Beauty/Hair/Shampoos & Conditioners/Shampoos
Top 10 Straightening Shampoos

According To Reviewers, These 10 Shampoos Can Smooth And Straighten Hair Like No Other

Whether you’ve got chaotic curls or textured waves, you can probably relate to the feeling of coveting smooth, frizz-free strands. But before you reach for your heat tools, you should know there’s another option out there: hair straightening shampoo.

Straightening shampoos are packed with powerful ingredients like keratin and shea butter that leave your locks silky-smooth. And while these products won’t magically change the texture of your hair, they’re super effective at taming unruliness so that styling your strands (whether you opt to air dry or blow them out) is a much more manageable task.

If your interest is piqued, there’s more to get excited about, because we’ve curated a list of the 10 best hair straightening shampoos around. 

How We Found The Best Hair Straightening Shampoos

It’s a tedious task to comb through user reviews and best-seller lists, which is why we put our ranking algorithm on the job. Unique to Rank & Style, this tool uses data to find and grade products so that you can have a better shopping experience. Ahead, find out which shampoos made the cut, from salon-approved brands like R+Co and Moroccanoil to niche cult-favorites like Sol De Janeiro and Davines.

Next up, check out the 10 Best Shampoos Of 2022.

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July 8, 2022

Words:Sierra Rogers

Product Expert:Georgia Jones

Top 10 Lists serve as unbiased shopping guides to the most trusted product recommendations on the internet. Products are scored and ranked using an algorithm backed by data consumers find most valuable when making a purchase. We are reader-supported and may earn a commission when you shop through our links.

The Rankings


Unite Hair Lazer Straight Shampoo

Our Score4.25

WHO IT'S FOR: Ideal for dry and dehydrated hair, this shampoo combines popular ingredients like argan oil and shea butter that are proven to fight frizz and add moisture. If you live in a humid climate, look no further. Reviewers raved about this shampoo's abiliy to beat the heat.

USER REVIEW: "I have oily, color-treated, and keratin-treated hair, and I got this to use between keratin treatments when it starts to want to get wavy. It’s amazing beyond belief, and the bonus is that it smells like cookie dough! What’s not to love?"

Cruelty free

Cruelty Free

Matrix Total Results Mega Sleek Shampoo

Our Score4.3

WHAT IT DOES: Matrix’s Mega Sleek Shampoo gently cleanses strands while boosting smoothness. Designed to protect hair from humidity and tame frizz and flyaways, this shampoo promises to make hair straight and silky without weighing you down.

WHO IT’S FOR: This hair straightening shampoo is suitable for natural or color-treated hair, and the addition of shea butter in the formula makes it a great option for restoring damaged locks. 

R+Co Bel Air Smoothing Shampoo

Our Score4.35

NOTEWORTHY INGREDIENTS: Beloved by hair stylists around the country, R+Co has developed an extensive line of award-winning products that are all color-safe, heat- and UV-protective, vegan, and cruelty-free. Their Bel Air Smoothing Shampoo is no exception, with a formula packed with natural ingredients such as artichoke extract, plum seed oil, and okra seed extract.

HOW IT WORKS: The Bel Air straightening shampoo and conditioner combo is made for thick, curly, and frizzy hair. With the help of powerful smoothing ingredients, it leaves hair noticeably shinier and smoother. Plus, the scent behind the product features hints of cardamom, pineapple, tangerine, and lavender.

Cruelty free

Cruelty Free

Kérastase Discipline Smoothing Shampoo

Our Score4.35

WHAT IT DOES: This anti-frizz straightening shampoo is designed to smooth hair while adding softness and radiance. Ideal for those with wavy, curly, and unruly hair, the Discipline Smoothing Shampoo is formulated with surface protectors and softening agents in order to make hair more manageable.

REVIEW HIGHLIGHT: Here’s what one reviewer has to say about Kérastase’s Discipline Smoothing Shampoo: “I have thick, curly hair that was dry, brittle, and frizzy. This shampoo (and conditioner) transformed my hair into soft, silky, bouncy curls. Seriously—my hair has never been so shiny from just air drying.”

