I wanted to dye my hair ash blonde, but it ended up green. How do I fix it?

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Did you dye your hair, and it ended up green?


Don’t worry; it happens to about 75% of women looking to go ashy blonde.

And the good news is there is a solution.


Yes, don’t worry. They won’t cast you as the starring role of the Incredible Hulk’s girlfriend.

Although I can understand your desperation.

And I can understand it because the same thing happened to me.


 I also went through hoping for that incredible miracle to transform your hair into an ashy blonde. And after fifty minutes, you find out your dreams have turned into actions, and the only thing left as witnesses are green highlights.  


Dyeing your hair on your own has its risks.

After all, people study for years to conquer the theories of colorimetry.


It’s just that the art of colors isn’t limited to just artists with oils like Picasso or Dali.

What’s more, the natural color of your hair hides other tones, called underlying tones, which, even though you don’t see, are there.

And they are the little scoundrels that are at fault for that shy color you were looking for turning green.

Do you want to know why?


 All hair has underlying colors, subtones that are invisible to the naked eye. However, they are there.  

When you dye your hair, or even during bleaching, chemical products interact with these underlying tones.

Blondes, for example, have underlying yellow tones, and brown hair has orange pigments.

In most cases, when we dye our hair, those of us that aren’t experts in color theory forget to think about the tone that we want to get and the tone that we have at that moment, and the underlying tones.


Have you ever seen that in the salons, they prepare the dyes by mixing various things?


That’s what I’m referring to.

 Hair dyes aren’t flat colors. They are separate, and when we make the mixture correctly to get the perfect ashy blonde, the color green appears.  

It can even appear a few days after having gotten the perfect ashy blonde and even more so if you go swimming because water with chlorine and water from the tap leaves green tones in your hair.


Well, I think we have talked enough about the topic of color theory, so let’s move on to not one but various solutions so that you stop hiding and shine like the blonde you should.

Do you want to finish off those green highlights in your ash blonde hair?


 Here I have three solutions for you. 

I personally chose the first, which seemed the most natural and gave me results.

But just in case, I had two other possible solutions up my sleeve, which also gave excellent results from what I researched.


Tabla de Contenidos


Tomato juice or Ketchup

eliminate the green hues

Yes, just as you read it.

Ketchup, in addition to dressing hamburgers, is also an effective natural remedy for making those green highlights disappear from your ash blonde hair.

What do you need?


  • Plain and simple: a bottle of ketchup and a shower cap

What, you don’t like ketchup?


Then you have two options: buck up and imagine that you have a luxurious hair mask on your head, or continue with green highlights.

If you are like me, meaning, one of the buck up to the unfortunate situations in life, follow my instructions:


  • If only a few pieces of your hair are green, apply the ketchup to those areas.
  • If you see that green is invading your whole head, then smear it all over.
  • Once you’ve applied the ketchup, cover your hair with a shower cap and let it sit for 40 minutes.
  • After that time has passed, rinse your hair with plenty of warm water.
  • After, wash your hair with a sulfate-free shampoo and use a deep conditioner to nourish your hair.


At this point, you should have eliminated those green streaks. At least in my case, that’s how it was.

Why is ketchup able to eliminate the green in your ashy blonde hair?

opposite colors are complementary

For two reasons.

  • First, because on the color wheel, red is opposite green.
  • And secondly, ketchup has acids that neutralize the chemical reaction that causes the alien effect, meaning green.


Although it may seem horrible to cover your hair in ketchup, for me, it’s much more horrible to live your life with unwanted, green hair.

Are you allergic to ketchup or anything derived from tomatoes?


 Don’t worry, I have other alternatives for you because I know many people who usually develop an allergic reaction to anything made of tomato. 

That’s why the next thing is to ask you if you have aspirin in the medicine cabinet of your bathroom.


No, my head doesn’t hurt. We are going to use the aspirin to finish off the green in your hair.


Keep reading.


Aspirin Paste

To use aspirin paste and finish off the green in your hair, you will need:

  • Two aspirin
  • The normal amount of your shampoo


Step by step:

  • In a morter, crush the two aspirin until it turns into powder.
  • Once you have the pulverized aspirin mix them with the normal amount of shampoo you generally use to watch your hair.
  • Distribute the mixture to the areas where your hair is green, always when your hair is wet.
  • Let it sit for five minutes and rinse with plenty of water.
  • After, proceed to rewash your hair with your normal shampoo.
  • Condition your hair.


Why does this mixture work?

Because aspirin contains salicylic acid, and when you use it on your hair, it counteracts the chlorine’s alkalinity to neutralize the green quickly and easily.

Are you allergic to tomatoes, and you don’t have aspirin?


Then you can use baking soda.


Baking soda

whitening agent

Well, for this solution, we practically turn into biochemists.

Because you should mix baking soda and hydrogen peroxide.



  • Baking soda
  • Hydrogen peroxide
  • Normal shampoo


Step by step:

  • Mezcla una parte de bicarbonato de sodio y una parte de peróxido de hidrógeno.
  • Añádelo a una parte de tu shampoo habitual.
  • Una vez tengas los tres ingredientes bien mezclados, aplícalo en tu cabello y realiza un masaje para distribuir el producto uniformemente.
  • Déjalo actuar por dos o tres minutos.
  • Enjuaga con abundante agua.
  • Lava tu cabello con tu sahampoo habitual.


For this solution to eliminate the green in your ashy blonde hair, I should warn you.

Due to hydrogen peroxide and baking soda properties, you might notice that your hair feels dry after using it.

 I suggest that once you finish getting the mixture completely out of your hair and rewash your hair, use a deep conditioner with a hair mask or coconut oil.  


Now you know how to combat the green color that can appear in your hair after dyeing it blonde.

Which of these methods will you choose?

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