Best Flat Iron for Damaged Hair: Get Healthier Hair Almost Immediately

Best flat iron for damaged hair

With damaged hair, you might believe that you can’t apply heat. That’s not always true. You shouldn’t apply heat that will damage hair. Some styling tools can actually make hair healthier when heat is used.

The best flat irons for damaged hair will provides ions, conditioning, and gentle heat. You’ll want to help the flat iron along by using oils and products that protect your hair.

We’ve found the best flat irons that will actually help repair your damaged hair. All the research has been done for you. All you have to do is pick the one that seems best based on the damage to your strands.

Our Top Pick After Testing 7+ Flat Irons

BaBylissPRO Straightening Iron

Our Rating

Top 7 Flat Irons That Won’t Damage Your Hair Further

1. BaBylissPRO Nano Titanium-Plated Ultra-Thin Straightening Iron

BaBylissPRO Nano Titanium-Plated Ultra-Thin Straightening Iron

This flat iron for BaByliss is a good choice for people with damaged hair. It measures 1 inch and has a titanium plate. The company making this flat iron has created many other styling tools. They’re a popular brand because they care about their customers.

The flat iron features a ceramic heater. Like a ceramic flat iron, the ceramic heater is all about gentle heat. It heats the entire plate without creating hot spots. Hot spots can do more damage to your hair. It might be why you have unhealthy hair in the first place.

Frizzy, dry hair is what stops most women from having silky hair. Flyaways are also a problem, too. That’s because the hair is full of ions. Those ions are positively charged. You need a material that will tame those problems. Negative ions are the answer. The material in this flat iron will smooth your hair with negative ions.

One of the most important features needed for unhealthy hair is a varied heat. With damaged hair, it’s vital to stay on the low side of temperature. It can be hard when you want a sleek style. There are 50 heat settings to choose from with this flat iron. It goes to 450F, but that’s too high for damaged hair.

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Great positives

The flat iron has a good amount of choices for temperatures. It’s hard to beat 50 temperature choices. You can definitely find a happy medium temp for your damaged hair. Under 300F is where you should stay for hair that’s not in the best health.

With the titanium plates, this is a flat iron that won’t corrode or flake. That can happen with inferior straightening irons. When flat irons have that issue, they will do a ton of damage.

The thin, extended plates are great for getting lots of hair in one pass. That will get you out of the house much faster. While you want to get healthier hair, you probably don’t have all the time in the world to devote to styling.

Mild concern

The outside of the flat iron can heat up, so it’ll be hard to touch. It’s best to purchase a heat glove to use any flat iron.

2. HSI Professional Glider Hair Straightener

HSI Professional Glider Hair Straightener

This is a ceramic and tourmaline flat iron. The ceramic and tourmaline crystal plates generate negative ions naturally. Those negative ions can provide moisture and combat the positive ions. Damaged, dry hair has millions of positively charged ions. This flat iron will get rid of them.

Damaged hair requires a gentle heat. This flat iron has temperatures starting at 140F. That might not straighten your hair, but you can increase the heat slowly. It’ll be easy to find the right temperature for your particular hair needs. The temperature goes up to 450F. That will be a temperature you might use when hair is healthy.

There are 8 micro sensors in the flat iron. They have HeatBalance technology. They constantly regulate the temperature on the plates. This is done to ensure that it never strays from the temp you set for your hair. It heats fast with little recovery time. That makes styling much faster.

The flat iron has many other extras like a heat glove, dual voltage, and an extra-long swivel cord. They also include an Argan oil sample. This is a great hair treatment oil that will bring hair back to great health. The flat iron has 110/220 dual voltage and a silk carrying case.

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Great positives

For damaged hair, you definitely have to be careful of applying too much heat. You can start at 140F with this flat iron. Dial it up until you find the right temperature for your hair. With thin hair, you should stay around 200F.  Thick, damaged hair needs more heat to straighten.

The micro sensors are a fantastic feature. It’ll stop your hair from being damaged even further. The sensors will test the temperature of the plates and increase or decrease heat. That keeps the plates at an even temperature throughout.

The extras from this brand are very thoughtful. They include Argan oil for those who have always wanted to try it. This oil won’t leave your hair greasy. It’s nourishing and moisturizing. It’ll help bring your hair back to its natural health.

Mild concern

The controls for the heat are inside the flat iron’s handle. You’ll need to use the glove to change the temp.

