16 Top Hair-Straightening Shampoos: Top Picks for Sleek Hair

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Are you tired of the overwhelming hair care aisle with endless promises of silky, straight locks? We understand the struggle. 

In this article, we’ll help you find the top hair-straightening shampoo for your hair type. 

Woman Washing Head Applying Shampoo On Long Brown Hair Posing With Eyes Closed Sitting In Bathtub In Modern Bathroom At Home

Say goodbye to confusion and discover your hair’s new best friend! Read on to uncover top products that deliver on their promises!

Virtue Smooth Shampoo
Editor's Choice
  • With Alpha Keratin 60ku protein 
  • Repairs and strengthens hair
  • Reduces frizz and flyaways
  • Luxurious lather
Pureology Smooth Perfection Shampoo
Premium Pick
  • Gentle, sulfate-free formula
  • Controls frizz
  • Leaves hair looking smooth and polished
  • Vegan formula
OGX Ever Straightening + Brazilian Keratin Therapy Shampoo
Budget Pick
  • Formulated with a blend of coconut oil, keratin proteins, avocado oil, and cocoa butter
  • Gently cleanses hair without stripping it of its natural oils
  • Smooths and hydrates hair

The Top Hair-Straightening Shampoos

So what is the top shampoo for straightening hair? Here are our top 15 picks!

Unite Lazer Straight Shampoo

The Unite Lazer Straight Shampoo has a sulfate-free formula. It’s your ultimate solution to taming thick, coarse, and rebellious hair.

Key benefits: Makes your hair smoother and straighter; tames coarse hair and leaves a long-lasting pleasant scent


  • Sulfate-free formula suitable for all hair types
  • Gentle cleansing action
  • Irresistible cookie dough-like aroma

This product is the best shampoo for straightening hair that doesn’t only revive but also adds a sparkle of shine to your hair, making you ready to steal the show.

The Unite Lazer Straight Shampoo stands tall with its unique ability to smoothen the hair cuticle without the heavy feel.

If you spend much time using a straightening iron every morning, this is for you! This shampoo leaves your hair smoother and straighter, significantly reducing your hair prep time.

Even for those with oily, color- and keratin-treated hair, the Unite Lazer Straight Shampoo works wonders. It is a lifesaver for days when your hair turns wavy between keratin treatments.

Fanola Smooth Care Straightening Shampoo

The Fanola Straightening Shampoo isn't just a hair care product; it's a game changer for anyone battling unmanageable hair.

Key benefits: Reduces frizz; provides deep hydration; leaves hair soft and manageable


  • Contains cotton oil
  • Cleanser and hydrating treatment in one
  • Salon-sized package

Give your hair the pampering it deserves with this fabulous shampoo that straightens hair.

Infused with cotton oil, the Fanola Smooth Care Straightening Shampoo is infused with cotton oil and promises easier hair straightening and frizz reduction.

After just one use, you’ll be left with remarkably soft, nearly straight, voluminous, and shiny hair, eliminating the need for serums or leave-in products. 

This product works like a charm for people with light curls or those who struggle with frizz. While it might not make your hair pin straight, it makes straightening with heat much easier.

Ogx Frizz-Free + Keratin Smoothing Oil Shampoo

Introducing your hair's new best friend: the best hair straightener shampoo that offers not one, not two, but five incredible benefits. 

Key benefits: Tames frizz; relaxes waves and curls; adds a stunning shine to your hair


  • All-in-one solution with five benefits
  • Infused with keratin, argan oil, and ceramides
  • Tropical fragrance

This hair-straightening shampoo is ideal for curly hair, plus it helps you save time, money, and shelf space with its multipurpose use.

This shampoo reduces frizz, strengthens hair strands, increases flexibility, adds shine, and protects your hair from humidity, making it smoother and more manageable.

Drench your hair in luxury with Ogx’s rich formula that features keratin, argan oil, and ceramides.

