How Long Does Keratin Treatment Last? Understanding The Duration

By Debra Thomson

Updated On

Keratin treatment has gained immense popularity in the beauty industry as a solution for achieving smooth, frizz-free, and manageable hair. Many individuals struggle with unruly and difficult-to-style hair, making keratin treatment an attractive option. In this blog post, we will dive into the world of keratin treatment, exploring its benefits, types, and most importantly, how long you can expect the results to last.

Key Takeaways

  1. Keratin treatment is a temporary hair smoothing and straightening procedure that uses keratin protein to improve hair texture.
  2. The duration of keratin treatment varies from 2 to 6 months, depending on factors such as hair type and maintenance routine.
  3. Consulting a professional hairstylist is crucial for determining the most suitable type of keratin treatment for individual hair needs.

What is Keratin Treatment?

Keratin treatment is a hair straightening and smoothing procedure that involves infusing keratin, a naturally occurring protein, into the hair cuticles. The treatment works by filling in the gaps and spaces in the hair shaft, making the hair smoother, shinier, and more manageable. The keratin is then sealed into the hair using heat, typically from a flat iron, to create a protective layer that helps reduce frizz and enhance the overall appearance of the hair.

It’s important to note that keratin treatment is a temporary solution and does not permanently alter the hair’s structure. As the treatment gradually fades, the hair will return to its natural state.

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Types of Keratin Treatment

There are various types of keratin treatments available in the market, each with its own unique formula and application technique. Some of the most popular options include:

  • Brazilian Blowout: This treatment uses a liquid keratin formula that is applied to the hair and then blow-dried and flat-ironed. It typically lasts around 3-4 months.
  • Keratin Express: As the name suggests, this is a quicker version of the traditional keratin treatment. It involves a shorter application time and can last up to 6-8 weeks.
  • Formaldehyde-Free Keratin Treatment: For those concerned about the use of formaldehyde in traditional keratin treatments, there are now formaldehyde-free options available. These treatments use alternative ingredients to achieve similar smoothing results.

It’s essential to consult a professional hairstylist to determine which type of keratin treatment is most suitable for your hair type, texture, and desired results.

How Long Does Keratin Treatment Last?

One of the most common questions people have about keratin treatment is how long the results will last. On average, keratin treatment can last anywhere from 2 to 6 months, depending on several factors.

The longevity of the treatment is influenced by:

  • Hair Type: Those with fine or thin hair may find that the treatment lasts shorter than those with thicker or coarser hair.
  • Maintenance Routine: How you care for your hair after the treatment can significantly impact its durability. Using sulfate-free shampoos, minimizing heat styling, and avoiding chlorinated water can help prolong the effects.
  • Product Quality: The specific keratin treatment product used can also affect the longevity of the results. Higher-quality, professional-grade products tend to last longer than lower-quality alternatives.

It’s important to keep in mind that the treatment will gradually fade over time, and you may notice your hair returning to its natural state. Touch-ups or reapplication may be necessary to maintain the desired level of smoothness and frizz control.

Does Diet Help Boost Keratin Levels?

While keratin treatment involves applying keratin externally to the hair, some people wonder if their diet can help boost keratin levels and improve the treatment’s effectiveness. While a healthy diet is essential for overall hair health, it cannot directly increase the levels of keratin in the hair.

However, consuming a balanced diet rich in protein, vitamins, and minerals can support the natural keratin production process in the body. Some key nutrients that contribute to healthy hair include:

  • Biotin: Found in foods like eggs, nuts, and whole grains, biotin is essential for keratin production and hair growth.
  • Zinc: This mineral, found in oysters, beef, and pumpkin seeds, plays a role in protein synthesis and hair follicle health.
  • Iron: Iron-rich foods, such as red meat, spinach, and lentils, help prevent hair loss and promote healthy hair growth.

While a nutrient-rich diet can support overall hair health, it’s important to remember that it cannot replace the effects of a professional keratin treatment.


Keratin treatment is a popular and effective solution for those seeking smoother, more manageable hair. With various types of treatments available, ranging from traditional Brazilian blowouts to formaldehyde-free options, there is a suitable choice for every hair type and preference.

On average, keratin treatment can last between 2 to 6 months, depending on factors such as hair type, maintenance routine, and product quality. While a healthy diet rich in protein and essential nutrients can support overall hair health, it cannot directly boost the effectiveness or longevity of the treatment.

If you’re considering keratin treatment, it’s crucial to consult a professional hairstylist who can assess your hair’s unique needs and recommend the most appropriate treatment option. With proper care and maintenance, keratin treatment can help you achieve the smooth, frizz-free, and manageable hair you’ve always desired.

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Q: Can I wash my hair immediately after getting a keratin treatment?

A: No, it’s recommended to wait at least 48 hours before washing your hair to allow the keratin to fully set in.

Q: Will keratin treatment make my hair completely straight?

A: Keratin treatment can significantly reduce frizz and enhance smoothness, but it may not make your hair completely straight, especially if you have very curly or coarse hair.

Q: Is keratin treatment suitable for all hair types?

A: Keratin treatment can be beneficial for most hair types, but it’s essential to consult a professional hairstylist to determine if it’s suitable for your specific hair condition and desired results.

Q: How often can I get a keratin treatment?

A: It’s generally recommended to wait at least 3-4 months between keratin treatments to minimize damage and maintain healthy hair. However, the frequency may vary depending on your hair type and the specific treatment used.



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