Best Flat Irons & Hair Straightener in 2021 – 12 Top Sellers

The New Year is almost here, and it is time to start searching for the best flat iron 2021. While the hunt for the best flat irons never really ends, we’re sure that you’re looking forward to a better year ahead and a stronger hair game. Over the last year, a lot of well-known brands have come forward with excellent high-quality products that can work on all sorts of hair types and textures. The best flat irons are designed to meet all hairstyling needs, which is why most of the best hair straighteners 2021 you will find on this list have a duo styling feature. You can use the best flat iron 2021 to create the perfect beach waves, rock a sleek, curly or straight hairstyle, and even style your bangs to perfection.

When working with new hair styling tools, it is important to make sure that the heat is spread evenly through your hair strands and is adjustable. Our list is designed to free you of all these worries. Almost all the best flat irons are made with sturdy materials that provide you with the ease and comfort to style your hair from anywhere. With these hair straighteners, there is no end to the number and types of gorgeous hairstyles you can create.

12 Best Flat Iron 2021 Reviews

1. BaBylissPRO Nano Titanium Ultra-Thin Straightening Iron

BaBylissPRO is known as the world’s leading manufacturer of innovative and high-performance styling tools that give professional results. Hairdressers, barbers, and other hairstyling professionals all around the world choose BabylissPRO tools due to their high versatility and durability. The BaBylissPRO Nano Titanium Ultra-Thin straightening iron is undeniably the best flat iron 2021.

One of the many reasons why this tool is included in our list of the best hair straighteners 2021 is because it is lightweight and extremely easy to use. As one of the best flat irons, its extended 5-inch long plates allow you to straighten wider sections of hair for efficient styling. The best flat iron 2021 features 50 different heat settings that go up to 450F. Its smooth titanium plates can conduct ultra-high heat and resist any corrosion. The best flat iron lets you create silky straight or flawlessly wavy hairstyles without any hand fatigue.

This high-tech iron has an ultra-thin profile to help you work through your hair effortlessly. As the best flat iron 2021, the BaBylissPRO Nano Titanium Ultra-Thin straightening iron is available in three different widths, which are 1-inch, 1.5-inch, and 2-inch to provide styling flexibility.

  • Smooth titanium plates conduct high heat and resist any form of corrosion.
  • Faster straightening process with the 5-inch extended plate.
  • Highly variable, fifty heat settings go as high as 450F.
  • The flat iron has a slim design and is lightweight, creating maximum comfort.
  • Some hair gets stuck in the plates at times.
  • The power button is on the side and can be turned off by accident.

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

Another one on the list of best flat irons, the KIPOZI titanium flat iron gives you an effortless salon-like look. The best flat iron 2021 has an advanced PTC ceramic heater that ensures an optimum styling temperature for your hair at all times. KIPOZI titanium flat iron is the best hair straightener 2021 due to its higher colour protection and up to 80% less hair breakage. The best flat iron 2021 emits negative ions that tame your hair and transform it into a sleek and shiny hairdo.

The best flat iron 2021 temperature settings are easy to understand and go as high as 450F. You can adjust the heat to suit your hair type and texture. Whether your hair is fragile and damaged or healthy, the best flat iron 2021 will leave your hair looking polished and flawless. One of the best flat irons is crafted with two titanium plates that deliver even heat. The 3D floating plates are gentle on your hair and their 1-inch width allows you to straighten or curl any hair length as well as bangs. After 90 minutes of inactivity, the best flat iron 2021 turns off automatically. You can take one of the best hair straighteners 2021 anywhere in the world due to its dual voltage feature, travel velvet pouch, and an 8 feet long swivel cord that makes styling easier.

  • Advanced PTC ceramic heater makes hairstyling easier and efficient.
  • 80 percent less hair breakage and more colour protection.
  • Safety automatic shut off feature after 90 minutes.
  • Dual voltage and 360 swivel cord make it perfect for travel.
  • Bulky and can cause hand tiredness with longer use.
  • Short metal plates make it difficult to style hair quickly.

3. Furiden Professional Hair Straightener

The Furiden Professional Hair Straightening Iron is the best flat iron 2021 with its directional switch one design. With the touch of one button, you can rotate it clockwise and get ultra-smooth silky hair with the salon-worthy high heat. One of the best hair straighteners 2021, Furiden uses MCH, which is a new heating standard among hair appliances. The flat iron-curler duo heats up in only 15 seconds, saves energy, and has a significantly lower hair styling time as compared to similar tools. The hairstyle lasts longer and is more durable.

When styling your hair with the best flat iron 2021, you do not need to worry about any tugging or breakage, The 360 degrees swivel cord and floating plates allow a smooth and hassle-free styling experience. Its floating plates have curved edges that give you greater control over the styling process.

