22 Best Serums for Hair Straightening 2021

Do you desire straight, shiny hair?

If you answered YES to the above question, then the best hair straightening serum is a must-have!

Many serums can be applied prior to or after hairstyling. They will provide hydration benefits and fight frizz.

Serums can help you straighten your hair and can even fight UV rays, pollution, humidity, and other factors which can damage your hair.

Are you looking for the best hair straightening serum? Continue reading to find out the best hair straightening serums!

Our Top Picks for the Best Hair Straightening Serum

Are you confused about which serum to purchase? These are the best products to straighten your hair.

1. Paul Mitchell Super Skinny Serum

This serum is designed to help you blow-dry your hair faster and easier than ever. It will take only minutes to finish and your hair will look noticeably straighter.

The award-winning product has many other benefits than straightening. It can also be used to condition and seal hair. It removes frizz and adds shine.

It contains lightweight silicones that will protect your hair. These silicones will seal your hair to improve its appearance from the outside.

All hair types can use the formula. It contains no harsh ingredients such as parabens. You don’t need to worry about it fading your hair color.

2. Garnier Fructis Sleek & Shine Anti-Frizz Serum

Garnier’s serum can be enough to convince you to use it for your hair straightening needs.

Moroccan argan oil is one of the main ingredients. This oil is well-known for its ability to reduce frizz. This makes your hair straighter and smoother.

This serum contains argan oil and active fruit protein. It also contains Vitamins B3 & B6. They can also be used to strengthen your hair.

This serum is also lightweight. Even if your hair is thin, this serum works well.

3. John Frieda Frizz Ease Extra-Strength Serum

This serum is a great way to strengthen and smoothen your hair. To reap its benefits, apply it before you straighten your hair.

This serum is especially designed for coarse and thick hair. It is great for flyaway hair, as well as taming frizz.

Color-treated hair This serum can be used without fear that your color will fade.

4. HerStyler Hair Repair Serum

It also contains argan oil, which is a common ingredient in many hair-straightening products. It’s a rich source vitamin E which can help restore hair’s elasticity.

This serum also contains Aloe vera, another useful ingredient. It promotes hair grow and has conditioning properties.

The serum contains only eight ingredients, each of which has been carefully chosen. The serum does not contain any harsh chemicals that could cause hair damage.

The manufacturer also claims that this serum is suitable for all hair types.

5. It’s a 10 Haircare Miracle Styling Serum

Are you looking to make your hair look perfect? This is an alternative option to consider if you are looking for the best hair straightening serum.

Argana spinosa kernel oils is one of the main ingredients in this serum. This emollient contains essential fatty acid, which is good for your hair.

This serum also contains Mauritia Flexuosa oil. This rich source of antioxidants will protect your hair from damage.

Hydrogenated castor oil is another exceptional ingredient in this serum. After you finish straightening, it will make your hair soft and supple.

We love the fact that it doesn’t contain any grease. It doesn’t stick to hair and won’t make it oily.

6. HerStyler Marula Oil Hair Serum

Are you suffering from dry, frizzy hair? Do you want your hair to be straighter and smoother? This serum is another one that you should keep in mind!

This serum contains marula oil, which is the main component. It nourishes the entire body, from the roots to your tips. It is also non-greasy making it easy to apply.

Your hair will feel soft and silky after using this serum. You will not have frizz even if your hair has been straightened.

This serum is also lightweight. This serum is not as thick as other products that can weigh your hair down.

7. Perfect Hair Focus Coconut Oil Hair Serum

Coconut oil is the main ingredient in this serum. This will give your hair more volume and thickness.

This serum also contains olive oil, sweet almond oil, and aloe verde extracts. These ingredients will nourish your hair and increase its shine.

This serum also contains Keratin. This acts as a protective barrier to your hair against damage from elements such as the sun and pollution.

Hair can be damaged if you use a straightener frequently. This serum can help to repair heat damage by strengthening and rejuvenating your hair.

This hair serum does not contain any harsh chemicals. This hair serum does not contain parabens or sulfates, which can cause damage to your hair and scalp.

8. OGX Smoothing + Liquid Pearl Luminescent Serum

The use of pearl extracts is one of the best features of this hair straightening product. This will not only make your hair straighter but also shinier.

This serum also contains sea kelp as a major ingredient. This serum has a high level of iodine, which is beneficial for hair growth.