3. FURIDEN 2-in-1 Hair Straightener

FURIDEN 2-in-1 Hair Straightener

This hair straightener is made of tourmaline and ceramic. The tourmaline will generate negative ions for smooth hair. It can help to repair damage to the hair. The ceramic is a gentle, smooth material that is super soft on your strands.

The heating surface of this straightener are 1” rounded, floating plates. The floating plates move with your hair. You’ll never miss sections with a floating plate. The entire device is rounded for straightening and curling. It’ll reduce the heat needed for styling overall.

The heat goes from 250F to 450F. There’s an easy-to-use dial on the back of the styling tool. You can turn it up or down as you want to get the right temperature for your damaged hair. 250F is an ideal temperature for severely damaged hair that’s thin. Coarse hair means you’ll need to raise the temp.

It’s a straightener with an MCH heating element. This is a new standard in heating for styling tools. It’ll bring the flat iron up to 450F in 15 seconds. Along with that feature, it has other features like a swivel cord. That cord is super long. It comes with a glove and sectioning clips.

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Great positives

With the design of this flat iron, you’re going to be able to curl your hair, too. It’s not going to require two devices and all kinds of extra heat. The dual nature of this device will reduce the damage to your hair.

It’ll heat very quickly, too. That will cut down on the time you spend styling. Overall, you’ll be able to leave the house much quicker. You can still get the style you love while treating damaged hair gently.

The styling glove is essential to the styling process. The flat iron will get incredibly hot. That’s helpful for the curling part of your styling. The company also thought about how you’ll style. They use a swivel cord for maximum movement, too.

Mild concern

When curling, it can leave creases in the hair if you’re not careful. It helps to watch the video sent after purchase.

4. CHI G2 Ceramic and Titanium Hairstyling Iron

CHI G2 Ceramic and Titanium Hairstyling Iron

This styling tool from CHI has ceramic plates. Those ceramic plates will be gentle on your hair. Thin or damaged hair will see vast improvements. The ceramic is infused with titanium, which gives the plates added durability.

For damaged hair, you want to have superior control of the heat. Too much heat can have a horrible impact on damaged hair. This flat iron has a ceramic heater that provides the gentlest kind of heat. Along with the gentle heater, there is a range of temperatures.

The temperature ranges are color-coded for easy use. Blue is 0 to 370 for fragile hair. That’s where you want to be for damaged hair. Green is 375F to 395F. That’s for medium hair. Red is 400F to 425F for coarse hair.

The flat iron has 1.25” plates for faster styling. It’s great for long, thick hair. The device has dual voltage for traveling. Included with the styling tool is a red thermal mat. That can be used to wrap the device when it’s still hot. It’s good for protecting counters while styling, too.

Great positives

The best thing about this flat iron is the ability to choose a lower temperature. For healthier hair, you need to stick with a temperature that’s not going to cause further damage.

The ceramic heater is going to provide a gentle heat. The ceramic plates will glide gently over the hair, too. With damaged hair, it’s all about getting the style you want without damage. It can be tough to heal your hair while still styling.

Extras with this flat iron are nice. They included a red thermal mat for protecting your counters. The mat can also be used while traveling. It can be used to wrap up a warm flat iron before stuffing it into your bag.

Mild concern

The professional cord is extremely long. That can be a bit unwieldy in a small space.

5. KIPOZI 1-Inch Titanium Flat Iron

KIPOZI 1-Inch Titanium Flat Iron

This styling tool is made with titanium plates. The plates are 1” floating plates with no gap. It won’t pinch or pull, but hair will be snug in the plates. Damaged hair benefits from a smooth surface. It’ll allow the damaged or fine hairs to move effortlessly through the material.

Titanium is a really hard material. It’ll keep your plates lasting a long time. It’s also a great way to get negative ions naturally. The negative ions will moisturize hair that is dry or damaged. It does that by neutralizing the positive ions in dry, frizzy hair.

Damaged hair needs to be handled gently. The temperature can really have an impact on brittle hair. The flat iron has a screen that tells you the temps. At 170F to 320F, it says FRAGILE. That’s for fragile hair. At 330F to 380F, the screen reads DAMAGED. At 390F to 450F, it reads HEALTHY.

There are plenty of extra features that you’ll love with this flat iron. It has a PTC heater. This is a new heater that replaces ones with wire. It has a higher level of safety. It lasts a long time, too. The flat iron has dual voltage for traveling. It also has a safety lock.

