How often should you dye your blonde hair? Every 4 to 5 weeks

hairdresser evaluating blonde hair for re-dyeing

  • If you want to keep your roots dark and the rest of your hair blonde, you should touch up the dye every four to five weeks.
  • Instead, to keep your roots and lengths blonde, you should touch up the dye every three to four weeks, depending on how blonde you are.
  • The lighter the blonde you apply, the more often you’ll need to touch it up. And in a few moments, I’ll tell you more details.


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When you reach your desired bleach level, you breathe a sigh of relief.

You’ve finally made it, and your hair color looks just as you imagined it would. But perhaps you didn’t count on one small detail.


Hair grows, thank God.

It grows about an inch and a half per month. You’ll start to notice your roots are darker than the rest of your hair.

 That is, the new hair grows, but it won’t have the same color as your colored hair. 


And if you don’t want that contrast in your hair, you’ll have to touch up your roots.

Now, how often should you do it?


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It all depends on the shade of blonde you choose.

And that’s what I’ll talk about next.

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To find out how often you should touch up the dye, you must consider your desired bleach level

re-dye every five weeks

Yes, that’s right.

The lighter the blonde, the more often you’ll need to touch up the dye.


The only case when you don’t have to keep an eye on touch-ups is if you choose to have dark roots and lighter lengths.

In that case, you should touch up the dye every four to five weeks.


However, if you want an even blonde, you’ll need to be stricter.

Also, take into account the color of blonde you want to apply.

Touching up and maintaining a dark blonde 6 is not the same as touching up an extra light platinum blonde 10.


 The broader the difference between your natural color and the dye, the more often you’ll need to renew it. 
  • If your hair is a very light blonde 9 or platinum blonde 10, you should touch up the hair color every three weeks at the most.
  • If your hair is blonde 7 or light blonde 8, you should touch it up every four weeks.
  • If your hair is dark blonde 6, you can wait for up to five weeks.


While these are the suggested touch-up times, there are a few tricks to extend your blonde color. And of course, I’ll tell you about them below


How to care for blonde hair color until the next touch up

blue shampoo on orange hair

The secret to color maintenance lies in the hair care products you use.

Shampoos, conditioners, and moisturizing masks contain chemicals that can fade blonde color in just a few applications.

Some of them are:

  • Sulfates
  • Parabens
  • Silicones
  • Metallic salts
  • Alcohol


But in this case, let’s focus on sulfates, which are the main color-faders.

Almost all shampoos contain sulfates. They’re detergents that remove grease and dirt from the hair.

But, they also fade the color.


So,   the first thing you should do to maintain your color and prevent touching up so often, is to use sulfate-free hair products. 

It includes shampoo, conditioner, and masks.

That’s just the first step.


Your hair needs to be healthy to maintain the hair dye pigments for long

coconut oil as a hair product

Blonde hair is much more delicate than hair colored with other shades.



Don’t you remember how you got to blonde?

That’s exactly right!


To get to a certain level of blonde, you bleached your hair. And chances are you’ve gone through several bleaching sessions.

They strip your hair of color but they also remove nutrients, vitamins, proteins, and moisture.

They leave your hair damaged and frizzy.


 Therefore, you should use hair beauty products that help repair your hair but also preserve the color. 

For example:

  • Instead of moisturizing masks, you can apply natural oils such as coconut or argan oil to hydrate your hair from root to tip.
  • You can also use shampoos and conditioners for chemically damaged hair because they contain additional nutrients.
  • You can choose sulfate- and paraben-free product lines that will care for color and provide nutrients.
  • You can start using leave-in conditioners that contain keratin.


If you keep these recommendations in mind, your blonde hair will be healthier until the next color touch up.



Blonde hair color is one of the most difficult ones to maintain. In most cases, you’ll need to touch it up every three to four weeks unless you want the roots to be darker than the lengths.

And remember to use sulfate-free products and nourish your hair with coconut or argan oil between each process.

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