from the lowest temperature. Gradually increasing the temperature will let you understand the temperature setting on the best flat iron for thick hair that works for you. There is a total of ten heat settings that can be tracked with the help of ten digital LED variables. With just a look, you can make sure that you have chosen the right setting to start. 

Once the iron has been turned on, the Revlon Perfect starts heating up in a matter of seconds. Within just 15 seconds, the best flat iron for thick hair is ready to be used at its highest heat setting of 455F. The high heat setting allows thick hair to retain the hairstyle for a longer time. You will look ready to walk into a party with your lustrous, salon-worthy look.

It is no wonder that the Revlon Perfect is high up on the search of the best flat iron for thick hair. Designed ergonomically for ease of use, the Revlon Perfect has a large grip that allows you to hold on tight and have easy access to the hair on all sides. When you’re in a rush to get ready and out the door in the morning, the grip lets you work flawlessly on your thick hair. Quite often, in the activities of the morning, we forget if we had turned our flat irons off before leaving for work. Thankfully, the Revlon Perfect is the best flat iron for thick hair that comes with an automatic shut-off feature that will give you peace of mind and remove any worries about burning incidents or damage to the iron.

At the top of its handle, the high heat can make Revlon Perfect a bit hard to work with. The heat makes the top handle warm and uncomfortable. You need to keep this in mind when working at high heat settings to prevent scalding. Once you work with the best flat iron for thick hair, you will most certainly fall in love with the radiant and smooth hairstyle you made.

4. CHI G2 Ceramic and Titanium 1 1/4″ Straightening Hairstyling Iron


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Among the many other flat irons that you can find in the market, the best flat iron for thick hair is the CHI G2 flat iron. Featuring ceramic and titanium plates, the straightener is a perfect mix of hair care and hairstyling. The titanium heats up quickly, giving the high heat settings that are needed for styling thick and coarse hair. Additionally, the ceramic in the plates allows an even heat distribution to prevent any form of hair damage. So if you’ve been stressing over the best flat iron for thick hair, be assured that the CHI G2 flat iron will give you the frizz-free, long-lasting straight hair that you need.

It’s often hard to wake up in the morning and wait for the iron to heat up to your desired temperature. I am definitely not the kind of person who has the patience for that. The CHI G2 lives up to its claim of the best flat iron for thick hair as it reaches the highest heat setting in mere 40 seconds! This is not it. With the highest heat setting of 425F, your thick and coarse hair will now have the perfect salon-like, professional hair styling you’ve always wanted. And all of that can be achieved from the comfort of your home. The ceramic-titanium plates make the flat iron a long-term investment by contributing to its longevity.

Are you worried about overheating your hair and going longer or hotter than what your hair can stand? There’s no need to worry when you have the best flat iron around! With the CHI G2, you can monitor the heat setting and temperature of the plates on the large LCD digital display. Depending on whether it has reached the temperature setting you want to use or the setting that you choose, the monitor can even change colors! All you need is a glance at the best flat iron for thick hair to know how you’re doing. If you’re in a rush and don’t remember whether you’ve turned the iron off, no need to worry. The automatic turn off feature on this flat iron makes it safe to use, checks overheating of the appliance, and prevent any unfortunate accidents.

Its features are not all that makes it the best flat iron for thick hair. While the dominant color in the CHI G2 design is black, it also has golden plates and bright red control buttons that spice up the look.

5. KIPOZI Flat Iron 1 Inch Titanium Plates Professional Hair Straightener

On days when you need your coarse hair styled quickly, you often wish that you had the best flat iron for thick hair that could make all your worries go away. If this sounds like you, we have the perfect flat iron for you to buy. The Kipozi flat iron has so many features, and they are all designed to get you the sleek, straight look you were after. A generous high heat of 450F makes this the best flat iron for thick hair that you can find. The high heat makes the straight high-textured, thick hair last longer and gives a professional, salon-worthy finish.

Featuring titanium plates, the best flat iron for thick hair releases high heat that keeps all unruly hair and frizz in place. The flat iron also uses a ceramic heater. A ceramic heater allows the flat iron to reach its highest heat setting of 450F in just 15 seconds. Additionally, the ceramic heater prevents uneven distribution of heat through your hair and helps you manage it properly. One of the most damaging things that high heat flat irons can do is to distribute heat unevenly through your hair and result in severe hair burns, damage, and split ends.

Hair safety is not all the Kipozi looks after as the best flat iron for thick hair. It also has a feature for automatic shut off in case the user forgets to turn the iron off. While other appliances have 60 minutes turn off feature where they turn off automatically if they are not used for more than 60 minutes, the Kipozi takes longer. As the best flat iron for thick hair, the Kipozi understands that thicker hair takes longer to manage, which is why the switch-off feature has been timed to 90 minutes.

