5 Best Shampoos for Keratin Treated Hair Reviewed in 2025 – Best Shampoo for…

When I first got my keratin treatment, I was absolutely thrilled with the results. My hair, which used to be a frizzy, unruly mess, became incredibly smooth, shiny, and so much easier to manage. But then came the panic: “How do I make this last? Am I going to wash it all away?” I quickly learned that the secret to maintaining that salon-fresh look isn’t just about the treatment itself, but about using the best shampoo for keratin treated hair. It’s an investment, after all, and you want to protect it!

IMAGE	PRODUCT NAME	AMAZON LINK
	Keratin Complex – Color Care Smoothing Shampoo – 13.5 fl…	View on Amazon
	Keratin Shampoo and Conditioner Set – Sulfate Free and…	View on Amazon
	OGX Ever-Straight Brazillian Keratin Therapy Shampoo, 13…	View on Amazon
	Moroccan Argan Oil Shampoo and Conditioner Set – Sulfate…	View on Amazon
	Keratin Complex – Keratin Care Smoothing Shampoo – 13.5…	View on Amazon

I’ve personally spent a lot of time researching, trying, and comparing different products to find out what truly works to keep those smooth strands intact and frizz-free. Using the wrong shampoo can strip away the keratin, undoing all the benefits you paid for. That’s why opting for sulfate-free and sodium chloride-free formulas is non-negotiable. They’re designed to be gentle, preserving the keratin bonds and extending the life of your treatment.

In this guide, I’ll walk you through five top-rated shampoos that I’ve found to be excellent choices for anyone with keratin-treated hair. We’ll dive into what makes each one stand out, their practical benefits, and who they’re best suited for, helping you pick the perfect match for your hair care routine.

Our Top 5 Picks for Best Shampoo for Keratin Treated Hair

1. Keratin Complex – Color Care Smoothing Shampoo

This shampoo quickly became a staple in my routine because it genuinely delivers on its promises. If you’re like me and have both keratin-treated and color-treated hair, finding a product that caters to both without compromise is a lifesaver. This formula is incredibly gentle, effectively cleansing my hair without making it feel stripped or dry, and it really helps to maintain that sleek, smooth finish I love. The triple-protein and keratin blend feels like a real treat for my hair, leaving it looking healthier and noticeably shinier after each wash. It’s definitely a premium option that helps protect your investment.

Key Features:
– Color-safe and keratin-enhanced formula.
– Free of sodium chloride and sulfates to protect treatments and color.
– Gently cleanses while minimizing frizz and flyaways.
– Triple-protein and keratin blend conditions and restores strength.
– Leaves hair healthier-looking, smooth, and shiny.
– Great for all hair types including dry, damaged, color-treated, and keratin-treated hair.

Pros:
– Specifically formulated for dual protection (color and keratin).
– Extends the life of both treatments effectively.
– Leaves hair incredibly smooth, shiny, and manageable.
– Gentle cleansing action prevents stripping.
– Strengthens hair with its protein blend.

Cons:
– Higher price point compared to drugstore brands.
– Might not be readily available everywhere.

Best for: Individuals with both keratin and color-treated hair who want maximum protection and frizz control.

User feedback summary: Many users rave about how this shampoo keeps their hair feeling soft, smooth, and frizz-free for weeks after a keratin treatment, and how well it preserves their hair color without drying it out.

2. Keratin Shampoo and Conditioner Set – Sulfate Free and… (Bellisso)

When my hair was feeling a bit fragile and prone to breakage after repeated styling, I decided to try a set focused on strengthening. This Bellisso Keratin Shampoo and Conditioner set truly made a difference. It’s designed to form a protective barrier around each hair strand, which I felt translated into less breakage and a stronger feel over time. The fact that it’s packed with nourishing ingredients like argan oil, collagen, and vitamin B5, on top of being sulfate and paraben-free, really gives me peace of mind. It’s a great comprehensive solution if you’re looking to repair and strengthen your keratin-treated hair, and getting both the shampoo and conditioner ensures your routine is fully compatible.