The Furiden hair straightener is also a great choice for travel. The 2-in-1 hair straightener and curler has a dual voltage that can be used anywhere in the world. The best flat iron 2021 comes with a bag, salon comb, a heat resistant glove, and 2 salon hair clips.

Better than an average curling iron, one of the best hair straighteners 2021 can now help you live your dream of healthy, bouncy curls.

  • One step directional switch feature makes it easier to work with.
  • 15 seconds of heating time and 5 adjustable heating settings.
  • Great for travelling with its dual voltage feature.
  • Can curl and straighten hair of all types.
  • A loose grip on hair makes it difficult to work with.
  • Can snug and tug at hair.

4. ghd Classic Original IV Hair Straightener

The ghd classic original IV hair straightener is the best flat iron 2021 as it creates everyday hairstyles that are sleek and smooth. One of the best hair straighteners 2021 uses ceramic heat technology to deliver an evenly spread heating of 365F. Its optimum styling and perfect results make it the best flat iron 2021. Simple, effective, and iconic, its rounded barrel and the floating plates glide effortlessly through the hair to give you a flawless salon-like hairdo. With the best flat iron 2021, you can create easy hairstyles wherever you are. It is a professional hair straightener that will give you sleek styles with enhanced shine every time.

The optimum styling temperature of one of the best flat irons is achieved within only 30 seconds of heat up. The best flat iron 2021 has universal voltage, which makes it a perfect companion for any trip. In case you forget to turn the iron off, its extra-safety automatic sleep mode turns the hair straightener off after 30 minutes of inactivity. This product by the award-winning hair styling brand comes with a 2-year guarantee, a protective plate guard, and a 9-feet swivel cord that makes styling effortless and gives you a flawless makeover.

  • Professional hair straightener with ceramic heat technology.
  • Optimum styling temperature is 365F with minimum hair damage or breakage.
  • Automatic sleep mode after 30 minutes of non-use
  • 2-year ghd manufacturer’s guarantee and a 9-feet swivel cord.
  • Does not work on much coarser hair.
  • Low life expectancy due to rotating electrical connection. 

5. VANESSA Straightening Iron

When looking for the best flat iron 2021, the Vanessa Professional Titanium Flat Iron Hair Straightener and Curler needs a mention. With the world’s longest heating plate, the best flat iron 2021 provides you with a faster time in straightening. The release of negative ions helps make your hair look silky, smooth, and conditioned. One of the best hair straighteners 2021 is damage-free, helping you retain the moisture in your hair and enhancing the quality of your hair in the long-term.

The Vanessa professional flat iron is the best flat iron 2021 due to its sturdy materials and durable design. Like the other best flat irons in this list, the dual voltage and automatic shut off features make this tool quite handy and perfect for travel. It is perfect for all types and textures of hair, whether straight, curly, healthy or damaged. The best flat iron 2021 has an invisible screen that shows up after you turn the tool on. Then you can choose the proper settings for your hair between 265F to 450F.

One of the best flat irons, the Vanessa flat iron is extremely easy to use due to its Human-factor Engineering Designed Shape. This relaxes your arm while you style your hair. The best flat iron 2021 gives you options to get silky-smooth straight hair as well as gorgeous bouncy curls with only one tool.

  • High-quality flat iron made of nanometer silver and titanium.
  • Adjustable heat settings from 265F to 450F.
  • Luxurious and elegant design.
  • 360-degree swivel cord and dual voltage feature.
  • Some thicker hair types cannot be styled with the product.

6. HSI Professional Glider

The luxurious look and feel of the HSI Professional Glider undoubtedly make it the best flat iron 2021. Providing dramatic results on even the most coarse hair types, one of the best hair straighteners 2021 can be used to straighten, curl, and flip your hair effortlessly.  The simple and fast process is further made better due to the micro-sensors in the best flat iron 2021 that prevent hair damage. The 8 HeatBalance micro-sensors regulate temperature and evenly distribute heat. The best flat iron 2021 is designed with tourmaline and ceramic crystal ion plates that give a silky finish to your hairstyle.

The HSI Professional Glider eliminates frizz in your hair with its adjustable heat settings that can go from 140F to as high as 450F. These settings give you greater control and better results. A perfect travel companion, the best flat iron 2021 has worldwide dual voltage and great room for movement with its 360-degree swivel cord. Its 1-inch wide plate is wide for all hair types and narrow enough to style your bangs perfectly. Available in red or white packaging, one of the best flat irons comes with a style guide, one year warranty, and a travel-size argan oil hair treatment for smoother hair.

