Can you dye damaged bleached hair? 6-question quiz to check if you can bleach it

perm after bleaching

Can you dye damaged bleached hair? It depends on how damaged your hair is.

With this 6-question test, we’ll be able to evaluate how damaged your bleached hair is and if it is possible to bleach it.

  • Have you bleached your hair more than twice in a row?
  • Do you feel that your hair is too porous?
  • Do you notice that your hair is brittle?
  • Do you find that your bleached hair is still not healthy?
  • Do you notice a lot of hair loss per day?
  • Has your hair lost its shine and silkiness?

     If you answered yes to more than three questions, coloring your hair may not be your best option. 

    But don’t worry. We’ll look at each case individually, and I’ll help you solve your problem so you can finally dye your hair.

    You bleached your hair, it got damaged, and now you want to dye it again?


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    If you fail the test, dyeing your damaged bleached hair is not a good idea.

    But don’t worry. I’ll show you how to solve each of the problems that can damage your hair.

    Once you reverse the damage to your hair, you’ll be able to dye it your favorite color.

    Come on, let’s go!

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    Have you bleached your hair more than twice in a row?

    dye bleached hair

    If you have already gone through this chemical process twice in a row, your hair is in serious trouble.

     The first thing you should know is that if you color your damaged hair, any color you apply will wash out almost automatically because it doesn’t have the internal support needed to maintain the color you applied. 


    Therefore, the most advisable thing to do first is to restore its health.

    In this case, the most important thing will be to nourish it intensely. Then, when it’s recovered, the color takes the correct form and lasts longer.


    Do you feel that your hair is very porous?

    low, medium or high porosity

    The porosity of your hair after bleaching will always be high.

    But in bleached and damaged hair the porosity is extreme.


    In this case,   if you apply a dye on bleached and damaged hair, there is a risk that the first thing that sets is the dye’s undertone. 

    The undertone?


    That’s right. For example, if you apply ash blonde to bleached hair (please don’t ever do that!) because it’s damaged, it’ll fix the ash undertone. So, your hair runs the risk of being… Guess what!

    Your hair may turn green!


    If you have doubts about the degree of porosity of your hair, there are different methods to measure it.

    • The glass of water method

    This method consists of filling a glass with water and putting a strand of hair inside.

    • If it sinks fast (or takes less than a minute), you have high porosity.
    • If it remains in the middle of the glass or floating vertically, it’s because you have medium porosity.
    • However, if it remains floating or takes more than three or four minutes to sink, your porosity is low. It means that the water doesn’t penetrate.


    • Frizz ball method

    This method for measuring porosity is a bit more difficult than the previous one.

     To put it into practice, you should take a lock of hair and bring it vertically to the scalp. Then, with the help of a fine-toothed comb, push the hair from the ends to the roots (as if you were backcombing). 


    Repeat this action three or four times.

    Once finished, if the ball that formed is small, the porosity of your hair is low.

    If it is a medium ball, the porosity of your hair is medium.

    And if it is very large, the porosity of your hair is high.


     No matter what method you use to measure the porosity of your hair, bleached and damaged hair will be extremely porous. 


    So, the secret will be to reduce that porosity as much as possible so that your bleached hair heals and you can color it without fear of color failure or further damaging the damaged state of your hair.


    Do you notice that your hair is brittle?

    split ends from bad haircut

    Brittle hair is hair that is damaged and broken inside.

    This internal breakage implies structural damage that makes your hair look unhealthy and weak.

    Therefore, it’ll be hard to style.

    Also, hair that is brittle due to bleaching is at serious risk of falling out.


     Therefore, coloring your bleached hair if it’s brittle will not only slow its recovery but, as in the previous cases, the color will wash out quickly. The resulting color will be different from the one you were looking for. 


    One very important fact: having broken or damaged hair is not the same as having split ends. They are two very different issues and are not related.


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    Do you nourish your bleached hair and still can’t improve it?

    moisturizing mask for dry hair after bleaching

    Have you tried applying ampoules or masks to your bleached hair and not getting any results?


    Well, in that case, maybe you didn’t use the right treatment.

    Or maybe you should trim the most damaged parts to try to restore your hair faster.


     Keep in mind that seriously damaged hair can’t be improved with only one ampoule or mask.   In case of serious damage, they won’t have enough strength to help.


    To restore your bleached hair, you should opt for strong nourishing, super moisturizing treatments.

    But you should avoid treatments that use a flat iron to avoid direct heat on your damaged hair.

    And if you have no choice but to cut, choose a layered cut.

    This will allow you to remove the outer part of your hair which is usually the most damaged.


    Do you notice a lot of hair loss per day?

    bleached hair on comb

    Normal bleached hair suffers from significant dryness.

    But if your bleached hair is also damaged, it’ll also tend to fall out.


     It’ll be hard to style your hair if it has high porosity. Tangling and detangling will cause significant hair loss. 

    In this case, I don’t recommend coloring your hair to avoid adding chemicals to the hair loss problem.


    First of all, you should pay special attention to where the hair is cut from. Is it broken from the roots or only where it’s bleached?


    • If your hair is cut from the part you have bleached, you should apply moisturizing treatments to restore the hair fiber. Otherwise, if you color it, it could worsen and fall.
    • If your bleached hair falls out from the roots, you should consult a dermatologist immediately. The problem may be something else and not the bleaching.


    You shouldn’t dye your hair if your hair falls out from the roots. The doctor may need to examine your scalp and it would be better not to add a possible irritation with the new dye.

    After examining you, the doctor will instruct you on the steps to follow.


    Has your hair lost its shine and silkiness?

    dull bleached hair

    If you answered yes, you can be sure that your hair is going through a stage of intense dryness.


     If your hair has lost its shine and silkiness, you should not apply hair dye.  If you do, hair dye may restore shine and silkiness, but the effect will be temporary.

    If you don’t improve the health of your hair, nothing you apply to it will last.

    Nourish and moisturize it, help it to regain its health, and you’ll see how shine and silkiness will last for a long time in your hair.


    Before dyeing your bleached hair, recover it from damage

    I’ve told you why you shouldn’t color your damaged bleached hair.

    Bleached and damaged hair needs to be fixed before moving forward with other processes.

    Please make an appointment at your salon to restore your hair. Follow your hairdresser’s advice and you’ll see that your damaged hair will regain its vigor and freshness again in a short time. GO FOR IT!

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