Key Features:
– Strengthening keratin helps prevent breakage by forming a protective barrier.
– Salon-grade formula with argan oil, collagen, vitamin B5, and silk protein.
– Sulfate-free and paraben-free, gentle on the scalp.
– Never tested on animals.
– Designed for all hair types, including color-treated, bleached, dry, frizzy, curly, and wavy locks.
– Helps reverse signs of damage like brittle hair and dry split ends.

Pros:
– Provides excellent hair strengthening and protection.
– Rich in nourishing ingredients for deep repair.
– Sulfate and paraben-free, and cruelty-free.
– Suitable for a wide range of hair types and conditions.
– Comes as a set for a complete, compatible hair care routine.

Cons:
– Might be too rich for very fine hair if used excessively.
– Results are from using the set, not just the shampoo.

Best for: Those with fragile, damaged keratin-treated hair prone to breakage, seeking a complete, strengthening, and nourishing shampoo and conditioner system.

User feedback summary: Users frequently praise this set for making their hair feel significantly stronger, softer, and more manageable, helping to prolong their keratin treatment and reduce frizz.

3. OGX Ever-Straight Brazilian Keratin Therapy Shampoo

I’ve always appreciated OGX for offering quality hair care at an accessible price, and this Brazilian Keratin Therapy Shampoo is no exception. It’s a fantastic everyday option for maintaining smoothness and shine without breaking the bank. I love its exotic scent – a mix of coconut, brazil nut, and cocoa butter – which makes my shower feel a bit more luxurious. It’s formulated with a blend of Brazilian keratin protein, avocado oil, and coconut oil, which really helps to hydrate my strands and leave them feeling incredibly soft and looking glossy. While it might not be as intensely repairing as some salon-exclusive brands, it’s a reliable choice for daily use that definitely helps keep my keratin-treated hair looking its best.

Key Features:
– Hydrates strands, leaving hair extra-glossy with a lustrous shine.
– Strengthens and softens hair while smoothing the cuticle.
– Formulated with Brazilian keratin protein, avocado oil, coconut oil, and cocoa butter.
– Sulfate-free surfactant system and paraben-free.
– Pleasant coconut, brazil nut, and cocoa butter scent.
– Gentle on tresses.

Pros:
– Very affordable and widely available.
– Leaves hair soft, shiny, and smooth.
– Pleasant and long-lasting scent.
– Sulfate-free formulation is gentle on keratin treatments.
– Good for everyday maintenance.

Cons:
– May not provide the intensive repair some severely damaged hair needs.
– Some users might prefer a pure sulfate-free formula over a sulfate-free surfactant system.

Best for: Budget-conscious individuals looking for an effective, everyday shampoo to maintain the smoothness, shine, and manageability of their keratin-treated hair.

User feedback summary: Reviewers often highlight the shampoo’s amazing scent and its ability to leave hair feeling incredibly soft, smooth, and shiny, making it a favorite for daily use on keratin-treated hair.

4. Moroccan Argan Oil Shampoo and Conditioner Set – Sulfate Free and… (Bingo Hair Care)

For those times when my keratin-treated hair felt particularly dry and prone to frizz, this Moroccan Argan Oil set from Bingo Hair Care was a revelation. It focuses heavily on deep hydration, thanks to the star ingredient: argan oil. This oil has been a secret weapon for centuries, and I can see why – it truly tames frizz and imparts an incredible shine that makes my hair look salon-fresh. Like the other top picks, it’s completely sulfate and paraben-free, which is crucial for protecting my treatment. It’s a salon-grade formula that really penetrates deep into the hair strands to nourish from within, which is exactly what dry, damaged hair needs. If intense moisture and dazzling shine are your top priorities, this set won’t disappoint.

Key Features:
– Hydrating argan oil tames frizz, gives incredible shine, and nourishes.
– Sulfate-free and paraben-free, never tested on animals.
– Active oils bind to hair, reducing flyaways and creating a smoothing effect.
– Salon-grade formula developed with experts.
– Suitable for all hair types, including color-treated and bleached hair.
– Helps reverse signs of damage by hydrating from within.

Pros:
– Exceptional for deep hydration and frizz control.
– Delivers remarkable shine and smoothness.
– Sulfate and paraben-free, and cruelty-free.
– High-quality, salon-grade formulation.
– Great for color-treated hair and repairing damage.

