Best Sulfate free Shampoo for Keratin Treated Hair

I’ve been on a journey with my curly, frizzy hair, trying to tame the frizz and simplify the management of my tresses through keratin treatments.

 I made the pricey mistake of ignoring my hairstylist’s advice to use sulfate-free shampoo. Unfortunately, the treatment lost its magic in just two weeks! I thought it was a botched job, but once I switched to the right sulfate-free shampoo and conditioner, my treatment lasted at least 8 weeks. It was a game-changer! 

To help you avoid the same costly mistake, here are the 10 best sulfate free shampoos for keratin treated hair that I have used over the years.

Top 10 Keratin Shampoo: Best Sulfate-Free formula for Strong hair

1. OGX Brazilian Keratin Smooth Shampoo

Top Pick

OGX Brazilian Keratin Therapy Shampoo for Shiny Hair, Sulfate-Free, with Coconut Oil and Avocado Oil, 13 Fl Oz

OGX Brazilian Keratin Smooth Shampoo

  • Sulfate-Free: Safely cleanses without stripping the keratin treatment, extending its longevity.
  • Keratin Protein Infusion: Enhances and prolongs the smooth, sleek effects of your keratin treatment.
  • Avocado Oil & Cocoa Butter: Provides deep hydration and nourishment, keeping hair strong and healthy.
  • Frizz Control: Helps tame frizz and makes hair more manageable and easier to style.
  • Shine Enhancing: Leaves hair looking shiny and vibrant, thanks to its nourishing ingredients.
  • Protects Hair: Shields hair from environmental stressors, maintaining its health and appearance.

It’s a go-to for keeping your keratin-treated hair looking its best

 2. Aveeno Apple Cider Vinegar Shampoo + Conditioner 

Best for Sensitive Scalp

Aveeno Apple Cider Vinegar Shampoo + Conditioner for Balance & High Shine, Daily Clarifying & Soothing Scalp Shampoo for Oily or Dull Hair, Paraben & Dye-Free, 12 Fl Oz

Aveeno Apple Cider Vinegar Shampoo + Conditione

The Aveeno Apple Cider Vinegar Shampoo and Conditioner duo can be a good addition to the hair care routine of those who have undergone a keratin treatment, especially considering its gentle formula. Here’s why this combo is a decent choice for maintaining keratin-treated hair:

  • Sulfate-Free: Crucial for keratin-treated hair, the sulfate-free formula means it won’t strip away the keratin treatment from your hair, helping to maintain its smoothness and manageability for longer.
  • pH Balancing: This shampoo contains apple cider vinegar is known for its ability to balance the pH of the scalp and hair. A balanced pH can help prolong the effects of a keratin treatment by keeping the hair cuticle sealed, promoting smoother, shinier hair.
  • Gentle Cleansing and Conditioning: This duo gently removes buildup without drying out your hair, ensuring that the keratin treatment remains effective. The conditioner helps to detangle and moisturize, leaving your hair soft and manageable.
  • Adds Shine: The apple cider vinegar in the formula is excellent for boosting shine, ensuring that keratin-treated hair looks its best—vibrant and glossy.
  • Soothing for the Scalp: The inclusion of oat in both the shampoo and conditioner soothes the scalp, which can be particularly beneficial if your scalp is sensitive after the keratin treatment process.

3. COLOR WOW Color Security Shampoo 

Best for Color-Treated Hair

COLOR WOW Color Security Shampoo - Sulfate Free Shampoo for Color-Treated Hair – Best Professional Hair Care for Healthy Hair – Paraben Free Salon Quality Shampoo - Safe for All Hair Types and Colors

COLOR WOW Color Security Shampoo 

  • Sulfate-Free Formula: This is a crucial feature for keratin-treated hair. Sulfates can strip away the keratin applied to your hair, shortening the lifespan of the treatment. COLOR WOW’s sulfate-free formula gently cleanses without compromising the integrity of your keratin treatment.
  • Residue-Free Cleaning: Unlike some shampoos that can leave behind residues that dull the hair’s appearance, COLOR WOW Color Security Shampoo is designed to rinse off completely. This means your hair remains shiny, vibrant, and full of life, complementing the smoothing effects of a keratin treatment.
  • Safe for Color-Treated Hair: If your keratin-treated hair is also colored, this shampoo is doubly beneficial. It’s formulated to be safe for color-treated hair, preventing fading and maintaining color vibrancy. This dual protection is ideal for anyone looking to keep their hair both smooth and richly colored.
  • Moisture-Balancing: It carefully balances moisture levels, ensuring that hair is neither too dry nor too oily. This balance is essential for keratin-treated hair, as too much moisture can reverse the effects of the treatment, and too little can lead to dryness and breakage.
  • Protects Hair Quality: The formula also includes ingredients that help to protect the hair from environmental stressors, such as UV rays, pollution, and heat styling. This comprehensive protection helps to keep keratin-treated hair in optimal condition for longer.

