Flat Ironing to Kill Lice and Nits

If you have lice, you want to get rid of it as fast as possible. You’ve heard that high heat kills lice and lice eggs. What about flat ironing, will that get rid of lice?

If you have lice, you want to get rid of it as fast as possible. You’ve heard that high heat kills lice and lice eggs. What about flat ironing, will that get rid of lice?

If you're struggling with lice you are not alone...

Did you know?

75% of parents that use over-the-counter treatments still have lice even after multiple treatments!!


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Most people with lice are stuck in what I term the “never-ending lice cycle” that looks like this…

You discover lice, you spend hours treating, nit-picking, house cleaning etc.

You think it’s gone for a few weeks…

But, then it’s back again!

Sound familiar? This cycle will repeat over and over again until you change what you’re doing. Perhaps that’s why you’re researching if you can use a flat iron to kill lice.

This article answers the following questions:

Can flat ironing kill lice?
Can you get rid of lice by flat ironing the hair?
Does flat ironing kill lice eggs?
Can flat ironing make lice worse?


Parents around the world are all asking me the same question….

Why Is It So Hard to Get Rid of Lice? 

Lice have become immune to everything that used to work in the past. Perhaps you remember your mom using a typical lice treatment and that doing the trick. The new strain of head lice is no longer killed by those treatments, that’s why lice today are termed by people, “super lice,” because things that would kill them in the past, no longer work.

I’ve cured thousands of people of lice in my lice center. And I absolutely DO NOT use any over the counter lice treatments. No lice professional uses those things. Instead, lice professionals have developed a special technique to get rid of lice in one treatment. You can learn that same technique on the Get Rid of Lice Like A Pro page. 

Flat Ironing For Lice

A super lice bug at high magnification.

Most people researching flat ironing to get rid of lice have tried lots of other lice treatments that haven’t worked. This is an increasing phenomenon because of the newest strain of lice called super lice.

Super lice and regular head lice are pretty much the same bugs, except that super lice are immune to traditional treatments and very difficult to kill.

If you have tried regular treatments that haven’t worked, then assume you are dealing with super lice.

Before talking about whether or not Flat Ironing kills lice, you should ask yourself a critical question...

Do you want to kill lice or GET RID OF LICE???

Because there’s a big difference! Killing lice today, does NOT get rid of lice. If you focus all of your energy on killing lice bugs, you will NEVER get rid of lice! 

Here’s why...

When you have lice you have 2 problems, lice bugs, and lice eggs. Often people focus all of their attention on lice bugs, but neglect the much bigger problem- LICE EGGS! Those eggs are full of little lice bugs, just waiting to hatch and start this whole lice cycle all over again! That’s why you keep getting lice back!

There’s no lice treatment or home remedy out there that kills lice eggs, except the technique that lice professionals use.

It’s the only thing guaranteed to get rid of lice in ONE DAY, without any re-treatments, because it kills all of the lice bugs and lice eggs. If you plan on using a home remedy and store-bought lice treatment you can get rid of lice, but you should plan on it taking about 3 weeks and multiple treatments.

Can You Kill Lice with a Flat Iron?

A woman flat ironing her hair

The first question I ask is: What is your end goal?

Do you want to kill a few lice?

Or do you want to get rid of lice completely?

If your goal is to fry a few bugs in your hair, then a flat iron is capable of that. Lice and lice eggs die in temperatures higher than 130° F (per CDC). Most flat irons get up to 450° F, so if you happen to squeeze some lice with a flat iron, you can sizzle a few.

Barriers to Flat Ironing For Lice

#1- Lice Live on the Scalp More Than The Hair

A lice bug on a hair strand near the scalp.

Most head lice do not live in the lower part of the hair; they live directly on the scalp and right next to the scalp. They go to the scalp very frequently, because that’s where they feed on your blood. They aren’t usually hanging out in the lower areas of the hair.

To get a flat iron close enough to the head to kill most head lice, you will burn the scalp. And I’m talking, bad burns, 450° F of heat on the scalp causes severe burns and blisters. There have been multiple well-intentioned parents invested for child abuse for lice home remedies like this gone wrong. I don’t want anything like that to happen to you.

#2- Lice Move Quickly

A lice quickly crawling through a woman's blond hair.

Have you seen how quickly lice move in the scalp and the hair? Lice have little claws that enable them to scurry from hair strand to hair strand with ease and high speed. That’s why it is so hard to catch them!

What is preventing head lice from moving around on the head while you’re flat ironing? It’s not like you can flat iron every strand of hair at the very same time. Are you planning on having 12 flat irons on the hair all at once?

Think about it, when you flat iron one area, the lice will move to the other side of the head. By the time you move to the other side of the head, the lice will have moved to the already flat ironed side. It’s impossible to catch them all.

What's the FASTEST Way To Get Rid of Lice?

The purpose of My Lice Advice is to help parents get rid of lice as fast as possible. And the fastest way to get rid of lice is to get rid of lice in one day, no re-treatments. This is how lice professionals like myself get rid of lice in lice centers. Most people assume that lice professionals use some kind of crazy strong lice product or something. But the truth is that's not how lice professionals get rid of lice so fast....

When I treat lice in my lice center I don't use any toxic chemicals or special treatments. In fact, you can do a professional lice treatment at home without buying any lice products. I teach parents how to do this professional technique on their children at home, on my page Get Rid of Lice Like A Pro!

In Get Rid of Lice Like A Pro! you learn how to get rid of lice in less than a day by doing what the pro's do. And it's gone permanently- there are no re-treatments, and no messing around with lice kits. You do the professional technique on your child at home, you kill all of the lice and the lice eggs in one session and then you're done with lice. 