Cons:
– Focus is more on argan oil benefits than pure keratin replenishment.
– As a set, the shampoo alone might not provide full benefits.

Best for: Individuals with dry, frizzy, or damaged keratin-treated hair who prioritize deep hydration, brilliant shine, and frizz reduction through the power of argan oil, and who prefer a complete shampoo and conditioner system.

User feedback summary: Users consistently report a significant reduction in frizz and a noticeable increase in shine and softness, often noting how well this set hydrates their dry hair without weighing it down.

5. Keratin Complex – Keratin Care Smoothing Shampoo

This is the original Keratin Complex shampoo designed specifically to prolong the life of keratin treatments. When my primary concern is just to make my keratin treatment last as long as possible, and I don’t have color-treated hair, this is my go-to. It’s a straightforward, effective formula that consistently delivers smooth, frizz-free results. The inclusion of keratin, soy, and wheat proteins works together to restore strength and enhance shine, making my hair feel incredibly soft and manageable. The explicit mention of being sodium-chloride free is a huge green flag, as sodium chloride is a known culprit for stripping away keratin treatments. It’s a foundational product for anyone serious about maintaining their treatment.

Key Features:
– Specially formulated keratin-enhanced shampoo fights frizz.
– Gently cleanses, restoring strength and enhancing shine.
– Formulated without sodium-chloride to protect Keratin Complex smoothing treatments.
– Unique blend of keratin, soy, and wheat proteins helps smooth and soften hair.
– Great for all hair types including dry, damaged, or keratin-treated hair.

Pros:
– Directly designed to extend the life of keratin treatments.
– Sodium chloride-free, crucial for treatment longevity.
– Effectively fights frizz and enhances shine.
– Strengthens hair with a protein blend.
– Gentle and suitable for various hair types.

Cons:
– Higher price point.
– Less explicit about “sulfate-free” compared to its “Color Care” counterpart (though typically assumed for the brand’s keratin care lines).

Best for: Individuals whose primary goal is to maximize the longevity of their keratin smoothing treatment, particularly those who don’t have color-treated hair or whose color care needs are addressed separately.

User feedback summary: Many users swear by this shampoo for preserving their keratin treatment for months, praising its ability to keep hair incredibly smooth, soft, and frizz-free without feeling heavy or oily.

Helpful Comparison Insights

Choosing the best shampoo for keratin treated hair really depends on your specific needs beyond just protecting the treatment.

If ultimate protection for both your keratin treatment AND your hair color is your priority, the Keratin Complex Color Care Smoothing Shampoo is likely your best bet. It’s specifically engineered to safeguard both. On the other hand, if you’re solely focused on extending the life of your keratin treatment without color concerns, the Keratin Complex Keratin Care Smoothing Shampoo provides that dedicated, sodium chloride-free maintenance.

For those looking for a budget-friendly yet effective daily option, the OGX Ever-Straight Brazilian Keratin Therapy Shampoo offers great value. It delivers solid smoothness and shine with a lovely scent, proving that you don’t always have to spend a fortune.

When damage repair and strengthening are high on your list, especially if your hair breaks easily, the Bellisso Keratin Shampoo and Conditioner Set is a fantastic choice. Its multi-ingredient blend focuses on building hair strength from within. Alternatively, if your keratin-treated hair is exceptionally dry and frizzy, needing deep hydration and a dazzling shine, the Bingo Hair Care Moroccan Argan Oil Shampoo and Conditioner Set will work wonders with its argan oil-rich formula. Both the Bellisso and Bingo Hair Care products come as sets, offering a complete and cohesive hair care routine, which can be a huge benefit for consistent results.

Remember, the goal is always to find a formula that’s sulfate-free and sodium chloride-free to ensure your treatment lasts, but beyond that, consider what other benefits your hair craves – be it extra moisture, strengthening, or color protection.

Final Verdict

Choosing the absolute best shampoo for keratin treated hair isn’t a one-size-fits-all answer; it truly comes down to what your unique hair situation demands.

