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10 Best Hair Straightening Shampoos 2021 | Buying Guide

Have you straightened your hair? Want to maintain it for too long? Or worrying about your unruly hair locks? Then, it is necessary to use hair straightening shampoos.

The hair straightening shampoo offers a complete solution for all these problems because of its formulation.

This can make your hair softer, sleeker, and straighter besides cleansing and conditioning hair.

The word straightening doesn’t mean a flat or ironed look, and instead of frizz and messy-free look.

When it comes to hair straightening shampoos, there are a lot of options out there. So, it is vital to choose the right and best shampoos for better results.

Here we compiled the best hair straightening shampoos that professionals recommend. So, look at the lists below and choose the one that suits your hair and budget.

Advantages of Using Hair Straightening Shampoos

Before we talk about the products, it is important to understand the benefits of using hair straightening shampoos.

  • It makes your hair sleek and shiny
  • Eliminates frizz and roughness
  • Prevents tangles hair
  • Easy to tie or style your hair
  • Allows you to use heat tool for various styling hair

Best Hair Straightening Shampoos 2021

Here are the top best hair straightening shampoos for your references. We are sure this will help you make straightening hair as they are professionals recommended.

1. L’Oreal Paris Smooth Intense Ultimate Straight Shampoo

The hair straightening shampoo by Loreal is our top pick as this condition and nourishes hair while straightening it.

It helps remove hair tangles on your hair, making it more manageable.

Deal your hair with heating tools post shampooing hair for better straightening effects.

This will help you achieve a perfectly straight finish, which lasts up to 48 hours.

Key Ingredients: Sodium Lauryl Sulfate, Sodium Laureth Sulfate, Carbomer, Guar Hydroxypropyltrimonium Chloride, etc.

Pros

  • A small amount is complete enough for any length of hair
  • Impressively packed
  • Prevents from dryness
  • Controls frizziness
  • Keeps your hair hydrated and nourished

Cons

  • Includes some chemicals

2. Agave Healing Oil Smoothing Shampoo

Our other pick is Agave Smoothing Shampoo, which is one of the hairs straightening shampoos by professionals recommended.

This is one of the popular brands among salon industries, which fight against frizz and roughness of hair with its formulation.

This contains shea butter and amino acids for soft, sleek, and smooth hair.

Agave is highly recommended for both straight and color-treated hair to maintain the straight and silkier texture for a more extended period.

Key Ingredients

Sodium Laureth Sulfate, Sodium Chloride, Salicylic Acid, Dimethicone, Disodium Cocoamphodiacetate, Cetyl Alcohol, Hydroxystearyl Cetyl Ether, Hexylene Glycol, Fragrance, Propylene Glycol, Benzoic Acid, Guar Hydroxypropyltrimonium Chloride, etc.

Pros

  • Fragranced nicely
  • Straightens and smooths the hair
  • Eliminates frizz and tangles
  • Natural look
  • Nourishes hair from the root

Cons

  • Rare to find
  • Little expensive

3. L’Oreal Professionnel XTenso Care Pro-Keratin + Incell Hair Straightening Shampoo

Xtenso Care is another popular product for straightening finish. This is specifically designed to restore the moisture level while straightening hair.

Since this is retaining the moisture, it doesn’t dry or damages your hair. Besides that, it leaves your hair sleek and straight for a long time by controlling the hair volume.

It includes Pro-Keratin and Incell technology to cleanse your scalp and hair, improving hair fiber’s elasticity.

So, this would be the best choice for chemically treated hair as it fights against breakages and dryness as well.

Key Ingredients

Pro-Keratin and Incell Molecule.

Pros

  • Imparts smooth and straight finish
  • Leaves no hair damages and breakages
  • Helps eliminate tangles
  • Don’t flat or limp the hair
  • Pleasant fragrance
  • This is affordable than others

Cons

  • Its bigger size container is not travel-friendly, so go for the medium ones.

4. Kerastase Nutritive Bain Oleo-Relax Smoothing Shampoo

The smoothing shampoo by Kerastase is ideal for unruly hair that is caused by humidity.

This shampoo helps control the volume and makes your hair straighter and smoother.

What’s great about the product is it minimizes frizziness even at 80% humidity levels.

The ingredients like polymer silicones and shorea oil are included in this shampoo for shinier and healthier hair.

This shampoo also helps lock moisture inside the hair follicles, ensuring this never leaves your hair into the damages like dullness, dryness, etc.