This hair serum is simple and pure. It only contains the essential ingredients, without any surfactants, parabens or other harsh chemicals.

9. AG Hair Natural Glow Shine Infuse Serum

You can also use this serum before you straighten your hair. This serum is made from natural oils, which can strengthen hair and make it shiner.

One of the main ingredients in this serum is organic sunflower seed oil. This oil is rich in Vitamins A, D and E which will make your hair silky smooth.

Broccoli seed oil is another ingredient in this serum. It forms a protective layer on hair to prevent damage.

This serum also contains tomato seed oil and blackberry seed oils, as well as pumpkin seed oil. This will strengthen your hair.

10. Mixed Chicks Straightening Serum

Straightening products are a popular way to achieve straighter hair. However, the latter can cause hair to become too hot. This serum may help.

This will not only protect your hair from the elements, but it will also reduce drying time by half.

Chamomile extract is one of the main ingredients in this serum. It soothes scalp irritation and adds shine to your hair.

You can also find witch hazel extracts in it. This will reduce frizz and make hair easier to manage.

This serum also contains rosemary which is a powerful source of ursolic acids. This serum will increase scalp circulation and deliver more oxygen.

11. Amika Blockade Heat Defense Serum

Another serum that protects your hair against damage from hair straightening products is this one. This serum reduces heat-related damage.

This serum protects hair from frizz, no matter if you use a blow dryer or straightener iron.

This serum is also lightweight. It won’t weigh down your hair. It’s also non-greasy, and non-sticky.

12. Design Essentials Moroccan Oil Finishing Thermal Serum

This product, like the one mentioned above, provides thermal protection. This serum can reverse any damage caused by heat treatment.

This serum contains Moroccan oil as its main ingredient. It is light and non-greasy. It coats hair and locks in moisture.

This serum will give your hair a shiny, high-gloss look. This serum is great for making your hair easier to manage.

13. Giovanni Repairing Super Potion Hair Serum

This product is a great option for those looking for the best hair straightening serum. It contains coconut oil and blackberries.

Even sensitive scalps can use this product. This serum is free from parabens and mineral oils as well as artificial colors, phthalates, formaldehyde and propylene glycol.

This product is also great for those with colored hair. You can rest assured that your hair will not turn yellow due to the absence of sulfate.

This serum will give you salon-quality hair. You can expect professional results with no toxic ingredients.

14. Nubi Boosting Hair Serum

This hair serum is rich in marula oil which makes it a great choice for straightening. It doesn’t stick to the hair and is easy to absorb.

This serum can be used regularly to keep your hair smooth and shiny after you have used a hair straightener.

It can also be used as a conditioner. This serum is great for dry hair. This serum will revive your hair.

This hair serum also contains vitamin E and aloe Vera. These ingredients can prevent frizz from occurring after straightening your hair.

15. TIGI Bed Head Control Freak Serum

The serum’s name speaks volumes about its capabilities. This serum is a control freak when it comes down to managing flyaway hair and other problems.

It is light and non-greasy, just like many other options for best hair straightening serums. It will not make your hair oily.

This serum will prepare your hair for straightening. This serum will coat your hair and provide protection against heat damage.

16. The New Evolution Hair Serum

This is a great nourishing serum that can be used for hair straightening. It also works well against dryness. This will moisturize your hair and bring it back into life.

This hair serum contains argan oil, also known as liquid gold from Morocco. This oil will give your hair a rejuvenating boost.

Vitamin E is also included in the serum, which protects hair from damage.

Your hair will become shiny and smooth with aloe vera. This will make your hair easier to manage.

17. Vitamins Hair Cosmetics Keratin Serum

You are looking for a cost-effective hair treatment that is affordable? As you look for the best hair straightening product, this is another option worth considering.

We love the fact that this product contains herbal oils. This will protect your hair against external elements such as dust and ultraviolet rays.

Keratin is another amazing ingredient that you will find in this product. This protein will nourish your hair and make it healthier.

It is free from parabens and sulfates like many of the other products we recommend.

18. Foxtail Extra-Ordinary Blow-out Leave-in Hair Serum

This product can be used after heat treatment, unlike most other serums.

This serum, despite being high-performance, is light. Even on hot days, this serum won’t leave your hair feeling sticky.

Keratin is one of the main ingredients, as with many other recommendations in this buying guide. This helps strengthen your hair’s cellular structure, which makes it more resistant to damage.