4. Kérastase Discipline Sulfate-Free Smoothing Shampoo

Best for Frizzy Hair

KERASTASE Smoothing Anti-Frizz Sulfate-Free Shampoo with Morpho-Keratine for All Hair Types, 8.5 Fl Oz

Kérastase Discipline Shampoo 

  • Sulfate-Free: Essential for keratin-treated hair, its sulfate-free formula ensures that the keratin treatment isn’t stripped away during washing, preserving the smoothness and straightness of your hair for a longer period.
  • Smoothing Properties: Specifically designed to tame frizz and provide unrivaled smoothness, this shampoo works in harmony with keratin treatments, enhancing the sleek, polished look and extending the life of the smoothing effects.
  • Hair Fiber Protection: It fortifies the hair fiber, providing protection against humidity and environmental stressors that can cause frizz and disrupt keratin treatments. This helps in maintaining the integrity of your hair’s health and appearance.
  • Moisture Balance: Kérastase Discipline Shampoo carefully balances moisture, ensuring that hair is neither overly dry nor excessively oily. This is crucial for keratin-treated hair, which requires optimal hydration levels to maintain its styling and health.
  • Enhanced Manageability: The formula is designed to make hair more manageable, easing the styling process. For hair that has undergone a keratin treatment, this means less time spent on heat styling and more time enjoying the smooth, silky texture of your locks.
  • Adds Shine: Beyond its smoothing capabilities, this shampoo imparts a lustrous shine to the hair, making keratin-treated hair look even more radiant and vibrant.

5. L’Oreal Paris Moisture Sulfate Free Shampoo and Conditioner Set

L'Oreal Paris Moisture Sulfate Free Shampoo and Conditioner Set, Hair Care for Color-Treated Hair with Rosemary Botanicals, EverPure, 1 Kit

L’Oreal Paris Moisture Shampoo 

  • Sulfate-Free: Preserves keratin treatment longer and prevents stripping.
  • Moisture-Rich: Hydrates and softens hair without weighing it down.
  • Color Protection: Safe for color-treated hair, keeping both color and keratin vibrant.
  • Gentle Formula: Suitable for daily use and all hair types, including sensitive scalps.
  • Enhances Softness and Shine: Leaves hair looking salon-fresh, enhancing the effects of keratin treatments.

6. TRESemmé Rich Moisture Sulfate-Free Shampoo & Conditioner

TRESemmé Shampoo & Conditioner, Sulfate-Free, Family Size - Moisture Rich Hair Treatment for Dry, Damaged Hair, Hydrating Hyaluronic Acid, Vitamin C, and Biotin for Hair Repair, 28 Oz (2 Piece Set)

TRESemmé Rich Moisture Shampoo & Conditioner

  • Sulfate-Free: This feature is essential for maintaining the integrity and longevity of keratin treatments by avoiding harsh cleansing agents that can strip away the treatment and natural oils.
  • Deep Hydration: Formulated to provide rich moisture, it targets dryness and helps restore hydration to the hair, keeping keratin-treated locks soft and manageable.
  • Smoothness and Shine: The duo works together to smooth the hair’s surface, reducing frizz and enhancing shine, which complements the smoothing effects of a keratin treatment.
  • Protects Hair Health: By avoiding sulfates and providing moisture, it helps protect the health of your hair, ensuring that keratin-treated hair remains strong and less prone to breakage.
  • Suitable for Daily Use: Gentle enough for daily use, this shampoo and conditioner pair keeps your hair clean and conditioned without compromising the keratin treatment.

Overall, the TRESemmé Rich Moisture Sulfate-Free Shampoo & Conditioner is designed to support the needs of keratin-treated hair, offering hydration, protection, and enhanced smoothness to keep your hair looking its best.

7. Pantene Sulfate Free Rose Water Shampoo

Pantene, Shampoo, Sulfate, Paraben and Dye Free, Pro-V Blends, Soothing Rose Water, 17.9 fl oz

Pantene Sulfate Free Rose Water Shampoo

  • Sulfate-Free: Its sulfate-free formula is gentle on keratin-treated hair, helping to maintain the treatment’s effects by avoiding harsh cleansing agents that can strip hair of its protective keratin layer.
  • Hydrating Nutrients: Infused with rose water and other hydrating nutrients, this shampoo offers deep hydration, addressing the moisture needs of keratin-treated hair without weighing it down.
  • Soothing and Calming: Rose water is known for its soothing properties, providing a calming effect on the scalp, which is beneficial after the chemical process of a keratin treatment.
  • Adds Shine and Softness: Regular use can enhance the hair’s natural shine and softness, complementing the smoothing and frizz-reducing benefits of keratin treatments.
  • Safe for Color-Treated Hair: In addition to being great for keratin-treated hair, it’s also safe for color-treated hair, ensuring that your hair color remains vibrant and does not fade prematurely.
  • Fragrance: Offers a luxurious and soothing floral scent, making the hair-washing experience more enjoyable and refreshing.

