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Best Shampoos for Keratin Treated Hair (AVOID This)

As the climate and temperatures keep changing, it won’t take long before your hair takes most of the heat, literally and figuratively. The result is frizzy, dry, and more damaged hair, which you need to avoid. A keratin treatment can restore your hair’s health, but your after-care routine will determine how long it works. The best shampoos for keratin-treated hair are an ideal place to start. 

Which Are the Best Shampoos for Keratin-Treated Hair?

Is your hair dry and frizzy? You can visit the salon for a thorough keratin treatment. But, you need first to understand what a keratin treatment is and what it does to repair damaged hair. A keratin treatment is applied to hair to strengthen the strand. It is a protein treatment that prevents hair from becoming too porous.

When hair is porous, it loses moisture, thus feeling and looking very dry and sometimes discolored. The keratin treatment restores moisture to give your hair more volume and shine. After applying this treatment, remember your hair will continue being exposed to elements that strip its hydration. 

As such, you need to use hydrating products, including shampoos, conditioners, and oils, that will prolong the treatment’s effectiveness.

These products should not contain harsh ingredients, especially sulfates that are known to strip hair of all oils and moisture. Other ingredients to avoid are parabens and gluten, which would lead to hair dehydration.

If your hair is the nice curly type, here are some keratin treatments that work. For those keeping the good old black afro hair, these keratin treatments do an amazing job.

With this information, here are the five best shampoos you can use after a keratin treatment.

1. Pure Nature Lux Spa Moroccan Argan Oil Shampoo and Conditioner SLS Sulfate Free Set

This set of sulfate-free, gluten-free, and paraben-free shampoo and conditioner has got to be one of the best keratin treatment after-care products. In place of these harmful ingredients, this brand incorporates powerful ingredients into the formulas, including Vitamins and antioxidants. These ingredients will continue to nourish your hair long after your treatment for the best results.

Image source: Pure Nature Lux Spa

When going for your keratin treatment, you might hear that you need to wash your hair less often, which is true to give the keratin time to set. However, these hair products are gentle and designed to improve the treatment so that you can wash your hair as soon as three days after the treatment. 

Besides the benefits for hair, this shampoo and conditioner is quite affordable and comes in big bottles to last you long. Finally, the bottles are easy to work with even when your hands are wet and slippery, as you can easily press the pump to extract the formulas. 


  • Affordable
  • Best for keratin-treated, dyed, and normal hair
  • Easy to use
  • Gentle on hair and scalp
  • It comes in a big bottle to last you long
  • Parabens, sulfates, Sodium chloride, gluten, and Phthalates-free


  • The smell might be too much for some
  • You may need to use a lot of shampoo to get clean oils and buildup

2. Moroccanoil Hydrating Shampoo

When you treat hair with keratin, the formula your hair for the long term, but a gentle shampoo is needed to preserve the hair’s health. In addition, a good shampoo ensures the new growth does not suffer the same fate as your long strands. When buying shampoo, you can consider this Morrocanoil hydrating shampoo that is infused with Vitamins A and E, argan oil, and red algae.

Image source: Moroccanoil

The shampoo is gentle, so you can use it as often as necessary once your keratin treatment sets. In addition, it is also ideal for all hair types and sensitive scalps.

The shampoo comes in an easy-to-use bottle and has a mild, calming smell you will love on your head. However, the only downside is that it is a bit expensive. 


  • It does not contain harmful ingredients making it ideal for all hair types
  • Ideal for a keratin treatment after-care routine
  • The bottle is easy to use
  • Infused with hydrating and moisturizing ingredients
  • From a reputable brand


  • A bit expensive

3. L’Oreal Paris EverCreme Sulfate-Free Shampoo for Dry Hair

This shampoo is designed for people with dry or color-treated hair, which means it is made with gentle ingredients that will be great for keratin-treated hair. The formula is designed for triple-action hydration with ingredients such as apricot oil, rosemary, coconut oil, and coconut acid. 

Image source: L’oreal Paris

The formula does not contain salt, parabens, sulfates, or other harsh chemicals that could strip your hair’s natural oils and moisture. It is nicely packaged in a squeeze tube, and it is also from a reputable brand with rave reviews online. 