This blend nourishes and strengthens your hair from within, reducing breakage and transforming your hair’s overall health and appearance without the oily residue.

Tresemmé Keratin Smooth Shampoo

Introducing a one-of-a-kind solution for those who want perfectly straight, manageable hair.

Key benefits: Smooths and strengthens hair; repairs hair damage; offers a deep, restorative conditioning treatment


  • Professional quality
  • Lower sulfate formula
  • Renewing complex for hair restoration and future damage prevention

This hair-straightening shampoo gives your hair a beautifully sleek finish with reduced frizz.

It not only works wonders to straighten your hair, but it also minimizes frizz and unruliness. Even on those dreadfully humid days, your hair will stand its ground, maintaining that sleek, straight look.

Additionally, this shampoo is infused with keratin, a well-known hair strengthener. This lovely ingredient works from within to fortify your hair, resulting in fewer split ends and less breakage.

Following it up with the conditioner leaves the hair feeling weightless and soft, making detangling a breeze. This hair-straightening shampoo and conditioner set is a real treat for your hair!

Brazilian Blowout Anti-Frizz Shampoo

The Brazilian Blowout Anti-Frizz Shampoo is a great shampoo to help straighten hair while giving it nutrients.

Key benefits: Promises smooth, frizz-free hair; infuses hair with vital moisture and nutrients; provides optimal maintenance for Brazilian blowout treatments


  • Suitable for chemically treated hair
  • Packed with essential hair nutrients
  • Sulfate-free

This shampoo is ideal for anyone seeking to achieve straight hair and maintain the effects of a Brazilian blowout treatment.

This shampoo is infused with keratin that temporarily straightens hair while cleansing it and infusing it with the essential moisture and nutrients it needs. 

It has a sulfate-free formula packed with smoothing proteins for radiant and manageable hair.

The result is a head of hair that’s healthy, beautiful, and frizz-free.

Matrix Total Results Mega Sleek Shampoo

Designed to handle rebellious hair, the Matrix Total Results Mega Sleek Shampoo manages frizz effectively, even against humidity, offering you shiny and smooth hair.

Key benefits: Tames unruly, rebellious hair; reduces frizz; leaves hair smooth and shiny


  • Enriched with shea butter for extra moisture and shine
  • Clarifying formula that gently cleanses the hair
  • Delightful fragrance that lasts

Say goodbye to unruly hair and welcome smoothness with this clarifying shampoo! With every wash, you're one step closer to that dream hair you've always wanted.

The Matrix Total Results Mega Sleek Shampoo features shea butter.

Known for its ultra-moisturizing properties, this ingredient envelopes each strand, delivering intensive hydration and adding a lustrous shine that’ll make heads turn. 

This shampoo gently cleanses your hair, taming those wild, unruly locks, and manages the frizz caused by humidity. With each wash, it works to make your hair smoother, shinier, and straighter.

R+Co Bel Air Smoothing Shampoo

No matter your hair type, be it frizzy, unruly, or thick, the Bel Air Smoothing Shampoo is your hair's new best friend.

Key benefits: Smooths hair; gives a sleek look with every wash; nourishes and strengthens hair


  • Infused with an antioxidant complex
  • Vegan and cruelty-free formula
  • Enriched with powerful smoothing properties

Looking for that silky, sleek look? The Bel Air Smoothing Shampoo is not just a shampoo, it's a game changer.

The real dealmaker here is the unique blend of high-performing ingredients that delivers immediate results. It’s infused with an antioxidant complex that offers a nourishing treat for your hair.

Its formula is designed to smooth and straighten hair, ensuring a just-left-the-salon look with every wash.

Lastly, it’s vegan and cruelty-free so it can accommodate various product preferences. 

Kérastase Discipline Bain Fluidealiste Shampoo

This gentle, sulfate-free shampoo nourishes and smooths your hair, reducing frizz and leaving your locks soft, shiny, and incredibly straight.

