Hair Protein vs Keratin Treatment – What’s Their Difference? 

Do you know the difference between protein in hair and keratin treatment for hair?


If not, you’re not alone! A lot of people get the two confused, but they are actually quite different. 

In this post, I’ll break down the differences between hair protein and keratin treatments to decide which is best for you.

Stay tuned!

CHECK: Best Keratin Ceramic Hair Straightener

What is Protein Treatment?

Protein treatment is the process of treating hair with a protein-rich product, which can be applied to your scalp or hair and left on for several hours before rinsing it out.

keratin treatment at the salon

This step aims to help strengthen weak areas in your hair by adding proteins that will bind together the strands of hair.

This helps prevent breakage and split ends. It also adds shine and luster to the hair.

There are a number of different types of protein treatments available, ranging from deep conditioning masks to Leave-in conditioners.

How Does Protein Treatment Work

When it comes to achieving healthy, lustrous hair, proteins are essential.

Unfortunately, our hair is constantly exposed to damage from heat styling, UV rays, and other environmental factors [1].

This can lead to dryness, breakage, and split ends. Protein treatments can help to replenish the proteins in your hair, giving it the strength and elasticity it needs to withstand daily wear and tear.

There are many different types of protein treatments available, but they all work by providing a temporary protective coating around each strand of hair.

This helps to seal in moisture and prevent further damage. Depending on the treatment type, the effects can last anywhere from a few weeks to several months.

So if you’re looking for a way to give your hair a boost of strength and shine, a protein treatment may be the perfect solution.

Check out this video for a more in-depth explanation!

Benefits of Protein Treatment

Protein treatments can do wonders for your hair. They can help to repair the damage, add strength and elasticity, and protect against future damage. Here are just a few of the many benefits of protein treatments:

  1. Help to repair damage caused by heat styling, coloring, and other chemical processes.
  2. Add strength and elasticity to your hair, making it less prone to breakage.
  3. Protect your hair against future damage from heat styling, coloring, and other chemical processes.
  4. Give limp or fine hair a boost of volume
  5. Improve the overall health of your scalp and hair follicles.

If you’re looking for a way to improve the health and appearance of your hair, protein treatments are a great option. Talk to your stylist about which type of treatment would be best for your individual needs.


How Does Keratin Treatment Work?

If you’re considering a keratin treatment, you’re not alone. This popular hair straightening treatment has become a go-to option for those looking to achieve smooth, sleek locks. But what exactly is a keratin treatment, and what are the benefits?

lady having salon treatment (Hair Protein vs Keratin)

This protein naturally occurs in your hair, but exposure to the elements can deplete it over time, leaving your strands dry, frizzy, and difficult to manage [2].

A keratin treatment is designed to replenish the protein in your hair, resulting in softer, shinier, and more manageable locks.

The treatment itself usually takes around 90 minutes and involves using a special keratin-infused serum to deeply condition the hair.

Once the serum has been applied, it is sealed into the hair with a flat iron.

Many women report seeing a dramatic difference in the condition of their hair after just one treatment, and the effects typically last for several months.

If you’re looking for a way to give your hair a healthy boost, a keratin treatment may be right for you.

Benefits of Keratin Treatment

If you’re considering a keratin treatment, you’re probably wondering if it’s really worth it. After all, it is an investment of both time and money. But there are definitely some benefits that make keratin treatments worth considering.

  1. Keratin treatment can help to repair damaged hair. If your hair is dry, brittle, or frizzy, a keratin treatment can help to restore its natural moisture and shine.
  2. Keratin treatment can also make your hair easier to manage. After a treatment, you’ll find that your hair is more manageable and less likely to frizz or tangle.
  3. Keratin treatment can also help to protect your hair from future damage. The keratin used in treatments helps to form a protective barrier around each strand of hair, making it more resistant to damage from heat styling and environmental factors.

Here’s another great video explntion!

Similarities Between Keratin and Protein Treatment

Many people are surprised to learn that there are actually quite a few similarities between keratin and protein hair treatments. 

Both keratin and protein treatments are designed to improve the health and appearance of your hair.

Both treatments can be used on all hair types.

They work by infusing your hair with nutrients that can help to repair damage and strengthen strands.

Both types of treatment can be done at a salon, or you can purchase them in the form of a kit to use at home.

If you’re looking for a way to improve the condition of your hair, consider trying a keratin or protein treatment.

Key Differences Between Keratin and Protein Treatment

There are a few key differences between keratin and protein hair treatments.

First, keratin treatment involves making small changes to the outside of the hair shaft, while protein treatments affect the hair’s inner structure.

Second, keratin treatments can be used on all types of hair, while protein treatments are best suited for damaged or fragile hair.

Keratin treatments rely on heat to seal the product into the hair, while protein treatments use cold to penetrate the hair shaft.

Keratin treatments mostly focus on smoothing the hair shaft and making the hair appear more shiny and manageable.

Protein treatments, on the other hand, work to repair damaged hair and improve its overall structure.

A protein treatment may be a better option if your hair is particularly dry or damaged. However, a keratin treatment may be a better choice if you’re simply looking for a way to reduce frizz and add some shine.

Finally, keratin treatments typically last for several weeks, while protein treatment results are more temporary. 

So, which treatment is right for you?

The answer may depend on the current condition of your hair. If your hair is dry and brittle, protein treatment can help to replenish lost moisture and give your strands a healthy boost.

If your hair is prone to frizz and flyaways, a keratin treatment can help to smooth down the cuticle and give you sleek, manageable locks. Ultimately, both treatments can be beneficial for your hair. It just depends on what you are looking to achieve.

Of course, there are also hybrid treatments that combine both protein and keratin. These options can be a great way to get the best of both worlds.


So, what’s the difference between hair protein and keratin treatments? Protein treatments help to strengthen your hair from the inside out, while keratin treatments help to seal in moisture and add shine.

If you’re looking for a treatment that will provide long-term results, we recommend opting for a keratin treatment.

However, if you’re looking for a quick fix or are experiencing some serious damage, a protein treatment may be more suited for your needs.

lady having Keratin Treatment

Have you tried either of these types of treatments before? Let us know in the comments!


  • 1. Lee Y, Kim YD, Hyun HJ, Pi L, Jin X, Lee WS. Hair Shaft Damage from Heat and Drying Time of Hair Dryer. Annals of Dermatology. 2011;23(4):455. doi:10.5021/ad.2011.23.4.455
  • 2. Powell BC, Rogers GE. Hair Keratin: Composition, Structure and Biogenesis. Biology of the Integument. Published online 1986:695-721. doi:10.1007/978-3-662-00989-5_34