It can be hard to find the best flat iron for thick hair that caters to the needs of coarse hair and yet is easy enough to carry with you. Thanks to its dual voltage feature, the Kipozi gives you perfectly managed voltage no matter where you travel. One of the downsides of this flat iron is its design. The temperature and power buttons are placed in unlucky positions, often making it hard for the user to change the temperature without looking at the iron. Users have reported that they often accidentally flip the switches while working, which takes some time to get used to. Not a major deal-breaker, however, because once you get used to the placement of the buttons, you can effectively make use of its incredible features.

6. Remington S8598S Flat Iron

Remington Pro sensor technology flat iron Type: S8598
  • 3X Less Damage: Proprietary SmartPRO sensor technology helps prevent heat damage by automatically adjusting the heat based on the moisture levels of your hair for a completely customized styling experience versus standard Remington straighteners
  • 1 Inch Ceramic Floating Plates: Ceramic helps fight frizz and heat damage while the floating plates stay in constant contact with hair for an easy, smooth glide
  • Keratin and Almond Oil Infused Plates: Keratin and Almond Oil micro conditioners transfer to your hair during styling with no oily residue and last the life of the product
  • 15 Second Heat Up and 5 Digital Heat Settings: In just 15 seconds the 1 inch flat iron will be heated up and ready for you to style; Choose from 5 preset digital heat settings based on your hair type

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One of the most reputable brands in the hairstyling industry, Remington released the best flat iron for thick hair in the market. If you’re after quality and hair care, rest assured that you can never go wrong with Remington. The products created by the brand focus on different users, the latest technology, and ease of use. One of the many attractive features that Remington’s best flat iron for thick hair, S8598S has is its SmartPRO technology. If you’re the kind of person who loves experimenting with hair, hair products, and hair appliances, you will be well aware of Remington’s constant research and upgrade of its technology. The SmartPRO technology monitors the wetness of your hair and then automatically adjusts its temperature to suit your needs.

As the best flat iron for thick hair, Remington S8598S has the highest heat setting temperature of 450F, which is perfect for hard to style thick and coarse hair. There are five different settings available for users to choose between from the lowest to the highest setting. This allows you the freedom to see which temperature suits your hair type and texture best. Remington S8598S understands that no one has the time to sit and wait for irons to heat up. This is why it has 15-second heating up time that you can enjoy on those hectic workdays. No matter what the time or the hairstyle you are going for, the ergonomically designed handles give you the perfect grip to straighten your hair flawlessly. Plug the best flat iron for thick hair into the power, wait a few seconds for it to heat up, and enjoy a hassle-free, unfussy hair straightening experience. The self-adjusting heat feature due to SmartPRO allows the iron to be suited well to your hair condition. Remington claims that users’ hair faces three times less hair damage with the best flat iron for thick hair than with other similar or comparable hairstyling devices. With this flat iron, you can now place your trust in the appliance technology, and just focus on the innumerable styles you can try to make your hair look thick, lustrous, and beautiful.

Other features in the best flat iron for thick hair make it a simple, no-nonsense flat iron that can make your day! The flat iron cools down in no time at all. You will not have to wait for long periods to put it away. Additionally, it has a hinge lock that allows it to be compact and easy to carry during transport or travel. What makes this flat iron more manageable and a perfect investment for you is the complementary set of gloves you receive to prevent any burns. Simple operation becomes easier with this flat iron due to its long-range tangle-free swivel cord. Since the high heat can make the handle extremely hot, it is best to use protective gloves to prevent your hand from getting burned. To additionally benefit your hair, the Remington S8598S has plates that come infused with keratin and almond oil.

Buying Guide for Flat Irons

Once you decide to purchase the best flat iron for thick hair, there is a lot of things you need to decide about. Firstly, you need to learn about and understand specifics about your hair. These include the texture, length, and other aspects that will affect how your hair is styled. This article focuses on the best flat iron for thick hair and will give you tips about how you can use the product in a proper manner. To make sure that your hair is thick, take a hair strand between two fingers and see how that feels. The more you can feel the hair strand, the thicker it is.

Choosing the Best Flat Iron for Thick Hair

Right Temperature for Thick Hair

Finding the precise temperature that flawlessly straightens thick hair is impossible until other hair specifics have been determined. Generally, however, it is believed that a hair straightener should optimally have a temperature range of around 350F to 450F. For thick hair that is sensitive and breaks easily, it is better to choose the best flat iron for thick hair to keep the heat somewhere around 350F. The best flat iron for thick hair, on the other hand, can achieve a high temperature of 450F and be used on healthy thick hair. Coarser and thicker hair requires more heat to be tamed into a flawless, lustrous hairstyle. This is one of the main reasons why adjustable flat irons are preferred by many of the users. The adjustable heat settings give more control over the amount of heat that is used on hair.

