How to blend gray hair with dark brown hair (the right way)

There are several ways to blend your gray hair into the rest of your dark brown hair.

The best option for you will depend on where you’re starting from and where you want to go with your hair.


But, roughly speaking:

  • If you want to hide your grey hair in your dark brown hair, you have two options: full coverage with demi-permanent brown dye or grey highlights in your hair.
  • If you have colored gray hair and want to hide your brown roots, you should bleach them and apply a gray dye.


at a hair salon

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If your natural hair color starts to turn gray, but you’re not ready for the change, there are two effective ways to disguise it: cover it up or blend it in.

 Both can be effective in hiding gray in your dark brown hair, keeping your hair healthy and natural-looking.  The first step to getting the result you want is to know the difference between the two coloring techniques.


  • The first option is to cover the grey hair completely. How do you do that? By completely applying a color that matches your natural color.

By applying the dye, you will manage to cover your grey hair with an ammonia-free dye. However, you will need to touch up that color after 4 to 6 weeks.


  • The second option is baby lights or color sweep.

Are you looking to start playing with different shades in your dark hair while hiding the grey hair?

And, on top of that, do you want to avoid very regular touch-ups?


Don’t give it another thought. This is the ideal option for what you are looking for because it is low maintenance and aims to camouflage grey hair, adding other colors similar to your dark brown shade.

 The mix incorporates your grey hair in a way that leaves some locks lighter than the rest to obtain natural and subtle highlights.  As the color is combined with your natural tones, there is no visible color line.

Generally, you’ll need to touch up the highlights after six to eight weeks. It couldn’t be better, right?


  • If you have your hair dyed grey and the brown roots have started to appear, the last option is to bleach the roots and then apply a grey dye.


As you can see, the options are different. So, the solution will be different too.

 That’s why it’s important to focus on your hair and what you want to achieve. It also depends on how much grey you have in your hair. 


For example, if you have a lower amount of gray hair or are looking for a solution that involves less maintenance, you should use a demi-permanent dye.

This type of dye achieves gray coverage without leaving a limiting line since it fades gradually.


You can also choose highlights with silver reflections, which will give your hair a multi-dimensional effect, covering grey hair and giving it a completely natural look.

Now, what’s your case? Have you decided how you want to hide the gray in your dark brown hair?


Then, stay with me, because I’ll tell you:

  • How to cover grey hair in dark brown hair
  • How to make grey highlights on dark hair
  • How to hide brown roots in dyed gray hair

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How to cover gray hair in dark brown hair: full color

match color

If you want your grey hair to disappear, the best option is to apply dye to cover it. In this case, you should choose a demi-permanent dye, which deposits the pigment in your hair without penetrating the hair fiber, unlike permanent dye.

Why is demi-permanent hair color better?


By depositing pigment on the hair fiber, it perfectly covers grey hair, as it is hair that cannot retain pigment.

If you were to apply a permanent dye, your hair would lighten even more, and the color of the dye would fade quickly.


 Also, demi-permanent hair color is ammonia-free applied with 9-volume peroxide. So, it’s much less aggressive to your hair than permanent hair color.  

Look for the dark brown shade, which is more like your base shade, which you will find in the big brands’ coloring kits.


Following the manufacturer’s instructions, your hair will be free of any trace of grey:

  • Comb your hair with a middle part to correctly see the gray roots.
  • Prepare the color mixture with the dye and the developing cream or peroxide.
  • Apply only to the gray roots, approximately 2 or 3 centimeters, and let the mixture work for 30 minutes.  After the exposure time, rinse off.


The first thing you’ll notice is that there’s no dividing line between your dark brown hair and the new color. So, you can sing “hallelujah.”

Demi-permanent hair color lasts 3 to 4 weeks. Of course, that will always depend on your hair care routine, the products you use to wash your hair, and the weather.


How to conceal gray hair with gray highlights


If you don’t want a full dark brown color in your hair, highlighting is your best alternative. However, you’ll have to go to a professional because this technique is more complex than full dye coverage. 

The best way to mix grey hair with dark brown hair is by applying silver highlights, and in this case, I recommend choosing the highlights with aluminum foil. Why?


Because it allows you to do the highlights in a more localized way, highlighting your face’s features. You can also cover more effectively those areas of your hair that are gray.

What shade of grey is ideal for achieving this fusion? The tone will depend exclusively on the color of your gray hair.


For example:

If your gray is white, you can apply shades such as:

  • Silver Grey
  • Platinum Grey
  • Pearl grey
  • Pearly grey


If your grey hair is grey you can apply shades like:

  • Grey
  • Smoke grey
  • Lead grey


If your gray is yellow you can apply shades like:

  • Grey-green
  • Blue-grey
  • Purple grey


Once the professional defines the ideal color, the process begins.

  • The first thing they’ll do in the salon is separate your hair to bleach it with the highlights technique.  Remember, if you choose the paper technique, you’ll be more able to locate the highlights. 
  • Once the bleach mixture is applied, you should wait 20 to 30 minutes.
  • After this time, they will remove the papers and rinse your hair. Then, apply the grey dye.
  • After 20 minutes, they will remove the dye, and your greys will be completely camouflaged in your dark brown hair.


You should renew the color every 5 or 6 weeks in the salon, and you must wash your hair with purple shampoo to keep the gray longer.


How to hide brown roots in grey colored hair

Greys has been a trend for several years because they are beautiful and very striking colors. But, what happens when the dark brown roots grow?


 You will have to bleach your roots and then apply a grey dye.  Fortunately, this process is easier, so you can do it at home without any problems.

What do you need to bleach your roots?

  • 30 volume peroxide
  • Bleaching powder
  • Coconut, argan or linseed oil
  • Gloves


After the bleaching process, you will need

  • Grey dye kit
  • Dye brush


Once you gather all these elements, you can start the process.

  • Start by bleaching your roots.
  • Mix the bleaching powder and 30 volume peroxide in a plastic container, adding a few drops of oil to protect your hair fiber.
  • Put on your gloves and apply the mixture to your roots with the dye brush. That is, in two to four centimeters of growth.
  • Leave the mixture to work for 20 minutes, and when it reaches a buttery color, rinse with plenty of warm water until all the mixture has been removed.


  Once you have bleached your roots, you can apply the gray dye, which should be the same shade as the rest of your hair. 

To keep the grey tone in your hair longer, you can use a purple shampoo to avoid the yellow tones that can arise. Remember to renew your color every three weeks so that it always looks perfect.

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