  • From a reputable brand
  • Made with the best ingredients for maximum hydration after your keratin treatment
  • It does not contain harmful ingredients
  • Easy to lather and rinse


  • It has a rather strong smell

4. LuxeOrganixMoroccan Argan Oil Shampoo and Conditioner Set

This shampoo and conditioner set is worth your money if you want to boost your hair’s shine, strength, and overall good health after a keratin, chemical, or color treatment. It is a gentle formula infused with powerful hydrating and UV blocking ingredients to protect your hair from elements.

Image source: LuxeOrganix

The shampoo contains argan oil which hydrates and smoothens edges as your wash your hair. It does not contain parabens, sulfates, or sodium chloride. In addition, the shampoo and conditioner are suitable for all hair types and people of all ages. The products are packaged in 8 fl oz bottles to last you long. 


  • It is a shampoo and conditioner set 
  • The formulas don’t contain parabens, sulfates, sodium chloride, and other harmful ingredients
  • Ideal for people of all ages with normal hair and treated hair
  • Made in the USA by a cruelty-free brand


  • A bit pricey

5. Phillip Adam Fragrance-Free Shampoo

While you will be looking for sulfate and paraben-free shampoos to preserve your keratin treatment, we’d like to introduce this formula also to balance your hair’s pH while not dehydrating it. This Phillip Adam shampoo is made with apple cider vinegar as the main ingredient, whose function is to balance pH, while lactic acid is effective when removing dirt and buildup. 

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The formula does not contain harmful sulfates, parabens, GMOs, gluten, or dyes. In addition, it is a plant-based shampoo meaning it is also biodegradable. It is your best option if you are prone to scalp and smell allergies, as it is also fragrance-free. 

The shampoo is very affordable and contains the best ingredients to promote strength, volume, and shine. In addition, it is such a gentle formula that you can use daily without side effects. 


  • Affordable
  • It is a plant-based and biodegradable formula; thus, the best option for vegans
  • It does not contain harmful ingredients or fragrances
  • Designed for treated and virgin hair
  • Suitable for daily use
  • Ideal for all hair types 
  • Promotes hair shine, strength, volume, and overall good health


  • It might leave your hair with a film

How to Buy the Best Shampoos for Keratin-Treated Hair [4 Best Tips]

As mentioned, keratin is a protein treatment that you need to rehydrate, moisturize, and reduce the dullness of your hair. While this treatment can work wonders for your hair, it is only successful if you follow it up with a good after-care routine. 

The first thing to do to prevent reducing the treatment’s effectiveness is to buy a gentle but effective shampoo. Here are the best tips to follow when buying the shampoo.

1. Avoid harmful ingredients

Some ingredients will wash off the keratin treatment before restoring your hair’s full health. These include all sulfate elements, including sodium and ammonium lauryl sulfate and sodium Laureth sulfate.

In addition to sulfates, avoid sodium chloride, parabens, gluten, alcohol, and harsh fragrances. Before buying any shampoo, read the label to understand which harmful ingredients might be n the formula.

2. Look for hydrating ingredients

While reading the label, look for the best hydrating ingredients that will soften your strands, thus allowing the treatment to set easily. The best ingredients include oils such as argan, coconut, apricot oils and more.

In addition, look for Vitamins such as Vitamin A and E, which act as great antioxidants to maintain hair health. 

3. Look for natural ingredients that will not irritate your scalp

When buying shampoo, you can easily forget to consider your scalp and instead focus on what’s good for your strands. However, it is imperative that you also take care of the scalp, as healthy hair depends on a healthy scalp.

So, understand your skin type to decide which products wil not cause any sensitivity. It is best to look for shampoo ingredients that match the ingredients you use on your face in most cases.

4. Buy a dry shampoo for the first wash after your treatment

Once you apply a keratin treatment, it is best to wait for at least three days before washing your hair. Depending on the damage you are treating, three days might still come too soon after a treatment, making it ideal to use a dry shampoo.

This type of shampoo does not require water to wash your hair. Rather, you administer it from an aerosol can then massage it into your scalp and hair, where it will absorb the initial keratin treatment film plus grease and oil you will have collected since. 

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