How to dye the underneath of your hair – From A to Z

Hair dye is extremely fashionable and impressive hairstyles today. It is loved and welcomed by most people. Along with the hair dye, many styles of hair dye are created. So dyeing the underneath of your hair is not to strange to young people. It brings both uniqueness and helps you express your own personality. In particular, you can do it yourself at home to save money and time. If you get these tips on how to dye the underneath of your hair, it is absolutely possible to have beautiful dyed hair like you are in the salon

how to dye the underneath of your hair
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Things we need to do before dyeing

Buy enough dye

When you wonder how to dye the underneath of your hair, care about the dye at first. Surely you will not want to interrupt your hair dye process just because of running out of dye? This sounds funny, but it is very likely to happen in reality. So, if your hair is long over your shoulders, or your hair is thick, pay attention to the amount of dye you need to prepare.

Keep your hairline clean

Apply a small amount of lip balm along the roots of your hair to prevent direct contact of the dye with the scalp.

Do not leave the hair dirty and tangled before dyeing

how to dye the underneath of your hair
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The most important thing to ensure that your hair is permanently dyed is keeping your hair clean and free of tangle before dyeing. Brush your hair smoothly. Moisten the hair before dyeing.

Check the ingredients of the dye to avoid allergies

Once you have chosen the dye, apply it to the neck or back of your ear to check for any allergies, redness, burning, hair loss. Carry out the test for 1 to 2 days before dyeing.

How to dye the underneath of your hair

Select the dye color

how to dye the underneath of your hair
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Remember that dye color play an important role in the process of how to dye the underneath of your hair.

Choose a dye color that matches the color of your entire hair and the outer part of your hair.

Also, skin color is also important when choosing dye colors. Before choosing your beautiful hair color, you need to determine the color of your skin tone. Two tones of skin are hot and cold.

People with warm skin, brown or yellow skin tone is suitable with dark brown, chocolate, caramel, red, mahogany color, orange-red, honey color, etc.

People with cold skin tone (characteristic of Westerners) spoiled for choice of hair color, from platinum color, silver ash, cream color, golden sand color to dark cardboard such as coffee, yellow-brown, light brown, red wine, red booze and so on.

Before dyeing

Mix dye according to the instructions. Remember to wrap the towel around your shoulders to avoid dyes sticking to your skin or clothing.

Divide the hair into sections to avoid mixing between the dyed and non-dyed parts. Use the hair clip to clamp the hair.


Apply the mixed color to the bottom layer only. You can use a comb to brush the dye on your hair. Brush gently until you feel your hair is dyed evenly.

If the dye you bought is boxed, spray each layer gently on the bottom of your hair. Brush evenly until the dye is distributed throughout the entire hair layer below.

Hold the dye layer on the hair for 10 to 30 minutes depending on the directions. You also have the flexibility to lengthen or shorten the time depending on the color absorption level of your hair.


Wash the hair underneath until the color on the hair dries away. You can check by checking whether the water is clean or not. The most important thing in this step is to keep other parts of your hair from getting wet. You should tilt your head forward while shampooing. Because if other layers of hair get wet, they are likely to get stained.

If your hair dye comes with a conditioner, apply it to your hair and wait for 2 minutes before rinsing.


Blow-dry the newly dyed section. Make sure the bottom of the hair is completely dry before removing the hair clips of the remaining hair. Brush the hair smoothly. And Yes! You have just finished the last step of how to dye the underneath of your hair. Look at your achievement!

how to dye the underneath of your hair
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How to keep the dye layer to be durable

Use shampoo for dyed hair

These shampoos are specifically for dyed hair, which contains the right formulas. They not only protect the hair from drying and splitting but also helps to keep hair color longer.

Both high-end brands and popular brands have shampoos and lotions for dyed hair.

Apply the tips to keep dye hair color longer

With the highlighted hair color such as dark purple and red, you use hydrogen peroxide solution mixed with strawberries for 15 to 20 seconds and then applied to the hair before shampooing. Your hair will keep dye longer and shine.

With fresh colors such as chestnut brown, gold, boil rosemary in water, then filtered to concentrate and apply to hair when shampooing. The oil from this herb will help the color of the hair brighter. And with hair dyed black or dark brown, you can use coffee on your hair during the last shampoo as a conditioner; your hair color will be beautiful and more durable.

Wash your hair with cool water

how to dye the underneath of your hair
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Want your dyed hair to be fresh? Wash your hair with cool water, as warm water can make your hair dye to fade quickly.

Only blow dry when necessary

Allowing the hair to reach a high temperature makes the dye easy to fade, so avoid the hair dryer as far away as possible. Let your hair dry naturally.

Natural ways to reduce hair color when you are not satisfied with the dye

  • Use fresh lemon

Fresh lemon juice is a natural cleanser, both has the effect of smoothing hair and has the ability to bleach hair dye.

Your hair is dyed but it is a bit dark, use fresh lemon juice to wash your hair many times to help you have the desired color fade.

How to do it: After shampooing your head with shampoo, take the juice of 1 lemon to smooth it over your hair and incubate for 5 minutes. Then wash with warm water. Only after about 5 such washes will you notice that the initial hair color has faded and your dry chemicals that use a lot of chemicals will be significantly improved.

  • Use vitamin C

If your hair is colored, your hair color is too dark, you can reduce the intensity by taking the following vitamin C tablets:

Grind the vitamin C pellets into small fine flakes and mix with filtered water to form a paste.

After moisturizing the hair, use a comb of vitamin C mixture on your hair as you would a hair dye, you should be careful to evenly brush your hair.

Cover your hair for 1 hour, then rinse thoroughly with shampoo and warm water. You will have lighter hair than the original. This way is very safe for your hair.

  • Use vinegar

Besides the spice-making effect, vinegar also has the ability to make color-dyed hair very effective and safe. Mix 3 tablespoons of vinegar and shampoo and rub it all over your scalp until the soap bubbles spread through your hair.

Then wash your hair with clean water 2-3 times until your hair is not discolored. So your hair color has faded a lot.

  • Use coconut oil or olive oil

Add 1 tablespoon of coconut oil or olive oil to the microwave, heat up and then use as shampoo to reduce the color of the hair and smooth the hair.

If you don’t have a microwave oven, you can use a steamer to heat the oil before shampooing. Or you can use warm water directly to wash your hair after you’ve covered your hair with coconut oil / olive oil.

Here is the experience from the practice of how to dye the underneath of your hair at home that you can learn and apply. Hopefully, the above sharing will help you, wish you have a beautiful dyed and shiny hair.

Hair Care Expert at Ivirgo Hair | + posts

I am Thomas Taw, the CEO of CITIZENSNIPS. I have experience in hair product development and chemical research, as well as sustainable resource engineering. In 2009, I co-created Sunsilk, one of the world's leading haircare brands. More recently, I was the CEO of SMOKINGPANDA LTD. I am a professional with a strong track record in delivering tangible results.

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2 thoughts on “How to dye the underneath of your hair – From A to Z

  1. Avatar of rachel frampton
    rachel frampton says:

    I have been planning to have my hair dyed because I want to look different this year. I’m glad you shared this; I’d make sure to apply a lip balm along with the roots of my hair so direct contact of the dye will be avoided. I’d also make sure to apply it to my neck and back of my ear first just to check if I am allergic to it.

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