10 Best Shampoos and Conditioners for Keratin Treated Hair in 2026

All the ingredients in this conditioner are completely harmless.

This conditioner is made either for straight or curly hair and it helps to add moisture, reduce frizziness, and remove static charges.

You might think that because you’ve had a keratin treatment, you no longer need to condition your hair. I have made this mistake before and before I knew it, my hair was a tangled mess.

The solution? I only needed to use a bit of this conditioner to release my hair and leave it silky smooth.

Here’s an extra little tip for you: Rinse the conditioner out with very cool water. This will really help lock in the shine that you’re after.

An argan oil shampoo is a great keratin treatment shampoo.

If you are looking for the best shampoo for keratin and color treated hair, I would suggest giving this one a try. The ingredients found in this shampoo, including avocado oil, jojoba oil and peach kernel oil, work together to nourish the scalp and protect each strand of hair.

My hair can get a bit oily from time to time. I used to just deal with it, but I noticed that this shampoo really balanced out the oil levels and left me with hair that had a perfect balance of moisture.

Now, when I notice a little oil building up in my hair, I reach for Maple Holistics shampoo.

Want to simplify the process of how to maintain keratin treated hair?

If I had to describe this set in two words, it would be liquid gold! The smell is so subtle but pleasant, and my hair felt absolutely amazing after using it. It’s great for men who have had a keratin treatment as well.

The size of the bottles is crazy. You can expect them to last a couple of months, making this set an incredible value.

Is this the best shampoo for keratin treated hair? I’m not sure, but it’s pretty close!

Here is another great set that takes the guess work out of purchasing a sodium chloride and sulfate-free shampoo and conditioner.

In fact, I was so impressed with this set that I bought a few extras to give away as holiday gifts with my most recent purchase.

What’s special about this set? Both the shampoo and conditioner include a UV and thermal protectant so you’re not only protecting your keratin treatment, you’re also protecting your hair from your heated styling tools.

When I use this duo, I find myself running my hand through my hair a whole lot more than usual. It just feels so amazing.

I also absolutely love the scent. It’s the perfect citrus scent and it’s very invigorating during my morning shower. I’m pretty sure I’ll come back to this shampoo and conditioner a few more times.

I really can’t think of any issues with it. After your next keratin treatment, be sure to give this brand a try.

This might be the best sulfate free shampoo for keratin hair.

My hair is normally wavy and a bit frizzy. I prefer it to be straight and smooth, which is why I get keratin treatments in the first place. This shampoo seems to make my keratin treated hair even straighter and smoother.

I felt like every time I used this shampoo, my hair went right back to the way it was just a few minutes after my keratin treatment. It definitely extends the life of each treatment.

I love L’Oréal products so I knew I wanted to find a L’oreal shampoo for keratin treated hair. As usual, they didn’t disappoint!

Their sulfate-free shampoo is perfect for color treated hair and keratin treated hair alike. It features rosemary and juniper. These ingredients don’t just smell great, they also help to improve hair health and stimulate growth.

I have a friend who routinely gets keratin hair treatments. She was spending an absurd amount of money each month on shampoo and conditioner.

I introduced her to L’Oréal products and she was hooked. They’re a fraction of the price and still help to extend the life of keratin treatments.

Can you tell I love shampoo and conditioner sets? They just make everything so easy.

It also repairs, restores and strengthens heat or chemically-damaged locks while also mending split ends.

The conditioner moisturizes and instantly improves texture so you’re sure to notice a difference after your first use.

The scent is amazing, and after my first use, I swear my hair felt just like silk. When you’re spending as much as you do on a keratin treatment, even if you do it at home, it just makes sense to use the right products so that you get the most out of your investment.

This kit from Arvazallia deserves an award. It really is that great at protecting your hair and extending your keratin benefits.

Is your hair healthy enough to be dyed? If you’re wondering, you can stop.

The shampoo is a mild cleanser that’s made to extend keratin effects while healing color treated hair. The conditioner will smooth and soften while improving the health of color treated hair from the inside out.

My mom uses this set religiously. Her hair began to turn gray a few years ago. She routinely dyes it, along with the occasional keratin treatment, and finds that this set does wonders for her hair.

This is the best shampoo and conditioner out there for protecting over-processed hair.

There’s a wide variety of shampoo for keratin treated hair on the market, but a company named Keratin Research has to produce the best shampoo for keratin treated hair, right?

Pretty close! Their products are designed to maintain colored hair along with hair that’s undergone a keratin treatment. The shampoo moisturizes and provides superior protection while the conditioner is light enough for regular use but still nourishes and strengthens.

I was really impressed with the quality of this product. The company definitely knows their stuff. I loved how this set kept my hair smelling great and looking amazing.

Even if you’ve never had a keratin treatment done, this shampoo and conditioner can completely transform your hair.

My hairstylist recommended this product once she heard that I was trying a bunch of keratin treatment shampoo.

The conditioner wasn’t as slippery as I’m used to, but it still enabled me to get the majority of my tangles out. Maybe it was a coincidence but I felt like I didn’t need to use as much product to get my hair just the way I wanted when I used these products.

Overall, I was incredibly impressed. I thank my hair stylist every time I see her. If you want to strengthen hair naturally, I think this is a great option to try.