OGX Ever Straightening + Brazilian Keratin Therapy Shampoo

Our Score4.45

WHAT IT DOES: If you’re looking for a shampoo to make your hair straight and silky, OGX’s Ever Straightening + Brazilian Keratin Therapy Shampoo might be the one for you. With smoothing superpowers that will leave your locks glossy and shiny, it’s hard to believe you can snag this product for under $10.

NOTEWORTHY INGREDIENTS: As you might have guessed from the name, keratin, a structural and protective protein that naturally occurs in hair and nails, is the primary ingredient present in this shampoo. There’s also coconut oil, avocado oil, and cocoa butter for added moisture.

Cruelty free

Cruelty Free

Amika Velveteen Dream Smoothing Shampoo

Our Score4.5

WHAT IT DOES: Amika’s Velveteen Dream Smoothing Shampoo isn’t designed for straightening out your curls exactly, but what it will do is smooth everything over and refine your natural texture for a sleek, frizz-free finish. And with time-released humidity protection, you won’t have to worry about an unexpected afternoon drizzle bringing you down.

NOTEWORTHY INGREDIENTS: Here’s what’s in the Velveteen Dream Smoothing Shampoo: Provitamin b5, a supplement that conditions hair and supports resilience, and sea buckthorn, a superfruit packed with fatty acids and antioxidants that nourishes the scalp.

Cruelty free

Cruelty Free

Pureology Smooth Perfection Shampoo

Our Score4.5

WHAT IT DOES: With a 100% vegan formula featuring shea butter and camellia, this best-selling hair straightening shampoo from Pureology is made to control frizz and restore hair’s manageability. Oh, and it also provides protection against stripping for those with color-treated hair.

REVIEW HIGHLIGHTS: The Smooth Perfection Shampoo has over 500 five-star reviews, with one shopper going so far as to call it “...the holy grail for hard-to-straighten hair.” 

Cruelty free

Cruelty Free

Davines Love Smoothing Shampoo

Our Score4.55

NOTEWORTHY INGREDIENTS: Indian fig extract is the powerhouse behind this hair straightening shampoo, and get this: figs are known for being home to some of the most hair-friendly nutrients. In fact, Indian figs are rich in vitamins C and E, which fight hair loss and stimulate blood circulation at the scalp.

HOW IT WORKS: Smooth, silky, shiny hair is right around the corner, because Davines’ Love Smoothing Shampoo is designed to deeply moisturize and nourish your strands. Made for those with frizzy, dry hair, reviewers say that their hair has never been softer than after using this shampoo.

Cruelty free

Cruelty Free

MoroccanOil Smoothing Shampoo

Our Score4.65

WHAT IT DOES: This rich, highly concentrated hydrating shampoo is made to smooth over unruly and frizzy hair. The formula features Moroccanoil’s proprietary AminoRenew ingredient, which helps realign the hair’s natural keratin structure. Plus, Moroccanoil products are usually carried by salons, so the fact that you can buy this straightening shampoo from Amazon is a modern-day miracle.

REVIEW HIGHLIGHTS: Reviewers mention that a little goes a long way with this product, which is nice to know considering it’s not the cheapest option on our list. 

Cruelty free

Cruelty Free

It's A 10 Haircare Miracle Shampoo Plus Keratin

Our Score4.75

WHAT IT DOES: The #1 pick on our list of the best hair straightening shampoos is known for being a multi-talented product. For instance, not only does this shampoo leave your hair bouncier and softer with every use, but it also shields strands from damage caused by heat tools and the environment while preventing color-treated hair from feeling and looking stripped.

NOTEWORTHY INGREDIENTS: So, what’s in the formula for this best-selling shampoo? First of all, keratin protein, which restores hair’s lost moisture and strength. And there’s also sweet almond oil, an emollient that infuses shine from root to tip, plus Chinese tea leaf, an antioxidant-rich supplement that enhances overall hair health.

Cruelty free

Cruelty Free

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