Best Flat Iron For Thick Coarse Curly Hair

Coarse and thick curly hair are hard to straighten. With this type of hair, you won’t be able to achieve good results with just any flat iron, so you need to do some research to find the right flat iron so that you won’t end up disappointed with your daily curling.

Our team has performed research and market research so that you can find the best flat irons without spending any of your time. There are 3 best flat irons available for thick, curly, coarse hair, and each one is listed with a specific attribute so you can get an even better idea of each.

3 Best Flat Irons For Thick Coarse Curly Hair

  1. Best Overall :HSI Professional Glider | Ceramic Tourmaline Ionic Flat Iron
  2. Best Premium :BaBylissPRO Nano Titanium 1″ Ultra-Thin Straightening Iron
  3. Best Budget :Remington S5500 Anti-Static Flat Iron with Floating Ceramic Plates

Best Overall :HSI Professional Glider | Ceramic Tourmaline Ionic Flat Iron

The first and most popular ceramic flat iron nowadays is the HSI Professional Flat Iron. This ceramic flat iron from HSI is designed with a tourmaline-infused ceramic plate, which generates negative ions that allow water molecules to penetrate into the hair shaft. The Heat Balance technology uses 8 micro-sensors to evenly distribute heat, regulating the temperature so you don’t have to waste time applying heat.

As a result of this, straightening takes less time, which prevents damage when styling. In addition, a 1-inch plate width gives you plenty of room to style your bangs, even though it is wide enough for any length of hair. With its floating plates, this iron allows you to flip your hair, curl it all the way around, or straighten it with a single iron.

A unique feature of the HSI Flat Iron is it’s 110/220 worldwide dual voltage, making it perfect for traveling. The cord has a 360 swivel and is extra-long to prevent tangling or damage, and it is designed to save you time while styling your own hair.         

Wide Temperature Range: It heats up in seconds with a temperature range from 140°F up to 450°F, allowing you to choose the most appropriate temperature for your hair type. This reduces the potential for hair damage, while also making the styling more efficient.

Aside from being packed with features, it is very inexpensive, with a warranty that lasts for a year and a satisfaction guarantee made with it.

Quick Specs

  • Micro-sensors: 8
  • Temperature:  140-450°F
  • Color: black
  • Brand: HSI professional
  • Power source: corded electric
  • Item weight: 1 pound


  • The cord is very long
  • An appropriate weight, neither too light nor too heavy
  • It Is easy to grip since the handle is textured
  • Heat glove (which prevents finger burns) is a great bonus


  • The temperature knob is not located in an easy-to-access place
  • 1-inch plate width may appear small to some people
  • There is no auto shut-off

Best Premium :BaBylissPRO Nano Titanium 1″ Ultra-Thin Straightening Iron

In case you have a good budget, we recommend that you go for this flat iron, which has titanium technology instead of ceramic, which makes a lot of difference, especially if you have coarse thick hair. We do not only recommend BaBylissPRO based on its titanium technology, but also on its brand reputation and product quality.

To compete with its rivals, this Nano titanium beast has many attractive features. The titanium plates on this device are extremely powerful and can be used to straighten a variety of hair types.

In addition to its huge power, this device is small, so you won’t have any problem carrying it around while you’re traveling. However, it will not be able to work internationally (due to its dual voltage).

The device features 50 heat settings and a temperature of 450F, so you can choose your desired temperature according to your hair type, and get an even more precise result. This styling tool features 5″ plates to accommodate larger sections so you can straighten your hair faster. It features a slim design that is ultra lightweight to reduce hand fatigue while you style. It is very easy to use the ceramic heater instant heat in order to prepare your flat iron for a quick job, so you won’t have to wait long for it to heat up.

Quick Specs

  • Size:  1 inch
  • Weight: 16 Ounces
  • 50 Different Heat Settings
  • 450°F High Heat
  • Item Dimensions: 12 x 1.25 x 7 inches


  • Temperature can be adjusted
  • A very slim and incredibly easy to use product
  • Cord is quite long


  • There is no automatic off switch
  • Temperature dial is only numbered from 1-5, not showing actual degrees
  • Because the iron heats up as well, a hot iron glove is an absolute must

Best Budget :Remington S5500 Anti-Static Flat Iron with Floating Ceramic Plates

The Remington S5500 is the second-best choice if you’re on a budget or if you seek a good ceramic flat iron at an affordable price. There’s no doubt the Remington s5500 offers amazing features for a price that’s hard to beat.

Remington’s anti-static flat iron reduces negative particles by 50% during styling, resulting in 50% less static and flyaway hair. These titanium-coated ceramic plates can be heated up within seconds, creating a smooth glide. The 1-inch plates are 30% longer for proper control and quick styling. With a range of six heat settings between 310°F and 410°F, the digital touch screen makes it easy to find the right temperature for your hair type.

This high-heat straightener works quickly to straighten hairs with each pass, protecting your hairs from too much heat exposure. You can avoid any potential fire hazard by operating the flat iron with the 60-minute automatic shut-off feature.

The 360° swivel cord keeps you comfortable at any angle. A simple press of the “+” button activates the turbo boost function to quickly boost the flat iron to its highest heat.

Quick Specs

  • Size: 1 inch
  • 6 Different Heat Settings
  • 30 Second Heat Up
  • 410°F High Heat
  • LCD Temperature Display
  • Voltage: 120V
  • Item Dimensions: 1.13 x 1 x 11.75 inches


  • Automatic Shut Off feature
  • A digital control system
  • Compared to others, it is very cheap
  • The Anti-Static Technology
  • The plates are very close together
  • It heats up very quickly


  • Temperature options are limited
  • The digital screen does not light up
  • It smells a little bad when you turn it on

A guide to choose a flat iron

The market of flat irons is crowded with many brands, but choosing the right one can be tricky and time-consuming. Because of the various variations, the different working ways, and the different technology inside the iron, there are many differences as you need to adjust to. So wisely and carefully Choose products that are best for your hair type. The flat iron category has many articles about various types of flat irons for different types of hair. 

Our article has discussed a few important things to consider when  looking for a flat iron.


You should pay attention to temperature as it is the first and most significant factor since it plays a very significant role in providing the required heat.

Choosing a flat iron with the right temperature for your hair type will result in a sleek, healthy look. Additionally, temperature settings are important, since more options mean greater flexibility, which makes it easier to set the exact temperature. What makes this factor so important? For example, if you choose high temp flat irons for thin hairs, they are sure to damage them since the temperature is more than sufficient.


The second point to consider is your budget, since all of us are not able to attend salons every week, because they are quite expensive when compared to your own flat iron, which only requires a one-time investment and electricity usage.

Therefore, if you choose not to spend so much money on chemical treatments, you will have a greater chance of getting a top quality flat iron at a lower cost. In order to stay on a budget, we recommend buying flat irons that are less than $50. If you compare it with a beauty salon or chemical treatment, which may require serious money, it is a less expensive option. By purchasing a budget friendly flat iron, you can maintain a great hairstyle, reduce your money spent on chemical usage, and save time while at the same time maintaining a great appearance.


Weight has a very strong relation with ease because if you have a less weight flat iron definitely you will not get tired easily and get your work done without much stress. On the other hand, if you choose a bulky flat iron it may drain your energy fast and you will get tired enough to not complete your task in one go. So weight is another most important factor that you need to consider if you are going to buy a flat iron for your hair.

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