How Long Does Blue Hair Dye Last? How to Extend

One thing that no one tells you is that semi-permanent blue hair dye fades very fast. For most, the vibrant blue will fade off within 7 days and by 30 days it will turn to teal. Eventually, it will end up green in around 60 days.

However, there are many things that you can do to extend the longevity of the blue color.

How Long Does Blue Hair Dye Really Last?

As you already know that the semi-permanent blue color doesn’t last much. The vibrancy usually lasts for 7 days and with every hair wash it would fade. Depending on how you are taking care of your hair, it will eventually turn to teal and ultimately to green.

How to Extend the Life of the Blue Hair Dye?

Colorful blues may be difficult to maintain. And at times it seems that virtually anything can be used to remove that amazing vibrant color. But for those of us who choose to color our hair blue, there is still hope. According to hair specialists and colorists, good hair care and upkeep are the keys to beautiful blue strands. If you’ve been told that the frequency with which you recolor your hair is important, you’d be incorrect. Keeping your hair in good condition between salon appointments is critical to the longevity of your blue color.

If you want to keep your hair’s blue hue, there’s no need to go overboard. In order to maintain your hair color’s vibrancy, you don’t have to do a series of complicated duties or follow a lengthy procedure. In reality, many of the below-mentioned tips are simple lifestyle adjustments that anybody can do.   According to the specialists, here are 7 techniques to prolong the life of your blue hair color.

No More Heat

Hair Heat Tools

Using a hair straightener or curling iron on hair that has been dyed might severely damage it.

If the hair cuticle is opened by the heat from hot equipment, it might lose its color or fade. So, if you’re using hot tools, maintain them at 350 degrees or less in order to get the best results with the least amount of color fadeout possible. In the long run, excessive use of heat styling equipment might cause your hair to become dry or fade in color. Your hair undergoes a chemical reaction as a result of the heat. Hair may be damaged in as little as a few minutes of direct contact with high heat.

You should avoid using hot styling equipment on a regular basis. Even when you do, always apply a heat-protectant while doing so.

Use Color Safe & Sulfate-free shampoo

Acidic shampoos may strip the hair of its natural oils. Using a color-safe hair shampoo during the wash and a color-safe conditioner after washing helps restore moisture and shine by balancing the pH of the hair.

Hair is stripped of its natural moisture by sulfates, which can be identified on the bottle’s label as sodium lauryl sulfate (SLS). Dehydration causes the cuticles of the hair to rise, making it easier for hair color pigments to slither out of the hair shaft.

Sulfate-free organic shampoo designed for color-treated hairs can help keep the color from fading while cleaning the hair.

In a study published in 2009 researchers found that shampooing your hair makes your oxidative hair color fade.

Pro Tip: Using a blue depositing shampoo will assist to keep the color from fading too quickly. Leave the pigmented shampoo on your hair for just a few minutes at a time to avoid damaging and frizzy hair.

Use Cold Water

The blue color of your hair may be affected by a variety of factors, including your shower temperature. Don’t use warm water while washing or rinsing your hair. It doesn’t matter whether your hair has been dyed or not; hot water is damaging to it. This causes hair cuticles to open, enabling the blue color molecules to leak out; cold water helps seal the cuticles back up. Color-treated hair should be shampooed and conditioned in cold water at all times. Rinse your hair in the coldest water possible after conditioning it. Sealing the cuticle with this last rinse will give your hair a glossy finish.

Use Dry Shampoo

As a consequence of overwashing, even the best longest-lasting blue hair colors lose their color. Colored hair may benefit from the decreased washing frequency that comes with dry shampoo.

Dry shampoos for colored hair are available in blue colors, so you may choose one that matches your hair perfectly. In addition to absorbing excess oil from the roots, the dry shampoo also refreshes your hair. Your hair will seem cleaner if you remove the oils from it. A lot of dry shampoos include perfumes in them, which makes your hair smell clean and fresh.

Protect from Sun Damage

In contrast to the skin, hair is composed of dead cells. To put it another way, any change in hair color is not permanent and the hair cuticles will gradually release the blue pigments making it fade. Your hair’s blue color fades much faster as a result of exposure to the sun. If you don’t protect your color-treated hair from the sun, your vibrant blue color will not only fade but your hair will also get dry and damaged. Always apply sunscreen oil or spray on your hair or you can wear a hat to protect your vibrant blue hair from the color damaging sun.

Use Deep Conditioning Masks

Hydrating hair masks are excellent at preserving your blue hair color, in addition to being highly moisturizing.

Color-treated hair needs a deep conditioning hair mask to nourish, rejuvenate, and restore moisture. Organic nutrients and antioxidants in a moisturizing hair mask safeguard each strand from further deterioration. Depending on your hair kind, choose a hair mask that will enhance your blue colors’ longevity.

Check the article on The Best Colors You Should Dye Your Hair After Blue


What color does blue hair fade to?

In a month’s time, blue hair will turn to teal and gradually it will turn green. There are certain things that you can do to prolong this fading but eventually, you would need to touch up the blue color.

Does blue hair dye fade fast?

Yes, blue hair fades very fast due to the nature of the color. You will notice your hair’s blue vibrant color fade away with every single wash. For most people, by 60 days their blue hair fades into a greenish hue.

Is blue hair dye permanent?

No, blue hair dye is not permanent. When you color your hair blue, you are actually injecting large blue pigment molecules inside the hair cuticles. This makes your hair appear blue. With time your hair cuticles will open and these blue color pigments will escape (fading process).

How hard is it to maintain blue hair?

Blue hair is not at all hard to maintain as long as you know the dos and don’ts. With certain lifestyle changes, you can easily maintain your hair’s vibrant blue. You can try washing your hair less and when you do, you use cold water and sulfate-free, color-safe shampoos.

Does dark blue hair fade?

Yes, like any unnatural color, dark blue hair also fades with time. However dark blue color fades a bit slower and gradually turns to light blue before it eventually turns green. However, there are several things that you can do to prolong this color transition.

Can you be born with blue hair?

No, and yes. Blue is an unnatural color pigment and doesn’t humans cant be born with true blue hair. However, some humans are born with dark black hair with a blue hue. This blueish hint is only visible under strong light.

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