That's the FASTEST and MOST EFFECTIVE way to get rid of lice. You can learn how to do it by clicking here.

Flat Iron for Lice Eggs

If you are new to lice: lice eggs and nits are the same things, I use the two words interchangeably.

Flat ironing lice eggs with the intention of them not hatching is never going to be effective. Here’s why…

#1- Lice Eggs Are Next to the Scalp

A woman with lice eggs near the scalp. The lice eggs are likely new.

Lice lay their eggs within ¼ inch of the scalp because nits have to have the heat of the head to grow and hatch. Because being right next to the scalp is so essential for nits, female lice cement nits to the hair strand with special glue. This glue is powerful; lice eggs are stuck there and are not moving.

If you intend to flat iron those nits that are next to the scalp, you will burn your child’s head! Most flat irons get to 450° F, so expect severe burns with blisters. Again, a word of caution: I have seen many lice treatments gone wrong that end up looking like child abuse. Don’t do it; it’s not worth it.

#2- What about the lice eggs further down the hair strand?

A woman with lice eggs attached to her hair. The eggs are attached further down the hair strand (away from her scalp). These eggs are likely already hatched and the woman has likely had lice for a long time.

If you find a lot of lice eggs further down the hair strand that is easy to access via flat iron, you’ve likely had lice for a very long time. Lice eggs further down the hair are usually old and already hatched, meaning that lice have already left those eggs and are crawling in the hair. Flat ironing these already hatched lice eggs do not get you any closer to getting rid of head lice.

Flat Ironing Makes Lice WORSE

When you flat iron lice eggs on the hair, it makes them significantly harder to remove. As explained above, the only lice eggs you can flat iron without burning the scalp are the old, hatched eggs further down the hair strand, which gets you no closer to getting rid of lice. But the intense heat from the flat iron actually “binds” these to the hair strand, making them even more difficult to remove! 

Lice Eggs 101

One of the biggest mistakes people make is not removing all of the lice eggs from their child’s hair. You’ll find a lot of products advertising “kills lice eggs,” but don’t be fooled by these gimmicks. Some lice treatments may kill some eggs, but no treatment product today kills all lice eggs. 

If you try to kill lice eggs with a flat iron, you will fail, and you will get stuck in a never-ending cycle of lice...

The Lice Egg Cycle: Lice hatch from eggs, lice grow and lay more eggs, you treat your hair, some lice eggs are missed, and then the cycle starts over and lice hatch from eggs again.

Better Home Remedies…

If you are looking for an all-natural way to get rid of lice then the very best and FASTEST way to do that is by learning how to do a professional lice treatment on your child at home. You don't need to buy any lice kits or lice products, and you can be done with lice in less than a day. That's what I teach on my page Get Rid of Lice Like A Pro!

If you're set on doing it on your own and you want to hunt around for a home remedy then you can find a list of much better home remedies in my article 37 Home Remedies for Lice. In that article I evaluate every home remedy for lice and let you know how many lice and lice eggs they kill.

You should know that even the best home remedies only kill 80% of lice bugs and no home remedies kill lice eggs. If you decide to go that route then plan on retreating and nit-picking for about 3 weeks.

You can find the Home Remedies article here.

Flat Ironing as Lice Prevention

Flat ironing hair can be helpful for lice prevention in theory. In theory, if you just got lice and only had one bug in your hair, you could “get lucky” and run your flat iron over the bug before it laid any eggs. If you want to add that to your prevention arsenal, you can. But, much, much more effective at preventing lice is using a lice prevention shampoo or spray.

Lice have a keen sense of smell. They are so contagious because they smell human blood and instinctively move from one head to another. 

But, you can use lice’s keen sense of smell against them. There are certain scents that lice hate, and if you have these scents in your hair, then you are less likely to get lice. 19 essential oils repel lice, but I recommend buying a lice repellent spray that has is tested and proven works.

If You Keep Getting Lice Back

If you keep getting lice back every month or two, you probably never really got rid of it. Most people leave lice eggs in the hair and assume that if they don't see any lice bugs, then they’re good to go.

The truth is that when lice first hatch from eggs, they are tiny, almost invisible. It takes a few months for those small lice to grow, lay eggs, and reinfest the hair again. If lice keep coming back every few weeks, then you are in this cycle. To “prevent” getting lice back, you have to get rid of lice first.

If you are in this cycle, I recommend the article 7 Reasons You Keep Getting Lice and How to Stop it From Coming Back  or checking out My Technique Here.

Summing it Up...

Flat ironing the hair can kill a few lice, but if your goal is to get rid of lice, then flat ironing won’t cut it. Flat ironing the hair does not kill lice eggs because lice lay eggs so close to the scalp that you would get severe burns from the heat of the flat iron.

If you plan to use a home remedy for lice then I DO NOT recommend you use Flat Ironing. Instead I’d recommend you use a more effective home remedy like the ones I cover in this article. But, understand that there is no home remedy or treatment out there that kills all lice bugs or lice eggs, so it’s going to take you several weeks to get rid of lice using a method like that.  If you want to get rid of lice quickly, you should check out the How to Get Rid of Lice Like a Pro! and get rid of it in ONE DAY. 

All the best,

Theresa, My Lice Advice Coach


Theresa is a lice expert with years of experience curing children of lice. She currently works with government agencies and non-profit organizations to help children with the most severe head lice infestations in the US.

Originally trained as a Registered Nurse, she changed specialties to study lice. Later, she opened a lice treatment center where she perfected the PRO technique she teaches in the Get Rid of Lice Like A Pro online course. She now works helping those struggling with lice around the world.

She is the creator of MyLiceAdvice.com, one of the top lice informational websites in the world and she teaches parents around the world how to get rid of lice in less than a day in the Get Rid of Lice Like a Pro online course.