It also contains pro-Vitamin B5, which makes your hair shiny and not oily.

19. Bain de Terre Recovery Complex Anti-Frizz Shine Serum

Hair can be damaged by constant straightening with styling tools. This serum can help restore hair health.

This hair serum contains monoi and argan oils.

This serum is made with lightweight silicones. These silicones will be applied to your hair to increase shine and reduce frizz. It has a light formula that won’t weigh down your hair while you do this.

It is safe for color-treated hair. This product is safe for sensitive scalps, as it doesn’t contain paraben or sulfate and other harsh chemicals.

20. Design Line Silk Drops Repair and Shine Serum

This serum is a great choice if you have dry, dull hair. You can expect silky, tangle-free hair from the first application.

This serum will work no matter what your hair texture or type is.

This is a great product for those looking for cruelty-free products. This product has not been tested on animals.

21. Lionesse Vitamin E Hair Serum

This hair serum will moisturize your hair with the hydrating vitamins. This hair serum is ideal for dry hair.

This can be a great way to repair damage if you use styling tools often for your hair. It will protect your hair from pollution.

The volumizing properties of this serum make it a great choice. This serum is also great for those with thin or limp hair.

22. Rusk Designer Collection Thermal Serum

Our list of the top hair straightening products includes a product that offers thermal protection. It reduces the heat effects on your hair.

It is made from pure argan oil which is responsible most of the benefits. It will give your hair shine and life without making it oily. It will protect your hair from pollution and restore your hair’s health.

Your hair will look straighter after the application.

Most serums should be used before you style your hair. However, this one can be used after. This will make your hair shiner and easier to manage.

What is a Hair Serum, Anyway?

A silicone-based hair serum is available. It coats the hair’s surface. It doesn’t penetrate your hair strands. This means it won’t alter your hair’s internal structure.

The best serums will leave your hair frizz-free and tangle-free. It can also increase shine. It can be applied before or after styling to make your hair look straighter.

A hair serum can also be a great way to protect your hair against external damage. The serum acts as a barrier against the sun and pollution.

How to Choose the Best Serum for Hair Straightening

It is not easy to make the right decision. These are the most important factors to keep in mind when narrowing down your options.

Look at the Ingredients

One of the most commonly used ingredients in hair serums is silicon. But this is not all that matters.

Look for natural ingredients in your serums as much as you can. It shouldn’t contain harmful chemicals that could cause more harm than good.

Consider Your Hair Type

The right serum for you will depend on your hair type. When choosing the right serum, you should consider what your hair needs are.

A serum that doesn’t make your hair shiny is best for oily hair. You should also consider a serum that will moisturize dry hair.

Tips and Tricks for Straightening Your Hair

The best serum can help but it is not the only thing you have to do. These are our top tips for getting your hair perfectly straight.

  • Make sure you use the correct shampoo and conditioner. Use those specially formulated for straightening your hair.
  • Straighten your hair in sections, just like you would with a serum. You can use hair clips to separate your hair.
  • Choose the right straightener. Even when you heat it, it should not cause hair damage. A hair straightener that has a ceramic tourmaline plates is a good choice.
  • If you’re using a blowdryer, use the cool setting. Although heat can style your hair, cool water will keep it in place.
  • You can also dry your hair with a towel instead of straightening it. Bamboo towels are more absorbent than regular towels.



Are you looking for the best hair straightening serum? Below are some questions we’re trying to answer.

When Should I Start Using a Hair Serum?

Apply a hair serum as soon as your hair becomes dull. A serum is recommended if you are using styling tools to straighten your hair.

What is the Difference between a Hair Oil and Hair Serum?

Although they may have the same texture, serums and hair oils have different functions. Oils penetrate deeply into hair cuticles. This will restore hair after it has been damaged. Serums, on the other hand, will protect your hair from damage and prevent it from happening again.

How Do You Use a Hair Serum?

Apply a little bit to your hair. This should be done per section. Don’t use too many. Make sure to use hairstyling instruments. To add shine to your hair and make it straighter, you can apply a serum.


This is the best hair straightening serum you can use to make your hair look more beautiful!

Hair serums can be used as directed and should be used consistently to reduce frizz and improve shine.

So what are you waiting to do? You can now make your crowning glory shine with a straightening serum.

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