  • High-quality ceramic plates that use 8 HeatBalance micro-sensors to regulate temperature.
  • Highly adjustable heat from 140F to 450F.
  • Can style hair by straightening, flipping ends, and curling.
  • Dual voltage and 360-degree swivel cord make it easy to use and travel.
  • A loose grip on hair makes the tool difficult to work with.
  • Is not long-lasting and durable.

7. HOT TOOLS Professional Black Gold Micro-Shine Flat Iron

Hairstylists love the HOT TOOLS Professional Black Gold Micro-Shine Flat Iron. The best flat iron 2021 helps smooth hair, and style it by making curls, creating beach waves, flip ends, and form pin curls. No matter what style you have in your mind, the one-inch plates make styling perfectly easier. The Black Gold finish creates even heat distribution through the use of 24k gold on its plates. One of the best hair straighteners 2021, the titanium and ceramic infused plates give a Micro-shine finish to all hair types. Smooth and effortless gliding of the hair through the best flat iron 2021 means less hair breakage and pulling.

Its corrosion-resistant design makes the tool highly durable. The Special Pulse Technology used in the best hair straightener 2021 heats the tool quickly and gives uninterrupted styling. The temperature of the plates goes as high up as 455F. A digital display gives you constant updates on the temperature. The unique rounded plate edges on the best flat iron 2021 give you greater flexibility to achieve your perfect hairstyle. The soft-touch outer finish makes the process of styling your hair much easier. An automatic shut off feature on the best flat iron 2021 gives you peace of mind if you forget to turn the iron off after use. The universal dual voltage makes it your go-to travel partner. 

  • Proprietary Black Gold styling surface promotes even heat distribution and consistency.
  • Universal Dual Voltage makes it great for travel.
  • Soft Touch finish provides a comfortable grip.
  • Pulse Technology Gets Hot and Stays Hot and easy-to-read digital LCD temperature.
  • Rounded plate edges for styling variety and multi-directional floating plates provide full contact for hair.
  • Inconvenient placement of the power button inside the straightener.
  • There is no safety lock and the tool is bulky.

8. BESTOPE Hair Straightener and Curler 2 in 1 Flat Iron

This light purple BESTOPE Round Flat Iron glides effortlessly through your hair. It delivers heat faster and keeps your hair looking sleek and gorgeous. The best flat iron 2021 helps you save time and energy with its extra-long tourmaline-ceramic plates. The MCH smart temperature feature in one of the best hair straighteners 2021 helps the iron heat up in only 15 seconds.

Perfect for all kinds of hair types, this 2-in-1 hair straightener has 6 adjustable temperature settings from 265F to 450F that can suit your hair type and texture. The 3D floating plates on the best flat iron 2021 make your hair silky and smooth by compressing your hair, reducing all hair friction, and ionic frizz-free technology for the perfect, flawless curls.

One of the best flat irons on this list, the Bestope Professional 1-inch flat iron is your best choice for travelling. It has a detachable power supply as well as a plate lock that saves a lot of storage space. The dual voltage design makes it easier to use everywhere. The real-time temperature display helps you become more precise with the temperatures you’re using. After 60 minutes of inactivity, the automatic shut-off feature comes in handy to turn the iron off. You will get a bag, 2 clips, and a heat protection glove with this product.

  • MCH heating technology takes 15 seconds to heat up.
  • Clear and easy-to-read LCD-display.
  • The plate lock protects the plates during storage.
  • Detachable power supply and dual voltage make it convenient for travel.
  • Inconvenient placement of power button.
  • Requires a stronger grip to effectively style hair.

9. NITION Professional Salon Hair Straightener

The champagne gold 2-in-1 hair straightener has a ceramic-coated plate that is infused with tourmaline, ceramic, nano-silver, and argan oil to give you a sleek and shiny look. The natural moisture of your hair will be locked in with the best flat iron 2021 and its floating plates will prevent any hair pulling and damage. Its revolutionary design helps you create your best looks by only rotating it to turn the power on. Rotating in the opposite direction decreases the temperature and helps you power it off. The best flat iron 2021 has 6 Digital LCD Precise temperature options from 265F to 450F for all types of hair.

One of the best flat irons, the Nition Professional Salon Hair Straightener has an extra-long heating plate that gives more contact area to your hair. This reduces styling time. The MCH Heating Formula has a 10 second heating time that helps calibrate temperature automatically. One of the best hair straighteners 2021, it has a dual voltage feature that can be taken anywhere in the world for use. The automatic 60-minute shut-off feature prevents any form of accidents due to overheating.