Key benefits: Transforms frizzy hair into soft, smooth locks; enhances shine and manageability; reduces hair loss


  • Sulfate-free
  • Powered by Morpho-Keratine complex
  • Gentle and hydrating formula

Want to tame your frizzy, unmanageable, natural hair? This hair-straightening shampoo from Kérastase comes to the rescue!

The Kérastase Discipline Bain Fluidealiste Shampoo is masterfully formulated to tame unruly, damaged, and hard-to-manage hair, with a particular focus on enhancing straight hair.

Its advanced formulation not only addresses frizz but also nourishes and hydrates, restoring health and vitality to your hair.

It is a stellar choice for those seeking to maintain their straight hair’s sleek appearance while ensuring it stays hydrated, nourished, and brilliantly lustrous.

Ogx Ever Straightening + Brazilian Keratin Therapy Shampoo

This hair straightener shampoo boasts a unique blend that leaves your hair looking glossy and well managed.

Key benefits: Enhances hair shine and manageability; strengthens and softens hair; controls cuticles for smoother hair


  • Infused with a rich blend of coconut oil, keratin proteins, avocado oil, and cocoa butter
  • Sulfate- and paraben-free
  • Gentle and suitable for all hair types

Tired of the frizz and longing for naturally smooth hair? The Ogx Ever-Straightening + Brazilian Keratin Therapy Shampoo is here to save the day.

The Ogx Ever Straightening + Brazilian Keratin Therapy Shampoo features a potent formula of keratin protein, coconut oil, avocado oil, and cocoa butter that strengthens your hair.

No matter your hair type, this nourishing shampoo is there to fortify and soften your hair while helping to smooth the cuticle for strong, straight locks.

Plus, it’s sulfate- and paraben-free so it’s gentle on your tresses while delivering the care they need.

L'Oreal Paris Smooth Intense Shampoo

Ever wished for a shampoo that understands the struggle of managing frequently straightened or rebellious locks? Say hello to the Smooth Intense Shampoo from L'Oreal Paris.

Key benefits: Reduces reliance on damaging styling tools; delivers silky smooth hair; gives hair life


  • Infused with pro-keratin and tourmaline
  • Paves the way for effortless straightening
  • Promises up to 48 hours of straight hair

This gem doesn't just clean; it paves the way for that ultra-sleek look, right from the get-go.

With this shampoo, the journey to pin-straight hair starts before you even reach for your straightener. Preparing your strands in the shower will reduce the time spent with those potentially harmful styling tools.

No more battles with unruliness and certainly no flat, stiff, or lackluster outcomes. Your hair will be as soft as silk, from the roots all the way to the tips!

Pureology Smooth Perfection Shampoo

If you want salon-smooth hair in the comfort of your home, the Smooth Perfection Shampoo is your answer. 

Key benefits: Silky and frizz-free hair; effectively cleanses hair; leaves a pleasant fragrance


  • Free of sulfates, parabens, and mineral oils
  • Specifically designed for color-treated tresses
  • Gentle yet effective cleansing

Have you ever dreamt of flaunting runway-ready hair, even in the face of humidity? Achieve it with Pureology’s Smooth Perfection Shampoo!

Pureology’s Smooth Perfection Shampoo is a gentle, sulfate-free elixir specifically crafted for your color-treated locks. It cleanses while giving your hair a smooth and silky touch every time.

This shampoo also helps keep your hair manageable and sleek even with high humidity.

The best thing about this product is that it is free of parabens and mineral oils. As a bonus, you’ll also get a fragrant scent on your hair.

Davines Love Smoothing Shampoo

This smoothing shampoo not only cleanses your tresses but also elevates your entire hair care experience.

Key benefits: Removes frizz; keeps hair beautifully silky; effectively washes away dirt and buildup without stripping hair of its natural oils


  • Infused with vitamins and nutrients
  • Contains minuta olive extract
  • Sulfate- and paraben-free

Feel like a million bucks with hair that looks like you've just stepped out of a salon with this shampoo!

