Can You Colour Your Hair After a Keratin Treatment

Picture this: You've just had a luxurious keratin hair treatment, and your hair is looking smoother and shinier than ever. But now, you're itching to add a pop of color. The big question arises: Can you colour your hair after a keratin treatment? This is a common dilemma for many, especially those who love experimenting with their hair. In this blog, we’ll explore the ins and outs of coloring your hair post-keratin treatment and provide you with expert advice to maintain your luscious locks.

Can you colour your hair after a keratin treatment?

Yes, you can color your hair after a keratin treatment, but timing is crucial. Experts advise waiting about two weeks before applying any hair color. This waiting period ensures that the keratin treatment has fully settled into your hair, giving it the strength and smoothness you desire. Jumping into the coloring process too soon can disrupt the keratin setting, leading to uneven results and potentially compromising your hair’s health.

Related, 7 benefits of keratin treatment for your hair

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You must follow the rules, though!

Following the rules post-keratin treatment is crucial to maintain the integrity and longevity of both the treatment and your hair color. Firstly, avoid coloring your hair too soon after the treatment. Stick to the two-week waiting period. Additionally, opt for sulfate-free shampoos and conditioners, as these are gentler on the hair and help maintain the effects of the keratin treatment. GK Hair offers a range of products perfect for post-treatment care, ensuring your hair stays smooth and vibrant.

How Does Hair Coloring Operate?

Understanding how hair coloring works can help you make informed decisions about when to color your hair after a keratin treatment. The process typically involves two key elements: hydrogen peroxide and ammonia. Hydrogen peroxide is used to soften the hair cuticle and dissolve the natural hair color, while ammonia opens the cuticle to allow new color pigments to penetrate. For optimal results, hair should be prepped with a clarifying shampoo to remove any product buildup, ensuring that the color can fully penetrate the hair cortex.

What Takes Place When Your Hair Is Colored After A Keratin Treatment?

Coloring your hair immediately after a keratin treatment can lead to less than desirable results. The keratin treatment leaves a thin protective layer on your hair, which takes about two weeks to fully set. Coloring your hair before this layer is fully bonded can interfere with the treatment, causing uneven color distribution and possibly even washing out the keratin. It’s best to wait for two weeks to ensure the treatment’s longevity and your hair color’s vibrancy.

I Have a Keratin Treatment; May I Bleach My Hair?

Bleaching your hair after a keratin treatment is generally not recommended. Bleach is a harsh chemical that can strip away the keratin layer, causing significant damage to your hair. Even after waiting the recommended two weeks, bleaching can still compromise the smoothness and strength that the keratin treatment provides. For best results, consult with a professional stylist before attempting any bleaching after a keratin treatment.

What Is The Best Resolution, Then?

The best solution for those wanting to color their hair and maintain the benefits of a keratin treatment is to color your hair first. By coloring your hair before undergoing a keratin treatment, you can ensure that the color penetrates fully and evenly. Afterward, the keratin treatment will seal the color in, providing a smooth and glossy finish. This approach not only enhances the color but also extends its longevity, giving you vibrant and silky hair.

What is the Best Way to Achieve This?

Achieving optimal results involves careful planning. Start by coloring your hair before the keratin treatment. This sequence allows the color to fully penetrate the hair shaft. Follow up with a keratin treatment to seal in the color and enhance hair strength and shine. This method ensures your hair maintains its vibrancy while benefiting from the smoothing effects of keratin.


can you do a keratin treatment and color on the same day

It's generally recommended to wait between color and keratin treatments to avoid potential interference. However, consulting with your stylist can provide personalized guidance based on your hair type and treatment goals.

When can I color hair after keratin treatment?

Waiting at least two weeks after a keratin treatment allows the treatment to fully set. This waiting period ensures that the hair cuticle is ready to absorb color effectively, resulting in longer-lasting and vibrant color results.

Do I really need to wait 3 days to wash hair after keratin?

Yes, waiting a few days allows the keratin to fully bond with your hair. This ensures the treatment's effectiveness and longevity, helping you achieve smoother and more manageable hair.

Can I straighten my hair after keratin treatment?

Yes, you can safely straighten your hair after a keratin treatment. In fact, a keratin treatment enhances the straightening process by reducing frizz and promoting smoother hair texture.

Why is my hair still frizzy after keratin treatment?

Frizz may occur if the keratin treatment was not applied correctly or if hair care instructions (like waiting to wash hair or using sulfate-free products) are not followed. Ensure you're using the right post-treatment care to maintain smooth results.


In conclusion, coloring your hair after a keratin treatment requires careful timing and consideration. To achieve the best results, it's advisable to wait at least two weeks after a keratin treatment before coloring your hair. This waiting period allows the keratin to fully bond with your hair, ensuring that the color is vibrant and long-lasting. Remember to follow your stylist's recommendations for post-treatment care, including using sulfate-free products to maintain the integrity of both treatments. By following these guidelines, you can enjoy beautifully colored and smooth, frizz-free hair.