Can I bleach my hair again after 2 weeks? Is it too soon?

bleach burns the scalp

  • Any professional hairdresser will tell you that you shouldn’t bleach your hair again after 2 weeks. It’s too soon and you risk burning it.
  • You can only bleach your hair again after three to four weeks.
  • Today, I’ll show you how to test your hair to see if you can bleach it again after two weeks.
  • Remember your hair health depends on it.


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First of all, don’t get frustrated.

It probably isn’t the answer you were hoping for, but I need to give you trustworthy information.

 It’s not easy to say whether you could bleach your hair again after two weeks without taking a look at it. 



Even though I’m a stylist, I can’t guess.

So, I don’t know what kind of bleaching process you got, how it was done, or who did it.


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For example, bleaching colored hair is different from bleaching natural hair. Also, a 20 volume developer doesn’t work like a 30 volume developer.

Of course, a 30 volume developer is more aggressive for the hair.


Also, bleaching dark hair isn’t like bleaching light hair because the exposure times are different.

So, for all these reasons, and because I care about your hair health, I think you need to decide on your own hair.



By answering a few simple questions.

If you went to a professional salon, the stylist would assess your hair to give you the appropriate advice.


But if you want to bleach your hair yourself, you should do it yourself.


That’s right.     You must do it conscientiously.

Don’t let yourself be betrayed by the urge to bleach your hair again without checking its damage.


Are you willing to take this test thoroughly?

Then, let’s get started.

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Test to check if you can bleach your hair again after two weeks

bleach hair with product in it

This test has two parts:

  • Observation
  • Strand test


Part one: observation

Take fifteen minutes away from distractions. You need to concentrate on your hair.

 You’ll look for signs that show if you can bleach your hair after two weeks. 


Do you have good light? An extra mirror? Let’s get started. I’ll ask you a few questions. Please write down the answers on a piece of paper.

  • Does your hair have frizz? Write down the answer on the paper.
  • Is your hair rough?
  • Is your hair stiff and dull?
  • When you touch your hair, does it feel coarse?
  • Do you notice split ends?
  • Comb your hair for five seconds. Look at the brush. Are there a lot of hairs caught in the brush or comb? If you look at the floor, do you notice a lot of fallen hairs?


The observation stage is over.

It’s time for you to look at the answers.


If you’ve taken the test thoroughly, you probably have, at least, three “yes.”

How do I know?


Because you bleached your hair. Bleaching damages hair by reducing hydration and nutrients.

So,  if you answered yes to any of those six questions, you shouldn’t bleach your hair again after two weeks. 


Your hair is damaged and dry, and if you bleach it, you can burn it. And that damage is irreversible.

However, if you still have doubts, let’s take the second part of this test: the strand test or chemical resistance.


Second part: strand test

determine how long to leave toner on orange hair

This test will help you for several things:

  • Define if your hair will resist bleaching again.
  • Know how blonde your hair will be.
  • Estimate if you’ll get orange or yellow unwanted undertones.

Also, the strand test is easy to do in a few minutes.


Here is the step-by-step:

  • Comb and gather all your hair into a ponytail. Leave only one strand loose.
  • Prepare the bleach to cover that strand.
  • Apply the bleach on the strand from root to tip, and leave it on for  20 minutes. 
  • Rinse and dry.

Once the strand is dry, it’s time for the moment of truth.


Look at its texture, color, and strength.

  •  Texture:  go over your tresses with your fingers. How does it feel? Rough? Dry? If so, you’re not ready for another bleach.
  •  Color:  take a good look at your strand. Did you get the blonde you were looking for? This is very important. If you didn’t, you’ll need to bleach again. Therefore, your hair will need another bleach but it could be too damaging.
  •  Resistance:  take the strand with both hands and pull quickly. Is the hair strong? Then, it’ll withstand further bleach. The strand broke? This means that it won’t withstand further bleaching.

If you confirm that you can’t bleach your hair again in two weeks, you’ll need to take that time to repair your hair.

How? That’s what I’ll talk about next.


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How to repair your hair until your next bleach

To repair your hair and prepare it for a new bleach, you can use natural oils, keratin hydrating masks, or the well-known Olaplex.


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Repairing damaged hair with natural oils

coconut oil frequency of use

If you choose natural oils, I recommend coconut oil, which is light and works quickly.


  • Apply the coconut oil from roots to ends on your clean and dry hair.
  • Massage for 10 minutes and cover your hair with a shower cap.  Leave the oil on overnight. 
  • The next morning, rinse your hair with plenty of water and shampoo.

Repeat up to twice a week.


Repair damaged hair with a moisturizing mask

moisturizing mask for dry hair after bleaching

If you choose a moisturizing mask, make sure it contains keratin, argan oil, coconut oil, or vitamins.


  • Apply the moisturizing mask from roots to ends on clean and wet hair.
  • Massage for 5 minutes and cover with a shower cap.
  • Leave the mask on  for 20 minutes. 
  • Rinse your hair with plenty of water and shampoo.

Repeat 3 times a week.


 Perform the strand test again after two weeks. 

You’ll notice that the result changes, and now you can bleach your hair again.



Bleaching is a very aggressive process for the hair. You must be sure that your hair will resist it.

Bleaching should be done at least every three weeks. Otherwise, the damage to your hair can be irreversible.

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