Key Ingredients

Sodium Laureth Sulfate, Sodium Cocoate, Benzyl Alcohol, Benzyl Salicylate, Shorea Robusta Butter / Shorea Robusta Seed Butter, Citronellol, Geraniol, Linalool, Methyl Cocoate, etc.

Pros

  • Moisturizes the hair within
  • Makes your hair shinier and healthier
  • Treats tangles and frizzes well
  • Nourishes your hair from the deep

Cons

  • Highly expensive

 5. Sunsilk Perfect Straight Shampoo

The Sunsilk Perfect Straight Shampoo is another good product for straightening hair with its straight lock technology.

This shampoo helps align your hair in a straight line once it’s dried out.

This nourishes your hair strands from the deep, providing you with straight, smooth, and shiny hair.

So, this is the best for curly hair as this treats tangles and curls and eliminates them efficiently.

Key Ingredients

Sodium Laureth Sulphate and Silicone

Pros 

  • Treats frizz
  • Makes your hair smooth and silky
  • Budget-friendly
  • Available both and online and offline platforms
  • straight lock technology

Cons

  • Includes SLS and silicones that might not be suitable for some hairs.

6. TRESemme Keratin Smooth Shampoo

The Tresemme Keratin Smooth Shampoo is specifically designed for curly or tangled hair. This is enriched with argan oil and Keratin to smoothen and nourish hair.

This formulation leaves no curls or tangles on your hair, making them straighter, firmer, and smoother.

With regular use, you can notice a significant improvement in your hair texture!

This also helps retain the Keratin content on your hair, making your hair shiner and easy for styling with various options.

Key Ingredients

Sodium Laureth Sulfate, Citric Acid, Cocamidopropyl Betaine, Dimethiconol, DMDM Hydantoin, Carbomer, Styrene/Acrylates Copolymer, Glycol Distearate, Guar Hydroxypropyltrimonium, Glycerin, Potassium Chloride, Fragrance (Parfum), Chloride, Tetrasodium EDTA, Tea-Dodecylbenzenesulfonate, Hydrolyzed Keratin

Pros

  • Low Sulphate
  • Control’s frizz
  • Deal with tangles
  • Keeps hair straighter and shinier for a long time
  • Doesn’t add puffiness to the hair after drying out
  • Budget-friendly

Cons

  • This is not a good option for thin and limp hair

 7. John Frieda Frizz Ease Flawlessly Straight Shampoo

The John Frieda Frizz Ease Straight Shampoo is one of the best and preferable shampoos on the market.

What makes the product great is its conditioning agents, which deeply get into the hair strands and moisturize them effectively.

Besides moisturizing, it makes your hair sleek and silkier!

This shampoo is ideal for unmanageable wavy and curly hair and color-treated hair with its conditioning properties.

For better results, try out the conditioner from John Frieda post shampooing.

Key Ingredients

Sodium Laureth and Lauryl Sulfate, Sodium Chloride, Betaine, Benzyl Alcohol, Cocamide MEA, Cetyl Alcohol, Cocamidopropyl Betaine, Disodium EDTA, Dimethicone, Glycine, Glycol Distearate, Glyceryl Oleate, Guar HydroxypropylTrimonium Chloride, Hydrolyzed Keratin, Malic Acid, Laureth-23, Laureth-4, Parfum, Polyquaternium-7, Simmondsia Chinensis Seed Oil, Tocopheryl Acetate, etc.

Pros

  • Packed amazingly
  • Pleasant fragrance
  • Prevent hair from dryness and other damages
  • Impressive formulation
  • Moisturizes hair

Cons

  • It is quite pricier

8. Hask Keratin Protein Smoothing Shampoo

 

Do you want to see a great improvement in your hair texture? Then, choosing the Kash Keratin Protein Smoothing Shampoo is the best option as this contains hydrolyzed Keratin for frizz and tangle-free hair.

The significant fact about this shampoo is it is harmful chemicals-free like parabens, alcohol, gluten, etc.

This is the best option for chemical-treated straight hair and regular hair as it is sulfate-free.

Key Ingredients

Cocoyl Hydrolyzed Keratin, Cocos Nucifera (Coconut Oil), Hydrolyzed Collagen, Keratin Amino Acids, Keratin, Hydrolyzed Keratin, Sesamum Indicum (Sesame) Seed Oil.

