Best shampoo and other care products to maintain your Japanese straightening treatment

Do you want to know what shampoo to use after doing a Japanese straightening treatment?


I congratulate you!

Because you are much more intelligent than I am. \

 Or at least more intuitive because you guessed that after straightening your hair, you can’t keep using the same shampoo as always. 


Since I didn’t think about that questioned, I ruined my Japanese straightening treatment.

I lost time, money, and what’s worse, I ended up not getting smooth, shiny and straight hair.

All for not using the correct shampoo. It seemed like a lie that a detail like that would make me lose the two hundred dollars that I spent on the treatment.


Pay close attention.

Because what you do with your hair for the first 72 hours after getting the Japanese straightening treatment done is of critical importance. No water, no going outside without an umbrella if it rains, no pools and no going outside to run.

But above all, and after these first 72 hours, you should use salt-free and obviously sulfate-free shampoo to wash your hair.


Most shampoos contain salt, which is a very effective thickening agent to give the product that viscosity and creamy texture that we are used to.

But, now that you have straight hair, you shouldn’t buy a shampoo just because of how it looks or smells. You should buy one thinking about the treatment that you’ve done to your hair.


 So, to be sure that your shampoo doesn’t get rid of the results of the Japanese straightening treatment, you should only use gentle shampoos, without sodium chloride or sulfates, which are responsible for stripping out components like Ammonium Thioglycolate that straighten your hair.  


That is the truth.

Because if you keep using your usual shampoo, the only thing that you will do is finish off your hair, like I did.

At the end of a month, there was nothing left of my Japanese straightening treatment, but also, my hair looked bad, with a lot of frizz, as if I was always sticking my fingers in sockets.


But I wasn’t going to resign to this reality. I waited six months, to do the straightening again, but this time I knew very well which was the best shampoo that I should use.

Do you want to know which one it was?


Then keep reading, because I will tell you:

  • The 3 best salt-free shampoos for hair with a Japanese straightening
  • Other tips that you should keep in mind to care for your straightened hair


Of course, you can always keep using your regular shampoo.

But if what you want is for your straightened hair to last longer and look fantastic, I advise you not to make the same mistake as I did.


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Did you do a Japanese straightening? If you don’t want to ruin the treatment, wash your hair with one of these shampoos

Since I straightened my hair, I alternately use these three shampoos.


  • Aveeno Pure Renewal

for hairs treated with permanent straightening

This shampoo doesn’t contain salt nor sulfates, the greatest enemies of any straightening treatment, be it keratin or Japanese.

Also, it is easy to find both in physical stores or online, so you won’t have a problem finding it.


Even though it doesn’t have salt, it has a pretty creamy texture, so it isn’t difficult to distribute it all over your hair. This makes a little bit go a long way to leave your hair clean.

And another thing that I noticed also, is that in the shower, less hair ended up on the floor after I washed my hair.


  • Pureology Hydrate Sheer 

This shampoo is simply fantastic. I didn’t put it in first place because it has one con: it is a bit more expensive than the others.

But every cent will be worth it if you decide to go for this shampoo, especially if in addition to be straightened your hair is dyed.

When I use this shampoo, I notice that my hair is much softer, surely thanks to its ingredients, such as sandalwood and organic rose.


  • John Masters Organics

neutral ph

Do you have naturally dry hair?


Then, this is the ideal shampoo for you, because it has a neutral pH, which will noticeably nourish your hair, hydrating it and leaving it shinier.

In addition to giving back the natural moisture to my hair, I love the smell of lavender that it leaves every time I use it.


Now you know which are the best shampoos for washing permanently straightened hair.

But also, it is important to keep in mind other matters so that the effects of the Japanese straightening lasts for longer in your hair.


How to care for your straightened hair so that the treatment lasts longer

After doing my second Japanese straightening treatment, I realized that it requires a lot of care and maintenance so that it lasts as long as possible.

When the stylist’s work is over, yours will start so that your hair looks perfect and healthy. That’s why, it is important that you always keep in mind the recommendations that the stylist gives you to protect your hair until the next time you retouch the treatment.


  • Your new hair should remain in the straightest position possible. Don’t tie it up in a ponytail or use any type of ties or clips during the first seven days. Even putting your hair behind your ears can cause a horrible mark and ruin the perfect straightness.

If any mark appears, take your flat iron and softly pass it over the mark being sure to keep the iron moving to avoid damages from excessive heat.


  • Do you practice swimming? You can calm down, since you won’t have to shy away from your favorite sport. I also love to swim and I’ve even managed to win a few medals.

But remember to keep your hair from entering into contact with the chlorinated pool water, at least for the first two weeks.

You should also avoid excessive sun exposure in the first days after the treatment, and if you have no other option, don’t forget to use a hat.


  • Straightened hair absorbs less humidity and dries faster, but if you don’t have time to wait for your hair to air dry, use a dryer with a ceramic heating unit and internal components with a tourmaline infusion.

It is always best to keep the hair dryer the correct distance and to use a diffusor accessory to disperse the air flow.


  • When you finish washing your hair, use a wide-toothed comb to gently get rid of the tangles and dry your hair with a downward movement to close the cuticle.



Now you know that the best shampoos for straightened hair with the Japanese system should not have salt or sulfates.

Which of those will you choose to keep your hair straight for longer?

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