Heat protection for the hair

Heat protection for the hair - That's why you need to protect your hair

by Christoffer Thorsager on Mar 28, 2023

Read through by Dorthe Kristensen

Hairdresser and former co-owner of the award-winning hairdressing chain Zoom by Zoom
With many years of experience in the hairdressing industry, Dorthe has advised many customers about hair and hair care. Dorthe has read through this blog entry to ensure high quality and professionalism. This blog post is professionally updated on May 19, 2024.

Table of contents

Welcome to our article on heat protection for hair. If you use styling tools such as straighteners, curling irons or blow dryers on your hair, it's important to protect it from heat damage. We've all experienced it – that horrible feeling when you've used heat styling on your hair and you can feel, that it has become dry, frizzy and damaged. Although heat styling can give your hair a beautiful and smooth look, it can also cause permanent damage to your hair if not properly protected.

Fortunately, there is a way to protect your hair from damage from heat styling – by using heat protection products. In this article, we'll walk you through everything you need to know about heat protection for your hair, from how it works to the best products on the market.

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How does heat affect hair?

When you use hot styling tools on your hair, it can lead to damage to the hair's surface and keratin layer , which can make the hair dry, brittle and damaged. This can lead to split ends, frizz and loss of shine. In addition, it can also lead to a breakdown of the proteins in the hair, which can make it weaker and more vulnerable to further damage. Damage from heat styling is often caused by repeated exposure to high temperatures. The heat from a flat iron or curling iron reduces the overall moisture in the hair, making it more susceptible to environmental factors such as moisture and wind, which can cause further damage.

In addition, chemical treatments such as color or bleaching can become even more damaging when combined with heat styling tools. To prevent this type of damage, it is important to use a heat protection product before any type of thermal styling, as well as to limit how often you use heat tools and never exceed their recommended temperature settings. If possible, let your hair air dry instead of using heat tools, and try not to brush or comb your hair when it's wet, as this increases breakage and split ends.

How does heat protection work?

Before we get down to recommending the best heat protection products, it's important to understand how heat protection works. When you use heat styling on your hair, you expose it to high temperatures, which can damage the hair strands and make them dry and frizzy. Heat protection works by creating a barrier between your hair and the heat so that your hair is not exposed to direct heat.

Most heat protection products contain ingredients that form a protective film around the hair strands so that they are not directly exposed to the heat. In addition, some products also contain ingredients that help prevent moisture loss and protect against free radicals that can further damage your hair.

Heat protection is a form of hair care that helps protect your hair from heat from styling tools. Most heat protection products contain ingredients such as silicone, keratin, argan oil and other protective oils.

How to use heat protection for your hair

Before using your heat styling tool, apply heat protectant to your hair. Spray the product evenly all over the hair, making sure to cover all areas that will be exposed to heat. Use a comb to distribute the product evenly and avoid spraying too much product on the same area.

Once you have applied heat protection, you can now use your styling tool as usual. Remember to adjust the temperature of your tool to the recommended temperature for your hair type. For example, fine hair will require a lower temperature than thick or curly hair.

How do you choose the right heat protection for your hair?

There are many different types of heat protection on the market, so it can be difficult to choose the right one for your hair. First of all, it is important to choose a product that is specifically designed for the type of heat styling you use. If you use a hair dryer, choose a heat protectant that is specially formulated for hair dryers. Similarly, if you use a straightener, choose a heat protector for straighteners.

In addition, you must take into account the needs of your hair type when choosing a heat protection. If you have thick, curly hair, you may need more intensive heat protection than someone with fine, straight hair. Additionally, consider whether you want a heat protectant that also helps add moisture and care to your hair, or whether you just want one that protects against heat.

Other tips to protect your hair from heat

In addition to using heat protection, there are other steps you can take to protect your hair from heat:

  • Wash your hair with a mild shampoo and conditioner formulated to protect and strengthen hair.

  • Use a moisturizing hair mask once a week to add extra moisture to your hair.

  • Avoid using hot styling tools on wet hair as this can lead to further damage.

  • Let your hair dry naturally as often as possible and avoid using hot styling tools on a daily basis

    Frequently asked questions about heat protection

    Are straighteners harmful to hair?

    You must always be aware not to use heat styling too often. But in small amounts it can be fine. However, it is important to ensure that heat protection is always used when using them. Heat protection helps protect the hair from being damaged and brittle due to the high temperatures of the straightener. These injuries can include split ends, breakage and dullness. When using a straightener, it's also important to keep in mind the type of hair you have so you don't overdo it with the heat; finer or damaged hair may require a lower temperature setting than thicker or healthier hair. In order for your hair to stay healthy and beautiful, it's best to use your straightener sparingly and always follow up with a moisturizing product to help counteract dryness caused by the heat.

    How many degrees should I set my heat styling to?

    When you use a heat styling tool such as a straightener to style your hair, the optimal temperature is between 150 and 230 degrees Celsius (302-446 degrees Fahrenheit). However, depending on the thickness and health of your hair, this interval may need to be adjusted. Finer or damaged hair may require temperatures closer to the lower end of the range (150-180 °C/302-356 °F), while thicker or healthier hair may require higher temperatures up to 230 °C/446 °F.

    However, the optimal heat for your straightener or curling iron for most people is around 175 to 190 degrees. It is important to ensure that you do not set the temperature too high as this can damage your hair.

    Is hair oil heat protectant?

    Yes, hair oil can be heat protectant, depending on its composition. Some hair oils contain ingredients that form a protective barrier around the hair, helping to prevent damage caused by heat styling tools such as hairdryers, flat irons and curling irons.

    Oils like argan oil, coconut oil and jojoba oil have natural properties that can help protect hair from heat. These oils can reduce heat damage by creating a protective film around the hair shaft, minimising moisture loss and protecting the hair structure.

    However, it's important to follow the product's instructions, as some hair oils may not be heat-protective and you can cause a lot of damage to your hair if you use heat styling without proper protection.

    Can you use heat protection on wet hair?

    Yes, you can use heat protection on wet hair. After washing and towel-drying your hair, spray the heat protection product evenly throughout your hair, from roots to ends. Use a wide-toothed comb to distribute the product and then dry your hair as usual with your hot styling tools. This helps protect the hair from heat damage and keeps it healthy and strong.

    Product recommendations

    Heat protection is so important for your hair that it's important to find one with plenty of protection. We've seen many horror stories of heat-damaged hair over the years, which we'll try to help with our product recommendations.

    Heat protection spray with UV protection

    We've developed a powerful heat protection spray that protects up to 220 degrees, so your hair is protected when using straightening or curling irons. It also contains UV protection, which is especially important in the summer when hair is exposed to a lot of UV rays that can dry out and damage the hair. It also contains Aloe Vera, Sodium Hyaluronate and Glycerin, which help to moisturise and condition the hair. It helps tame frizzy hair and protects colour. What also makes it special is that it's silicone-free.

    Nourishing hair serum with heat protection

    If you often experience dry or frizzy hair, we can definitely recommend our Repair & Care hair serum. It's packed with moisturising ingredients such as Inca Inchi Oil and Hydrolysed Wheat Protein, which help to hydrate, condition and strengthen the hair. In fact, the ingredient Gluadin® WLM Benz helps reduce damaged hair by up to 80%. The hair serum is heat protective and can therefore also be used for heat styling. It should be applied to wet hair and is therefore ideal for those who blow-dry their hair a lot.

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