Pros

  • No parabens, alcohol, and gluten
  • Sulfate-free shampoo
  • Pleasant smell
  • Makes your hair straight and sleek
  • Naturally derived ingredients

Cons

  • Very expensive

9. R+Co Bel Air Smoothing Shampoo

The Keratin Shampoo by R+Co nourishes and conditions your hair, making it look smooth and silkier.

This shampoo is very gentle on the hair and scalp and removes impurities effectively!

The ingredients like shea butter are infused with this shampoo for a more radiant and natural finish.

This deeply gets into the hair and gives an ultra-straight finish for a long time!

Key Ingredients

Sodium Lauroyl Lactylate (Palm Oil*), Sodium Lauroyl Sarcosinate (Coconut Oil*), Butyrospermum Parkii (Shea*) Oil, Cocamidopropyl Betaine (Coconut Oil*), Cocos Nucifera (Coconut*) Oil, Citric Acid (Fruit Acid*), Decyl Glucoside (Coconut Oil*), Glycol Stearate (Palm Oil*), Hydrolyzed Pea (Keratin*) Protein, Lauryl Glucoside (Coconut Oil*), PEG-120 Methyl Glucose Dioleate (Rapeseed Oil*), Psidium Guajava (Guava*) Fruit Extract, Silicone Quaternium-17, Polyquaternium-10, Diazolidinyl Urea, a. (Derived Source*).

Pros

  • Nature-derived ingredients
  • Sulfate-free
  • Paraben-free
  • Gluten-free
  • Safe
  • Ideal for color-treated hair
  • Imparts improved texture

Cons

  • Price is higher

10. Ogx Ever Straight Brazilian Keratin Therapy Shampoo

This is one of the best hairs straightening shampoos by OGX, enriched with the goodness of many ingredients like avocado oil, coconut oil, cocoa butter, keratin proteins, making the hair smoother and firmer.

This also helps strengthen hair strands and gives them a more improved texture.

It helps control frizz or tangles and gives a straight and shiner look.

Key Ingredients

Cocos Nucifera (Coconut) Oil, Hydrolyzed Keratin, Dimethicone, Persea Gratissima (Avocado) Oil, Panthenol, Theobroma Cacao (Cocoa) Seed Butter,

Pros

  • Pleasant aroma
  • Great on frizz hair
  • Reduces puffiness
  • Improved hair texture with regular use
  • Excellent formulation

Cons

  • Expensive

 

Why Straightening Shampoos? 

The straightening shampoos are great for any type of hair that helps to achieve the straight finish for a long time.

These are better than ordinary shampoos as they contain soothing agents that stick around the hair strands even after rinsing hair.

They are the best for long-lasting frizz and roughness control. There are many ingredients included in this shampoo for perfect and expected results.

However, some ingredients need to be avoided, which can be found in many straightening shampoos nowadays.

They are harmful chemicals don’t suitable for your hair and scalp. Here are the lists of chemicals for your reference.

1. Silicone

It is a common factor that using heating tools on your hair post washing for fabulous styling. In this case, it is necessary to apply the hair straight product or protection serum before go for styling. This has to be done before styling and after shampooing.

The conditioning agents in the shampoo settle on the hair after rinsing hair that maintains smoothness for a longer period.

The combination of these two helps protect hair from heat and make them more effective straight.

Silicone-based shampoos are activated with heat and form microfilm around the hair strands to lock the moisture inside the hair.

Besides moisturizing hair, it will also speed up the heating process while styling hair with a blow dryer or flat ironer. So, there is no need to worry about the damaged hair.

Though silicon is one of the important ingredients to control frizz by weighing them down and is not suitable for some hair as it damages the hair.

This can affect the hair with many hair damages such as dryness, greasy hair, itchy and dirty scalp, etc. We advise you to carefully handle the straightening shampoos with silicone, especially for sensitive scalp users.

2. Sulfate

One thing to be noticed on straightening shampoos is sulfates, as they may harm your hair and scalp.

It doesn’t mean sulfate is not a bad ingredient, which is not suitable only for damaged hair, color-treated hair, or dry hair as they remove a natural oil on your hair and make them even worse.

The sulfate-based shampoos are good at removing hair dye and smoothening abilities from your hair and leaving your hair dry and damaged.

Generally, sulfate is a common ingredient in most shampoos as it helps to cleanse both hair and scalp effectively. However, there are some shampoos that can do the same fact without sulfate.

