Can I bleach my hair twice in 24 hours? No, for these reasons

Woman with gloves bleaches her own hair

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  • It’s really not a good idea to bleach your hair twice in less than 24 hours.
  • Keep in mind that if you do, your hair could become damaged. 
  • Also, 2 bleachings in less than 24 hours won’t guarantee you’ll achieve your desired shade.
  • Always seek the opinion of a professional hairdresser to know what steps to take.

 

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

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Hello!

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Have you just bleached your hair? But one bleach wasn’t enough to get the shade you wanted?

 

Well,  I don’t recommend you bleach your hair again in the next 24 hours.

  Bleaching is not an easy job.

Why do I say that?

 

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Because the bleach doesn’t have a fixed exposure time. Rather, it  requires you to check minute by minute how the process is progressing. 

For this reason, it’s not advisable to bleach your hair twice in less than 24 hours. In this article, we’ll see the reasons for each of the points described above.

 

Unless you want to ruin your hair, I don’t recommend bleaching it twice in less than 24 hours

lady looks with a magnifying glass at her bleached hair

Before you bleach your hair the first time, don’t forget there are a few things you need to do so the first bleaching process will be sufficient.

 

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  • If your hair tone is dark and you want to get it to a very light shade, remember you’ll need to use a 30-volume oxidizer.
 This makes the job highly risky. You will have to be one hundred percent attentive.

 

  • If your hair is already dyed a darker shade, darker than medium brown, or with reddish tones, for example, bleaching alone won’t be enough to remove them.

Therefore, it’s best to  prepare your hair so it’s in perfect health  before facing this aggressive process.

 

After the first time you bleach, tone your hair, and then use a good nourisher in order to rebuild the hair fiber as quickly as possible.

 For the next time you bleach, your hair will be in perfect condition  and won’t be irreversibly damaged.

 

If you bleach your hair twice in 24 hours, your hair could weaken and suffer major damage

dry and damaged bleached hair

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 Bleaching your hair twice in less than 24 hours can become a real nightmare  if you aren’t careful, and above all, if you don’t have enough knowledge to carry out this aggressive process.

One bleach is already an aggressive treatment in itself, but imagine doing 2 in a row! Your hair fiber can become damaged. How?

 

The first thing that happens is that  your hair becomes dehydrated,  which causes it to tangle easily.

The degree of dehydration that occurs will depend on how long you’ve left the bleach on.  The longer the time, the greater the damage. 

 

Now you know these details, remember this. Bleaching a second time in less than 24 hours,  without leaving time for your hair fiber to recover and regain its natural elasticity  and quality, you’re headed for total disaster.

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Doing  a second bleach within 24 hours can leave your hair like bubblegum,  stretched to breaking point and completely burned. And then?

 

Then, there’s no turning back:  you’ll have to wear your hair short or wear a wig. 

 

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Bleaching twice in less than 24 hours won’t guarantee you’ll reach your desired shade

applying hair bleaching products

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Before you start bleaching, you should be very clear about the goal you want to achieve and where you are going to start.

So,  maybe with a single bleaching with a high peroxide level, 30 or 40 volumes, you’ll reach your objective. 

But it’s always preferable to do 2 bleachings with 20-volume developer than one with 40-volume. Is that true?

 

Yes, but it’s not advisable to do these two bleachings in less than 24 hours of each other.

 Ideally, you should allow a couple of days to pass and nourish the hair during that time so it can recover  again and you can tackle the second bleaching with better results.

However, doing 2 bleachings is no guarantee of reaching your desired goal.

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When the tone you are looking for is very light and you start from a very dark base,  it’s best to consider the long-term objective. 

There are no magic formulas. Here’s the most important thing: make the change gradually, with  progressive bleaching. 

It will take time, but you’ll see excellent results.

 

YOU MAY ALSO LIKE: How to protect hair when bleaching – 5 tips from a pro stylist

 

Before bleaching twice in 24 hours, ask a professional hairdresser for an opinion

woman evaluating color chart with her hairstylist

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This type of work is extremely risky. Bleaching can cause severe problems. What are they?

 

  • Hair that is difficult to style.
  • Alopecia.
  • Sticky hair that stretches and breaks.
  • Scalp flaking that can even turn into oozing blisters.
  •  In extreme situations, it’s sometimes necessary to shave the entire head  to start from scratch with healthy and natural hair growth.

Therefore, the most reasonable and sensible thing to do is to leave this type of work in the hands of a professional.  Your hairdresser will help you reach your desired goal in the shortest time  and with successful results. They will know which procedures are right and the time frame they can be achieved in.

 

Conclusion: Bleaching twice in 24 hours is a very high-risk process if you don’t have the necessary knowledge

As we’ve seen, I absolutely do not recommend you bleach your hair twice in 24 hours. Now you know that if you do, you run the risk of burning or breaking your hair. You could even burn your scalp.

I repeat my usual advice:  make an appointment at your hair salon and leave bleaching in the hands of your trusted hairdresser. 

You’ll see how you achieve your goal easily and in much less time than it would take you to do it on your own. Don’t hesitate.

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