8. Moroccan Argan Oil Shampoo and Conditioner Set

Moroccan Argan Oil Shampoo and Conditioner Set - Sulfate Free, Anti Frizz Hydrating Care for Women - Deep Moisturizing Treatment for Color, Keratin Treated, Curly, Damaged and Dry Hair

Moroccan Argan Oil Shampoo and Conditioner Set

    A great sulphate-free shampoo to maintain the beauty and health of keratin-treated locks.

    • Argan Oil Infusion: Moisturizes, repairs, and adds shine.
    • Sulfate-Free: Preserves the keratin treatment, extending its life.
    • Frizz Control: Smooth your hair and keep it sleek and manageable.
    • Hydration and Repair: Addresses dryness and strengthens hair.
    • Suitable for All Hair Types: Including color-treated hair.
    • Enhances Shine: Leaves hair looking glossy and healthy.

    9. Cantu Shampoo & Conditioner with Shea Butter

    Best for Curly Hairr

    Cantu Shampoo & Conditioner with Shea Butter for Natural Hair, 13.5 fl oz (Pack of 2)

    Cantu Shampoo & Conditioner with Shea Butter

    • Shea Butter: Offers deep moisture and repairs for dry hair.
    • Sulfate-Free: Protects keratin treatments from being stripped away.
    • Frizz Control: Helps maintain sleek, manageable hair.
    • Strengthens Hair: Increases elasticity and protects from damage.
    • Enhances Shine: Leaves hair vibrant and healthy-looking.

    10. Nexxus Clean and Pure Clarifying Shampoo

    Nexxus Clean and Pure Clarifying Shampoo, With ProteinFusion, Nourished Hair Care Silicone, Dye And Paraben Free 33.8 oz

    Nexxus Clean and Pure Clarifying Shampoo

    • Clarifying Yet Gentle: Removes build-up without stripping keratin.
    • Nutrient-Rich: Supports hair health with proteins and nutrients.
    • Hydrates: Keeps keratin-treated hair moisturized.
    • Safe Formulation: Free from sulfates, silicones, and parabens.
    • Occasional Use: Ideal for a periodic reset to combat product build-up.

    Why You Need Sulfate-Free Shampoo After a Keratin Treatment?

    After a keratin treatment, your hair’s smooth layer is like a new paint job on a car—delicate and fresh. Sulfates in regular shampoos can strip this layer off, just like harsh detergents can damage a car’s finish. That’s why you need sulfate-free shampoo: it cleans without stripping, keeping your hair’s keratin layer intact, smooth, and frizz-free for longer. Simple, right? Stick with sulfate-free to protect your keratin treatment and keep your hair looking its best.

    How to Choose a Sulphate Free Shampoo For Keratin Treated Hair?

    Choosing a sulfate-free shampoo for your keratin-treated hair is like picking the perfect outfit for a special occasion—it needs to be just right. Here’s a simple guide to help you make the best choice:

    1. Check the Ingredients: Start by looking for “sulfate-free” on the label, but don’t stop there. Avoid harsh detergents like sodium lauryl sulfate (SLS) and sodium laureth sulfate (SLES). Instead, opt for shampoos with gentle cleansing agents like cocamidopropyl betaine or decyl glucoside.
    2. Look for Keratin-Friendly Components: Ingredients like natural oils (argan, coconut, avocado), keratin, and proteins can complement your treatment, helping to maintain smoothness and add strength and shine to your hair.
    3. Hydration is Key: Keratin-treated hair loves moisture. Choose a shampoo packed with hydrating ingredients like glycerin, aloe vera, or shea butter to keep your hair nourished and prevent dryness.
    4. Avoid Salt and Alcohol: Sodium chloride (table salt) and certain alcohols can strip away keratin. Scan the ingredient list to ensure these aren’t lurking in your shampoo.
    5. Consider Your Hair Type and Needs: If you have damaged hair, or colored hair, look for color-safe formulas. If your scalp tends to be oily or dry, select a shampoo that addresses these concerns while still being gentle on your keratin treatment.

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