• For the Gold Standard in Treatment Longevity & Color Protection: If you’ve invested in a keratin treatment and also color your hair, Keratin Complex – Color Care Smoothing Shampoo is an unparalleled choice. It’s gentle, effective, and specifically designed to protect both.
• For Everyday Smoothness on a Budget: If you’re looking for a reliable, pleasant-smelling daily shampoo that keeps your keratin-treated hair soft and shiny without a hefty price tag, the OGX Ever-Straight Brazilian Keratin Therapy Shampoo is an excellent, accessible option.
• For Hair That Needs Serious Strengthening & Repair (and a full system): When breakage and damage are concerns, the Keratin Shampoo and Conditioner Set by Bellisso provides a powerful blend of strengthening ingredients to nourish and protect.
• For Intense Hydration, Frizz Control & Shine (and a full system): If your keratin-treated hair tends to be dry, frizzy, and lacks luster, the Moroccan Argan Oil Shampoo and Conditioner Set by Bingo Hair Care will drench your strands in moisture and impart brilliant shine.
• For Dedicated Keratin Treatment Protection (without color concerns): If preserving your keratin treatment is your single most important goal, the Keratin Complex – Keratin Care Smoothing Shampoo is a tried-and-true formula optimized for this purpose.

Ultimately, by understanding your hair’s specific needs—be it strengthening, deep hydration, color preservation, or just everyday maintenance—you can confidently select the best shampoo for keratin treated hair from these top contenders and keep your smooth, frizz-free results lasting longer.

Frequently Asked Questions About Shampoos for Keratin Treated Hair

Q1: Why is sulfate-free shampoo important for keratin-treated hair?
A1: Sulfates are harsh cleansing agents that can strip away the natural oils and, more importantly, the keratin protein from your hair. For keratin-treated hair, using a sulfate-free shampoo helps to preserve the keratin bonds, extending the life and effectiveness of your smoothing treatment. It prevents premature fading and keeps your hair smoother for longer.

Q2: What other ingredients should I look for/avoid in a shampoo for keratin treated hair?
A2: Always look for shampoos that are sodium chloride-free in addition to being sulfate-free, as sodium chloride can also break down keratin treatments. Beneficial ingredients include keratin protein, argan oil, coconut oil, avocado oil, and various plant extracts and vitamins (like B5), which help to moisturize, nourish, and protect the hair. Avoid harsh chemicals, parabens, and sometimes even strong fragrances if you have sensitivities.

Q3: How often should I wash keratin-treated hair?
A3: Generally, it’s recommended to wash keratin-treated hair as infrequently as possible to prolong the treatment’s effects. Aim for 2-3 times a week, or even less if your hair doesn’t get greasy quickly. Using a good quality dry shampoo between washes can help extend the time between washes.

Q4: Can I use any conditioner with my keratin-friendly shampoo?
A4: For the best shampoo for keratin treated hair results, it’s highly recommended to use a conditioner that is also sulfate-free and sodium chloride-free, and ideally from the same line or specifically formulated for keratin-treated hair. This ensures consistency in ingredients and protection, maximizing the benefits and longevity of your treatment.

Q5: Will these shampoos make my hair greasy?
A5: Shampoos designed for keratin-treated hair are typically formulated to be nourishing without being heavy. While they provide moisture and smoothing benefits, they shouldn’t make your hair greasy if used correctly (focusing shampoo on the scalp and rinsing thoroughly). If your hair feels heavy, you might be using too much product or not rinsing sufficiently. Experiment with the amount of product to find what works best for your hair type.

Q6: How long does a keratin treatment last, and does the shampoo really help extend it?
A6: A keratin treatment typically lasts between 2 to 6 months, depending on your hair type, maintenance routine, and how often you wash your hair. Yes, using the best shampoo for keratin treated hair (sulfate-free and sodium chloride-free) absolutely helps extend the life of your treatment significantly. It prevents the keratin from being stripped away prematurely, helping you enjoy smoother, frizz-free hair for a longer period.

Q7: Is it okay to use dry shampoo on keratin-treated hair?
A7: Yes, dry shampoo can be a great ally for keratin-treated hair! It helps absorb excess oil and extend the time between washes, which in turn helps to preserve your keratin treatment. Just make sure to choose a high-quality dry shampoo and apply it sparingly to avoid product buildup.