Can I bleach my hair twice in one day? And two days in a row?

dye right after bleaching

  • Hair should never be bleached twice on the same day. Nor should you bleach your hair again the day after.
  • There should be at least three weeks between bleaching sessions. In the meantime, you should deeply nourish and strengthen your hair.
  • If your hair is badly damaged after the first bleaching, you should wait at least three months before bleaching again.
  • The only way to bleach your hair twice on the same day is to have the process done in a salon where a professional will apply products such as Olaplex, for example.


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A few days ago, a girl asked me, “can I bleach my hair twice on the same day?”


No! Absolutely not.

Actually, you can, but you shouldn’t.

  Bleaching your hair twice in the same day is a real delusion.  


I know. Now you’re thinking that if you can’t bleach it twice in the same day, you’ll bleach it again the next day. Don’t even think about it.

You can’t bleach it again the next day either. 


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I think I’ll launch a worldwide campaign to make everyone aware that hair isn’t made of steel.

 It’s not unbreakable. 


Bleaching is to hair what a hurricane is to a city.

Can you imagine the damage of two hurricanes in a city on the same day?


It would be a catastrophe.

Every house and landscape would be devastated.

 If you bleach your hair twice on the same day, your hair will also be devastated.  

Bleach chemicals sweep the color out of your hair but also damage it.


That’s what many people don’t quite understand.

They think that bleaching is a process they can do on their own without taking precautions.


  I’ve seen so many women with their hair destroyed by bleaching twice on the same day   or two days in a row.

They end up with gummy hair or with such weak hair that it would slip out of their hands just by wetting it.


For a long time, even professionals wouldn’t bleach our hair twice in one day. We knew there was no way to protect the hair from damage.

However, nowadays, products like Olaplex protect the hair from root to tip during bleaching. They’re applied before, during, and after the bleaching process.


These products are exclusively for professional use, and I’ll tell you more.

For example, Olaplex trains stylists to learn how to use the product correctly.

That’s why Olaplex 1 and 2 are sold exclusively to professionals.


So,   if you want to bleach your hair twice in the same day, you’ll have to go to a salon and pay a small fortune to get it done.  In that case, you’ll have to include Olaplex.

If you can’t afford to have your hair bleached twice in the same day at a salon, you’ll have to resign yourself to scheduling multiple bleaching sessions.

But why?

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Why is bleaching such an aggressive process for hair?

Change is beautiful, and that’s why we all want to transform from time to time.

We play with different shoe styles, try makeup techniques, and even change our hair color.

After all, the processes of trial and error help us figure out what style suits us best, what works, and what doesn’t.


  But when you’re thinking about bleaching your hair, there’s no room for “trial and error.”  

Bleaching is a rather delicate process, which can damage the hair if you do it incorrectly.

But if the process is done correctly, it can transform your hair and give you that beautiful color you’ve always wanted.


Unlike coloring, bleaching removes color from the hair through a process known as oxidation.

This means that both artificial and natural color is removed from your hair core.


A bleaching agent, also known as an oxidizing agent, is used in the process.

Hydrogen peroxide and ammonia are two of the bleaching agents commonly used though they are often mixed together for a more stable solution.


But be careful because even manufacturers who claim their product is “peroxide-free” are often lying. They most likely contain some other oxidizing agent that will do the same and also damage your hair.


Depending on your current hair color, you’ll only be able to achieve a certain level of bleaching.

You won’t be able to get to ash blonde or platinum in a day if you want to keep your hair as healthy as possible.

You’ll have to take one step at a time. Each bleaching session can lighten your hair up to 4 tones.


If you don’t achieve the color you want, you’ll have to bleach your hair again.

However, you can’t do it the same day, the next day, or five days later.


Bleaching your hair twice in a row, either on the same day or the next day, can cause hair breakage at the crown of the head, for example.

If your hair breaks, what will you have left to bleach?


Absolutely nothing.

So how long should you wait to bleach your hair again?

That’s what I’ll talk about next.


How long should you wait for a second bleach?

plastic bowl

Let’s start with the main idea: to have the healthiest hair possible after bleaching.

How come?


If you need to bleach your hair again, it must withstand the second bleaching.

So, you shouldn’t bleach your hair more than once a month. I repeat for the distracted who were thinking more about color than hair health.


You shouldn’t bleach your hair more than once a month. Do the math.

  This means you should wait at least three weeks until your next bleaching session.  


You must allow your hair to rest and recover. This takes time. You can’t repair and moisturize your hair overnight.

You need to give your hair the nutrients that bleaching takes away. When the chemicals open your hair cuticles, they expel color and remove proteins, amino acids, and moisture.


That’s why you should do as little damage to your hair as possible the first time you bleach it.

How can you do that?


The night before bleaching, apply coconut oil all over your hair and leave it on overnight, Don’t remove it to apply the bleach.

Trust me. The coconut oil won’t stop the bleaching mixture from working but it’ll minimize the damage from the chemicals by keeping your hair moisturized during the process.


Prepare all the elements to bleach your hair:

  • Non-metallic bowl
  • An old t-shirt
  • Gloves
  • Bleach: a 30-volume developer and bleaching powder
  • Deep conditioner or coconut oil.


Step by step:

  • Divide your hair into small sections, holding them with hair clips.
  • Prepare the bleach and wear gloves to avoid damaging your skin.
  • Apply the bleach from roots to ends, evenly throughout your hair, and leave 2 centimeters at the roots.
  •   Leave it on for 20 minutes. Don’t exceed the exposure time.   The chemical reaction has a maximum time limit. Therefore, your hair won’t get lighter, but the chemicals will damage it terribly.
  • Constantly monitor the reaction.
  • Rinse your hair with plenty of cold water, and apply shampoo and conditioner to remove any remaining mixture.


Now you’re ready to wait three weeks and proceed to the second bleach.

In the meantime, repair your hair.

Here’s how to do it.


How to repair your hair between the first and second bleach

extra virgin

These three waiting weeks are crucial to help strengthen your hair to face the second bleaching session without suffering any damage.


  • Again, you’ll need the help of coconut oil.

I recommend that you apply   coconut oil every other day to your hair and leave it on overnight.  

Coconut oil will give your hair a nutritional and hydration shock, which is what your mane needs right now.


After three weeks, the night before the second bleaching session, apply coconut oil and don’t rinse it out before starting the process.

Proceed to bleach your hair as you did for the first bleaching.



If your hair is damaged after the first bleaching session, you’ll have to wait longer to bleach it again. 

Ideally, you should wait at least 3 months.


In the meantime, you should nourish and strengthen your hair following the recommended moisturizing routine above.

Remember, bleaching is a very aggressive chemical process and should be done by professionals.

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