Many of the modern appliances and the best flat iron for thick hair come with the option of modifiable heat settings. This feature does not cost an expensive investment. While a lot of flat irons give an option of several settings that can be used, only a few let the user work the temperature dial. However, as long as you have a range of adjustable settings that you can work with, the flat iron will take good care of your hair.

Choosing the Right Plate Material

The best flat iron for thick hair should have perfectly designed plates that allow quick heating and even distribution of heat through hair. One of the most critical components of a flat iron, the plates do the real job of hair straightening. Picking the right type of flat iron based on the right plate type is important. Two of the most common materials used to make plates in the best flat iron for thick hair are:

  1. Titanium: A durable material that takes almost no time to heat up, titanium is often used to make the plates for flat irons. If you have thick and extremely coarse hair, using a titanium-plated flat iron will help you straighten your hair more efficiently. The straightening effects also last longer due to the incredibly high temperatures that can be reached with the help of titanium. Negative ions released when titanium heats up help remove any frizz and static present in the hair.
  2. Ceramic: Ceramic is a material that is widely available. Additionally, many manufacturers also choose to make their flat irons out of ceramic due to its affordability. To prevent any hair burns and scalding, the ceramic plates evenly distribute heat through thick hair for flawless results.

The Best Plate Size

When choosing the best flat iron for thick hair, another thing that you should be considering is the right plate size. The plate size of a flat iron means the width of the ceramic or titanium plates. While hair straightening appliances and devices come in many different sizes and widths, the best flat iron for thick hair will usually have a standard one-inch-thick size. For hair that is thick, but not much, a one-inch flat iron will work perfectly fine.

Length of the hair is another important factor that needs to be considered when choosing the right flat iron. If the hair is longer, there will be a need for bigger plates. Bigger and wider plates help speed up the process of straightening hair and make it easier to manage hair that can often be unmanageable.

The main idea behind choosing the right flat iron for your hair is to consider the length of your hair and its characteristics. Long and thick, unmanageable hair cannot be straightened by an appliance that is small in size. It will take a much longer time to do that job and be just tiresome overall. Similarly, trying to straighten shorter hair with wider plates will be unfeasible as the sections of hair will not be properly straightened. For moderately long hair, a one-inch or 1.5-inch wide plate will be perfect. Another thing that you can consider when choosing the best flat iron for thick hair is to try flat irons that have interchangeable plates. This would give you a greater range of plates that you can use as you see fit.

Tips to Straighten Thick Hair

Using a Heat-Protective Spray

Although thick hair is generally stronger when compared to fine hair, there is a greater chance for it to go dry. This property makes it more susceptible and sensitive to any form of heat damage, especially one caused by hairstyling appliances. Using a heat-protective spray lessens any chance of hair damage. You can find several sprays in the market that claim to lessen the effects of appliance heat on hair. Hairstyling experts state that using a natural heat-protective compound like argan oil promotes hair health, boosts its brilliance, and keeps thick or coarse hair protected from damage. Use argan oil before styling your hair with the best flat iron for thick hair for desired results.

Moving from the Roots to the Ends

Once you have decided on a suitable hair straightener, you should wash and dry your hair before you decide to style it. Once you have prepped your hair, turn on your appliance. The best flat iron for thick hair needs to have higher heat settings, which often means that the appliance is corded. Make sure that you have positioned yourself in a place where the power outlet is nearby. Choose the lowest possible heat setting on the straightener to start. To reach the right temperature setting, work the heat up until you find the right settings. Segment your hair into different parts that will allow easy straightening. By dividing your hair, you can access all segments to create a flawless style. Test the temperature and straighten one segment of hair at a time. One important thing to consider during the straightening process is to go from the roots to the ends of your hair.    Lift each hair segment with your hands to place the best flat iron for thick hair close to the roots of your hair. From there, pass the plates to the ends to make sure that you achieve a sleek, perfectly straightened hairstyle.

Using Natural Methods for Boosting Hair Straightening

Thick and naturally curly hair often does not retain the straightening effects of flat irons for long. If you are unsatisfied with the longevity of the results delivered by the best flat iron for thick hair, there are many ways in which you can naturally boost your hair’s ability to stay straight for longer. Some of these ways are:

  1. When you wash your hair, comb through it and divide it into two different sections. Make sure that the hair is tight and wrap it around your head. The perfect way to wrap your hair is to take the left section and bind it around, starting from the back of your head. Hold the hair in place with pins and repeat on the other side.
  2. While you sleep, use elastic bands to secure your hair in place. Form ponytails in your hair after it has been washed and combed. Make sure to not fasten elastic bands too tight. Form ponytails with elastic bands and keep space between two bands.
  3. Another way to make sure that your hair looks perfectly straightened for longer, boost hair volume during blow-drying by turning it upside down.

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