One of the standout qualities of the Davines Love Smoothing Shampoo is its knack for taming curls, along with its anti-frizz action.

The magic ingredient that gives this shampoo its unique touch is the minuta olive extract. Sourced directly from picturesque farms in Italy, this extract infuses your hair care routine with a touch of nourishing luxury.

Moroccanoil Smoothing Shampoo

This moisturizing shampoo tames those wild, frizzy tresses with ease.

Key benefits: Smooths frizzy hair; improves hair manageability; nourishes the hair cuticle


  • With argan oil and argan butter
  • Contains safflower oil phospholipids and yerba santa plant extract
  • Sulfate-, phosphate-, and paraben-free

If smooth, manageable, and heavenly smelling hair is your goal, this Moroccanoil Smoothing Shampoo is your MVP.

Washing your hair with the MoroccanOil Smoothing Shampoo is your first step toward hair that is not just clean but also smooth and manageable.

This shampoo is infused with argan oil and argan butter — Mother Nature’s magic elixir for hair. It doesn’t just make your hair look straight and smooth but also nourishes it from within. 

This smoothing shampoo is also infused with safflower oil phospholipids that make combing a breeze.

John Frieda Frizz Ease Flawlessly Straight Shampoo

John Frieda’s Flawlessly Straight Shampoo promises smoother, manageable, and vibrantly shiny hair.

Key benefits: Smoothes and softens hair for easier styling; gives your hair added shine; reduces frizz


  • Safe for vibrant color-treated locks
  • Enriched with keratin oil
  • Powerful and effective formula

Achieve that silky-smooth, straight-as-a-ruler hair without the use of a hair straightener with John Frieda’s Flawlessly Straight Shampoo!

The Flawlessly Straight Shampoo features a formula infused with the magic of keratin oil that helps smooth unruly strands, setting the stage for a relaxed hair day.

But that’s not all. Beyond just taming that troublesome frizz, this shampoo lends a radiant sheen, ensuring your hair doesn’t just feel good but looks stunning, too.

If you’re worried about your colored tresses, fret not. This shampoo is designed with your needs in mind, so it’s also perfectly safe for color-treated hair.

Virtue Smooth Shampoo

If you’ve ever been caught in a frizzy hair debacle or felt your hair lacked that natural glow, the Virtue Smooth Shampoo is a game changer!

Key benefits: Repairs and strengthens hair; boosts hair shine; reduces frizz and split ends


  • Contains Alpha Keratin 60ku
  • Infused with phospholipids and gotu kola
  • Sulfate-, paraben-, gluten-, and cruelty-free

The Virtue Smooth Shampoo is a real savior for those unruly, coarse, or frizzy strands. It’s packed with restorative ingredients that go way beyond just cleaning your hair.

What’s mind-blowing about this shampoo is that it doesn’t just temporarily mask hair issues; it addresses the root causes. It nurtures and revamps every strand, sealing in essential moisture and a vibrant shine.

It also features Alpha Keratin 60ku protein, which is identical to the keratin found in our hair, skin, and nails. For this reason, using this shampoo results in shiny, bouncy hair that looks like it just stepped out of a hair commercial.

It also contains phospholipids derived from soybeans to fight frizz and gotu kola, an Indian herb that gives your hair strength, smoothness, and shine.

Natural Formula Keratin Intense Pro Straight Shampoo

This product is one of the best straightener shampoos tailored to tame those wild tresses, making hair more manageable, smoother, and shinier.

Key benefits: Improves hair elasticity; rebuilds hair strands; shields straightened hair


  • Formulated with a unique keratin-pentanol combo
  • Free of sodium chloride salt
  • Enriched with hydrating ingredients for softer, smoother hair

Want sleek locks without the flat iron? Try the Natural Formula Keratin Intense Pro Straight Shampoo!

The Pure Keratin Complex Shampoo significantly enhances hair health, providing protection against damage and breakage while maintaining a straightened hairstyle for an extended period.