  • 3D flexible heating plates prevent hair breakage.
  • The Non-Stick Technique helps smooth gliding.
  • Heating Plates Lock Switch for protecting the heating plates.
  • Simple One-Step Operation by Rotating design makes it easier to use.
  • The temperature dial can be difficult to set.

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

CHI hairstyling irons are well known as some of the best flat irons for all kinds of hair. Like all the other hair straighteners, the CHI PRO G2 flat iron helps you create silky, frizz-free, and shiny hair instantly. The best flat iron 2021 has a stylish, modern, and ergonomic design that offers you renowned reliability. Loaded with the most recent and advanced technology, one of the best hair straighteners 2021 offers superior performance and great customization options. The all-digital display lets you have more control over the styling of your hair without burning your hair strands. The quick 40 seconds heating time lets you reach a temperature of 425F for professional results.

The best flat iron 2021 has floating ceramic plates that prevent tugging and snapping of hair, giving you a smooth styling experience. They have been infused with high-grade titanium metal that has strengthened the plates. This allows the best flat iron 2021 to be more durable and have a longer lifespan. Styling your hair perfectly has become easier and quicker than before. If you want to travel, the dual voltage feature makes it easy to use flat iron everywhere.

  • Dual Voltage makes it perfect for international travel.
  • Titanium Infused Ceramic Plates heat up quickly and style efficiently.
  • Quick 40 Second Heat Up goes up to 425°F / 218°C.
  • A gap between the heating plates leads to a loose grip on hair.

11. Remington S5500 1″ Anti-Static Flat Iron

As the best flat iron 2021, the REMINGTON 1” Anti-Static Flat Iron has a bold purple exterior that adds to your colourful aesthetic. As one of the best hair straighteners 2021, the flat iron has an anti-static technology that reduces negatively charged particles for 50% less static in your hair and any fly-aways. The Remington 1-inch flat iron has ceramic plates that are coated with titanium. These plates heat up fast and create a smooth glide through your hair, making it effortless to style all kinds of hair. The best flat iron 2021 has 1-inch plates that are about thirty percent longer than average plates for quicker styling and better control.

This tool is undoubtedly the best flat iron 2021 as its digital controls and the LCD screen make it so easy for you to find a temperature that does not burn your hair. With a range of 6 different heat settings from 310F to 410F, one of the best flat irons heats in 30 seconds to give you quicker styling experiences. Its turbo boost function is perfect for late mornings and the hinge lock protects plates during travelling, making it a convenient travel partner.

  • 6 Heat Settings go up to 410F.
  • Anti-Static Technology makes hair sleek and smooth.
  • 30 Second Heat Up and Turbo Boost function for efficient styling.
  • Inconvenient placement of the digital display.

12. Paul Mitchell Pro Tools Express Ion Smooth+ Ceramic Flat Iron

The Paul Mitchell Pro Tools Express Ion Smooth+ Ceramic Flat Iron is a high-quality, digital professional flat iron that works gently on your hair to help you achieve the desired style. The best flat iron 2021, this hair straightener has ceramic plates that heat up quickly, polish your hair strands, and give you healthy-looking, shiny results. One of the best hair straighteners 2021, the Paul Mitchell Pro has a slim plate design that allows you to straighten your hair close to the roots and smooth them out perfectly. Its ceramic plates are safe on your hair, evenly heating your hair to prevent damage. The rounded edges of the best flat iron 2021 make this tool highly versatile. You can add waves to your hair, curl it up or straighten it to perfection with just one tool.

One of the best flat irons on this list, the Paul Mitchell Pro heats up to 410F in only 60 seconds. Its large digital display makes it adjustable and easier to control the temperature. If you’re worried about leaving it on after working, the 60 minutes automatic shut-off feature will make its usage stress-free. The dual voltage and one-year warranty make this the perfect flat iron for you to buy.

  • Fast heating and recovery time.
  • Large digital display for temperature control.
  • Ceramic technology for evenly heating hair.
  • Thin plate size results in longer styling times.


Finding the right flat iron for your hair can be tough. There are so many products in the market that it becomes almost impossible to choose the right one. If you’re looking for the best flat iron 2021, you have come to the right place. Whether you’ve got thick or fine hair and want to rock curls or the sleek, straight Kardashian look, this list of the best hair straighteners 2021 is perfect because the tools can be used for all kinds of hairstyles.

While we have included flat irons that produce a lot of heat, you must use a temperature that is more suitable to your hair condition and texture. The best step in this process is to start with the lower heat setting and increase it gradually until you find the temperature that is right for you. Our list of the 12 top sellers, best flat irons & hair straighteners 2021 will help you choose the right iron for your hair, while also keep you informed of the brands that deliver what they promise.

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