Keratin Treatment for Hair on coloured hair, Before & After, pros & cons

Last Updated on June 18, 2021 by yangandbeyond

Keratin Treatment for Hair: Does keratin kill your hair? How long does a keratin treatment last? What are the side effects of keratin hair treatment? What’s better, Keratin treatment or hair straightening? I am sure, you have tons of questions in your mind going on right now, while at the back of your mind, you are deeply contemplating whether or not to go for a keratin treatment.

Keratin Treatment for Hair

I tried keratin hair  treatment for the first time

In December 2020 I got my first ever keratin hair treatment and it’s been almost 6 months now. I am writing this blog post to share my experience with a keratin treatment and to help you all decide if you should go for keratin treatment of hair or not. 

Before that, let’s just understand  what keratin treatment is and what it does to the hair.

Keratin is a natural type of protein in your skin, hair, and nails. This protein forms fibers that make it strong. Keratin works by smoothing down the cells that overlap to form your hair strands. The layers of cells, called the hair cuticle, theoretically absorb the keratin, resulting in hair that looks full and glossy. Keratin also claims to make curly hair less frizzy, easier to style, and straighter in appearance.

Understanding your hair type is really necessary before going for any hair treatment. Not that I am a hair stylist or an expert, but since over the years I have experimented with multiple hair styling and coloring services, I can for sure now say that a lot can depend on your hair type. My hair for that matter is super dry and frizzy at the ends and oily around the scalp. If I had  to categorize my hair type to one category, then it’s definitely going to be ‘Wavy hair’. 

keratin treatment on curly / wavy hair

Does keratin straighten hair? As you can see, my hair looks straight but not completely flat. I had done chemical hair straightening in the past, and to be honest, I prefer keratin treatment above chemical hair straightening. It made my hair super manageable and all the frizziness was gone. Keratin treatment of hair is a good option for those who want to do away with the hazzel of every morning hair straightening routine. The treatment helps you take a break from everyday hair styling tools. If you have dry and damaged hair due to long periods of hair colouring and hair styling tools used, you can give it a try as well. 

Here is my before and after keratin hair treatment picture

before and after keratin hair treatment picture.
keratin treatment before and after
keratin treatment before after
keratin treatment after 3 months

Right now, my hair has grown up to 3inches  long, while the newly grown hair is my original hair texture , the end of the hair is still straight, but not completely smooth.

Keratin treatment hair after 5 months

Keratin treatment on coloured hair

If you are thinking of doing keratin treatment for your hair and then color it later, I’d suggest going the other way round. Yes, the treatment will change the original hair color, but not drastically. The best way is to color your hair first and then go for keratin hair treatment since you don’t want the effectiveness of the keratin product on hair to get overlapped by chemical hair color. 

Keratin treatment pros and cons

Keratin treatment pros

Keratin treatment pros

  • Makes hair smoother and easier to manage 
  •  Hair looks glossy and healthy 
  • Calms frizzy hair 
  • Natural straight finish 

Keratin treatment cons 

  • It can be pretty expensive  depending on the thickness and length of your hair
  • As your hair grows, the crown of your head and ends of your hair start to look weird. For those with super curly hair, they might need to get a touch-up every 3 months. 
  • Keratin treatment hair shampoo & conditioner are also pretty expensive. 

How to take care of your hair post Keratin hair treatment

  • Don’t wash your hair too often. Keratin treatment on hair would last for just up to 45 washes.
  • Invest in good keratin treatment hair shampoo and conditioner. Avoid products that have sulfate or paraben. Sulfate-free shampoo will ensure it cleanses the hair without stripping keratin from the hair.
  • Never skip hair serum!

How much does the keratin treatment cost

Keratin treatment price in India varies from 5k to 15k depending on the length of your hair and standard of the  saloon. I was lucky that I got Keratin treatment at home through a hairstylist I know. 

My overall experience:

yes, I absolutely like it. It was way better than having the hair chemically straight (which I previously did during my college days and fully regretted it.) While I had no big concern with my wavy hair, the ends of my hair, over a time of coloring, had become fried and unmanageable. Keratin treatment not only improved my hair texture but helped tame my frizzy hair, it also added shine and some life to my dead hair. Now that it is growing, I am thinking to let it grow to its natural texture since the ends still look fine. The reason I am thinking not to do it again is that my hair is pretty thin and keratin treatment tends to make it look flat. However, I don’t mind trying it again a few years down the line 😉


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