Every wash promises strength, shine, and a touch that feels heavenly.

This shampoo is laced with pentanol, which boosts the effects of keratin, making its straightening results stay up to three times longer.

A bottle of shampoo with long blonde hair on a beige background.

How Does a Straightening Shampoo Work?

A straightening shampoo’s heart is its active ingredients, which often include proteins like keratin, amino acids, and other smoothing agents.

When you apply the shampoo, these ingredients penetrate the hair shaft, filling in the gaps and rough patches in the hair’s structure. 

By doing this, they smooth out the hair cuticle, reducing frizz and making hair easier to straighten.

Moreover, straightening shampoos usually have moisture-locking properties that help retain hydration, ensuring that the hair remains smooth and becomes less prone to frizziness even in humid conditions.

What To Consider When Buying a Straightening Shampoo

Before you choose which shampoo to buy, here are a few factors to consider:

Hair Type

Selecting a hair-straightening shampoo requires careful thought.

Consider your hair type — curly, wavy, or straight — to find a product that enhances your hair’s natural texture and shine.


Examine the ingredients; look for nourishing elements like keratin and argan oil, and avoid harsh chemicals such as sulfates that can harm delicate or colored hair.

Compatibility With Other Products

Make sure the shampoo aligns with your existing hair care regimen and products. They should complement other products in your arsenal, such as conditioners, serums, and heat protectants.

Brand Reputation

Look for before and after reviews of hair-straightening shampoos from different brands to see their real-life effects. Honest reviews can guide you to make the right choice.

A woman with long brown hair posing on a beige background.

Frequently Asked Questions

Do I Still Need To Use a Conditioner After Using a Straightening Shampoo?

Absolutely! While a straightening shampoo plays a pivotal role in initiating the process of making hair sleeker, using a conditioner after shampooing is equally essential.

A conditioner further aids in locking in the moisture, ensuring the hair doesn’t dry out. The nourishment from the conditioner complements the effects of the straightening shampoo, enhancing the overall look and feel.

Not only will your hair be smoother, but it will also be more manageable. Just make sure to use a conditioner that works well with the straightening shampoo you use.

How Soon Can I Expect Results From Using a Hair-Straightening Shampoo?

Most users report seeing a noticeable difference right after their initial use. After washing with a straightening shampoo, hair typically looks less frizzy and feels considerably softer.

Over consistent usage, one can expect an increasing reduction in curls and waves. It’s like having a mini hair spa treatment at home.

So if you’re hoping for that sleek, straight appearance without resorting to heated tools every day, giving straightening shampoos a try can be a game-changer.

Is There a Permanent Hair-Straightening Shampoo?

No, there isn’t a shampoo that can permanently straighten hair.

Hair-straightening shampoos can smooth the hair cuticle, reduce frizz, and give a straighter appearance, but their effects are temporary.

If you want long-lasting results, opt for treatments like keratin or Brazilian blowouts, but remember that these still require periodic touch-ups. It’s best to consult a professional for hair-straightening decisions.

A woman is washing her hair in the shower.

Achieve Sleek, Smooth, and Frizz-Free Hair With the Top Hair-Straightening Shampoo

Hair-straightening shampoos can be your new go-to for flawless, straight locks. With just a wash, you’ll unlock the secret to effortlessly straight, silky strands. Why wait for a salon when smooth glamor is just a shampoo away?

So on your next beauty haul, make a beeline for the hair-straightening shampoo aisle and join the ranks of those enjoying the straight and narrow path to dazzling hair days.                            

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  • Shai Urbano

    Shai is a licensed pharmacist with a Bachelor of Arts in Pharmacy. She uniquely intertwines her medical expertise with a fervent passion for beauty. With an intrinsic understanding of ingredients and formulation, she's the proud creator of her own line of products designed exclusively for naturally curly hair. Over her four-year writing career, Shai consistently delivers content enriched by her distinct blend of knowledge and enthusiasm.

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