Great positives

The flat iron gets all the way to 450F. That’s way too hot for unhealthy hair. At the bottom of the heat range, it starts at 170F. You can inch it up to find the best temperature for your particular needs.

You can stay in the fragile section of the heat. If that’s too low, the damaged section of heat might be good instead. You should definitely stay away from the higher end of the heat spectrum. It will burn your brittle hair.

The floating 3D plates ensure that you are not pulling or pinching the hair. It’ll skim over the hair gently and never stick. The ceramic of the plates will ensure your hair is being treated well.

Mild concern

The handle can get very hot. They don’t include a heat glove with purchase.

6. CHI Original 1” Flat Hair Straightening Hairstyling Iron

CHI Original 1” Flat Hair Straightening Hairstyling Iron

This flat iron for straightening damaged hair has 1” ceramic plates. Ceramic is a material that heats gently. It’s not like a metal flat iron that can cause serious damage. The ceramic glides gently over the hair. It’s perfect for thin hair as well as damaged, fragile strands.

Ceramic is a natural way to get negative ions in your hair. Dry, frizzy hair is full of millions of positive ions. With negative ions, you’re getting smoother hair. It’ll have a reduced amount of frizz. It can naturally moisturize hair, too.

There’s only one temperature available with this flat iron. That’s not usually recommended for damaged hair. The ceramic in this one is very gentle, though. It won’t fry your damaged hair. Another reason that it isn’t a problem for damaged hair is the far infrared heat. That heats from the inside and repairs the hair.

The flat iron has a swivel cord for maximum movement while styling. It has one of the longest cords of any flat iron at 11 feet. There’s also a Velcro closure for storage. It’ll keep the cord wrapped up nicely. It’s dual voltage. It only requires an adapter to work in other countries.

Great positives

The ceramic of this flat iron is one of the best materials for damaged hair. It’ll provide a natural shine and moisturizing for hair that isn’t healthy. Normally, heat can dry hair and make it unhealthy in the first place. If you’re careful, this flat iron could reverse issues.

The far infrared heating system delivers heat to the middle of the hair. It’s a much better way of straightening. The far infrared heat doesn’t cause damage to the outside like some other flat irons. You’ll get a sleek style with moisturized strands.

The 1” plates are a great size for long or short hair. Whether you have a pixie cut, a bob, or waist length hair, this is a good flat iron. It’ll nourish and bring hair back to life.

Mild concern

This doesn’t have an automatic shutoff. If you tend to leave devices on, this could be a problem for you.

7. VOLOOM Classic 1 ½ Inch Volumizing Hair Iron

VOLOOM Classic 1 ½ Inch Volumizing Hair Iron

This is a unique styling tool that will give your hair incredible volume. The hair iron is made of ceramic for gentle heat. You don’t want to make hair even worse by applying harsh heat to it. The ceramic will be gentle on your damaged hair.

The heat can be customized to fit with your hair’s needs. The LED display will show you exactly what temperature the tool is currently. It ranges from 220F to 395F. For really damaged hair, you want to stay under 300F. When your hair is healthier, you can up the temperature.

Ceramic will give you ions that will help with your hair’s look and texture. Dry, frizzy hair is full of positive ions. A hair styling tool like this one will improve the health of your hair. It infuses the hair with moisture due to the negative ions.

The plates have a checkerboard shape that can be used for volume. It won’t harm your hair even if it’s truly damaged. It’ll get close to the crown where hair is healthier. It reduces the need for chemicals to give you volume. You can get bouncy hair without the need for mousse, gel, or sprays.

Great positives

The heat of this styling tool is very gentle. It works on hair that isn’t the healthiest. The device works close to the scalp where hair isn’t as damaged. The ceramic is gentle on hair and never sticks.

With gels, mousse, or sprays, you’re using chemicals that can actually build up on hair. It can drain the hair of moisture, too. You don’t need any of that for hair that has volume.

Positive ions are reduced when you use a device with negative ions. You’re getting those naturally with a ceramic styling tool. This tool provides more than a few ways to get healthier hair while still looking beautiful.

Mild concern

This volumizing style tool can take a while to learn. If given time, you can become an expert at volumizing your hair.