So, always be mindful of the ingredients when selecting the shampoos. If you go with sulfate-based shampoos, try to use conditioner after shampooing hair.

What Shampoo Makes Your Hair Smooth and Straight?

When you go for straightening shampoos, there is a need to look for some ingredients for better and effective results.

Though keratin proteins, silicone, and artificial ingredients contribute to smooth and straight hair, some natural ingredients are mixed with it to get the job done well. So, they are safe and gentle on any hair type.

Artificial Ingredients

It is commonly believed that the products with artificial ingredients are better at what they do than natural ones. But now, most natural shampoos are great at doing more than the shampoos with artificial ingredients.

It’s generally believed that artificial shampoos are bad for hair. It’s not actually true; in fact, they have been tested several times before getting into the market.

So, some also offer better results on some hair than expected in real. But picking up natural shampoos is also a good option for some hair.

To sum it up, both are more effective and greater at some types of hair. So, choose the ingredients based on your hair and scalp type.

What are the Best Products for Straightening Hair?

Choosing the best straightening shampoo is totally up to your will and situation. To make things clear and easier for you, here we come up with some ingredients.

A motto of the best straightening shampoo is to offer straight hair and a clear scalp. In this case, going with the keratin protein-based shampoos is a great option, while natural ones are also good to go as they nourish and straighten hair with its nourishing oils.

However, at the end of the day, it is necessary to give importance to its key ingredients for your own hair care. They are totally based on hair and scalp type and how they react to the ingredients of the straightening shampoos.

1. Keratin-Based Products

Keratin is one of the key ingredients for straightening hair, connected with hair straightening shampoos. Keratin is a protein that makes your hair and skin resistant to any damages. So, your hair may get damaged when it lacks Keratin.

All the straightening shampoos are included to protect hair from any damages while cleansing the scalp and straightening the scalp.

Besides shampoos, it is also good to go for styling products with Keratin to prevent hair from heat damages.

The straightening shampoos with Keratin are resistant to various styling tools like a blow dryer, hair ironer, etc.

This also conditions the hair well and helps remove frizz and tangles from your hair and make them more manageable.

However, this can leave your hair greasy, oily, and weighed down when used more concentrated. So, keep this in your mind if you prefer keratin-based straightening shampoos.

2. Natural Oils

Natural oils are also one of the key ingredients used in most hair straightening shampoos. In fact, most shampoos on this list include these oils.

This is packed with conditioning agents that nourish, moisturize, and smooth hair. Natural oils like coconut oil work well in hair follicles and lock the moisture within them.

Apart from that, it effectively controls and eliminates frizz and roughness from the hair and makes them more manageable.

Though these ingredients are not necessary but essential for outstanding results, the shampoos are safe for any hair type, even sensitive and damaged hair with these oils.

Frequently Asked Questions & Answers

Why Are Silicones Added in Straightening Shampoos?

Silicone is one of the ingredients available in the most straightening shampoos with its straightening effect. This is excellent in making the hair straighter and smoother for longer.

The silicone coat settles on the hair well and locks the moisture inside. Besides that, they help in weighing down the hair to make it straight.

But the sad factor is it sticks to the hair around and doesn’t wash out easily even after rinsing hair. So, this may damage the hair in the longer run.

Do Hair Straighten Shampoos Really Straighten Curly Hair?

It is impossible to achieve a straighter look instantly, but you can grab it gradually with regular use. The straightening shampoos help you grab frizz and roughness-free hair. If your hair is curly or wavy, it is hard to straighten the hair without undergoing heat or a chemical rebonding process.

However, you can notice the changes in your hair structure when used regularly.

Is There a Risk of Hair Fall with Straightening Shampoos?

When it comes to hair straightening shampoos, you can see a higher percentage of chemicals like silicone than regular shampoos.

It is hard to eliminate these ingredients, but they sit for long in the hair instead!

They may weaken your hair strands and damaged hair and scalp with various factors such as dandruff, dryness, itchy scalp, and others if used for long.

Sometimes, it may behind your hair fall, so go with straightening shampoos with natural ingredients if you decide to use them regularly.

Conclusion

These are the best hair straightening shampoos around the world. As discussed, they cannot replace the role that styling tools do.

Overall, the hair straightening shampoos are for roughness-free and frizz-free hair. They make your hair silkier, shinier, and smoother.

We hope this guide will help you in choosing the best straightening shampoos for your hair. We are sure the listed products work well on your hair as they are professionally recommended!

 

 

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