Can you bleach over henna? How to prepare your hair before doing it?

  • If you dye your hair with 100% natural, pure, and organic henna, you can bleach it perfectly well. First, you have to fade the henna with an anti-dandruff shampoo and moisturize it deeply before bleaching. Later on, I’ll tell you how to do it properly.
  • If you used a cream or henna dye, you can’t bleach it because you risk damaging your hair permanently.
  • In this case, it’s best to get a professional assessment.

 

too much makeup

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As you can see, whether you dye your hair with 100% natural henna or not will determine your bleaching possibilities.

Why?

 

Because some products are offered as henna, but they aren’t pure henna.

Those products contain chemicals that will react right when they come into contact with the bleach.

What will happen then?

 

 Your hair fiber will break, which will result in hair loss and breakage. 

That’s why, if you want to make sure you can bleach it, the henna you use has to be 100% natural.

Is your hair dyed with 100% natural henna?

 

You can bleach it. But, first, you have to fade the henna.

Did you use henna that is not 100% natural?

 

 Make an appointment with your stylist to find a professional solution. If you don’t, you’ll condemn your hair to destruction. Plain and simple.  

So, now, I’m going to speak to those who only used absolutely natural henna. This is for them:

  • How to prepare henna colored hair for bleaching
  • How to bleach over henna colored hair

 

How to prepare henna dyed hair for bleaching

to remove traces of hair dye

The first step in bleaching over your henna dyed hair is to fade the color.

What do I mean?

 

You should remove as much henna as possible from the hair fiber.

  • If your color is faded because you applied henna long ago, one single bleaching session will remove it.
  • If you applied henna only days or weeks ago, you’ll need at least 2 or 3 bleaching sessions.

Why will you need so many bleaching sessions?

 

  Because henna is only present in dark colors, such as reds and oranges, which are very difficult to remove.  Also, as you must know, henna pigments are very durable, much more so than a permanent dye.

What will you use to fade henna?

 

Dandruff shampoo:

  • Wash your hair with dandruff shampoo, and leave it in for 3 to 5 minutes
  • Rinse and apply conditioner
  • Repeat every 48 hours for 7 days

 

Yes, I know it's many days, but guess what?

 After those 7 days, you’ll probably not need to bleach your hair, and that’s excellent news. 

Also, you won't need to because dandruff shampoo is one of the few products that remove henna.

 

How to test your hair after henna fading to see if you can bleach it

After those seven days, look at your hair.

  • If you notice that the color is completely faded, you don’t need to bleach it. I advise you to do intensive nutrition and hydration treatments, like the ones I’ll tell you about in a few moments.
  • If you can still see the color of henna in your hair fiber, you’ll need to bleach it. Firstly, your hair will need an urgent hydration treatment so that it resists bleaching.

 

Where to start?

Moisturizing masks are the first step.

 

Moisturizing masks: twice a week for two weeks before bleaching

using before bleaching

Any type of mask containing keratin or shea butter will work perfectly.

  • Wet your hair, apply the mask from root to tip and cover your hair with a shower cap.
  • Leave in for 20 minutes and rinse.

 

Coconut oil: 4 hours before bleaching

keeps hair hydrated

It’ll protect your hair fiber as much as possible from the aggression of the bleach.

Remember that you have just faded the henna with the dandruff shampoo, which will have dried out your hair quite a bit. Now, your hair fiber is going to be bleached. When it comes to protecting your hair, more is definitely more.

 

Now it’s time to bleach your hair.

 

How to bleach over henna colored hair

30 volume developer and shampoo

Ingredients:

  • White or blue bleaching powder.
  • 30-volume developer.
  • Coconut oil.
  • Dye brush.
  • Plastic container.

 

Step by step:

  • Comb your hair with a middle part and separate it into 4 sections, from front to back and from ear to ear.
  • In a plastic container, mix the white or blue bleach with the 30-volume developer. Add 8 or 10 drops of coconut oil to protect your hair during the process.
  • Release one section of your hair and apply the mixture to lengths and ends with a hair color brush. Repeat in the rest of the hair.
  • Leave in for 20 minutes.
  • Apply the mixture to the roots and leave it in for 10 minutes.
  •  Then, rinse your hair with warm water,  and wash with shampoo and conditioner.
  • Remove the excess water with a towel and either air dry your hair or with a hairdryer at medium temperature.

 

Conclusions

You can only bleach over your henna colored hair when you used 100% natural henna.

However, first, you have to fade the color with dandruff shampoo for seven days. Then, apply moisturizing treatments for two weeks, and only then, you’ll be able to bleach your hair.

If you used a cream or henna dye, you shouldn't bleach your hair. Instead, you can visit a salon for professional advice.

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