Things to Know Before Purchasing the Best Straightener for Damaged Hair

There are a few ways to damage hair. Fine hair can be damaged by using too much heat. Chemically treated hair can be damaged from the process itself. Whatever the reason for the damage; a flat iron can still cater to hair that’s in need of repair.

  • What Materials Are Best for Damaged Hair?

Old flat irons were made of metal like steel. That metal would do serious damage to hair. Now, flat irons are made of incredible materials that nourish hair instead of burning it. With weak, damaged hair, though, you have to be really careful. You can’t use any material you want.

When it comes to damaged hair, the material has to be gentle. That’s why ceramic is the best substance for weak hair. It heats evenly across the surface. There won’t be any hot spots that will burn hair.

  • Treating Hair to Low Temps

A flat iron without a temperature adjustment can make your hair a disaster. If you didn’t have damaged hair before, you would after using one with no heat control. The right temperature for hair that is in poor condition is under 300 degrees Fahrenheit. That includes fine hair as well as coarse hair. That can be tough for straightening. Other factors have to be taken into consideration, too.

The flat iron should have a variety of adjustable heat settings. One that doesn’t have the adjustments can make your hair worse. In some extreme cases, it might burn a chunk of hair causing it to fall out. That’s definitely not what you want when styling. Consider the heat as well as the other factors of the flat iron.

  • Infrared Heat: Does it Matter?

With an infrared heater in your flat iron, you’re getting a deeper heat. Instead of heating the outside of the hair, it penetrates the hair shaft. That can help to keep hair moisturized. The outside of the hair that is damaged won’t see as much heat. That leads to healthier hair.

Infrared heat stays a steady temperature throughout the process, too. There won’t be any hot spots. It’s a deep penetrating heat. It goes directly to the cortex of hair. Moisture gets locked into the hair shaft with infrared heat. If you’re not using infrared, you should be using something to protect the hair.

  • Repairing the Damage with Ions

You hear a lot about ions when you’re learning about hair styling tools. Frizzy hair is covered in positive ions. It causes dryness, frizz, and static electricity. With negative ions, you’re introducing something that will neutralize the polarity.

That means that the negative ions will cancel out the positive ones. They instantly reduce frizz and cause moisturized hair. As a result, you’re going to see hair that looks better. It might still be damaged, but it’s on the way to be repaired.

  • Infused Conditioners and Oils

You should be using a good shampoo and condition. The dryer you choose will help, too. Everything you do to your hair should be under scrutiny. You can protect your hair from punishing heat by using oils or protectants. Those oils and protectants can be in the material of the flat iron itself.

There are many flat irons that are infused with keratin or Argan oil. Both of those will moisturize hair as well as protect it from the heat. They are flat irons that won’t damage hair. It’s easier to use a flat iron infused with oils. You don’t have to remember to use oil separately. It can also save you money in the long run. It won’t be necessary to buy oil.

  • Plate Size for Damaged Hair

With a large plate size, you’re going to be able to style long hair more effectively. It’ll take more hair with every pass. It’s also easy to use too much heat on the strands. You never want to overheat your hair when it’s not in the best health.

A small flat iron can also be a problem. It can take longer to straighten hair. Straightening for a long time can cause you to make mistakes. You might become frustrated and end up using too many strokes. It’s best to have a medium-sized flat iron for control over the process. A straightener that doesn’t damage hair is essential.

  • Can a Flat Iron Be Used on Damaged Hair Safely?

There are certain things you should do to ensure your hair stays healthy. It can be hard to maintain hair when you’re applying heat to it. Heat can be very damaging. Dying hair can be damaging as well.

Once you’ve damaged hair, it can be difficult to heal your strands. You can definitely apply a flat iron to damaged hair. You just have to do it carefully. That includes preparing the hair and using the flat iron correctly.

You can certainly flat iron your hair before it’s been completely healed. Apply a protein conditioner to hair after washing it. When using the flat iron on damaged hair, you have to make sure it’s being used at a low temperature. Use a spray protectant on hair before using any kind of heat.


It can be hard to keep up with your current style if you have damaged hair. You might be afraid to apply heat to your strands. That’s perfectly understandable, but you can still get a beautiful style. In fact, with some flat irons, you’re making hair healthier.

The materials will generate ions that moisturize. The best flat iron for damaged hair will make special allowances for challenges. Some are infused with oils and conditioners to strengthen hair. Others use gentle infrared heat. The one you choose should make hair healthier over time. You can see a huge difference with the right straightener.

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