How long does blue or purple hair dye last? Tips to protect the color

electric with manic panic

Are you thinking of turning your life upside down and dyeing your hair blue or purple?


Before becoming part of the clan of mermaids that now walk the streets of the world, let me warn you of something.

These colors will not stay in your hair forever.

If you hair is dyed blue or purple with semi-permanent dye the color will last for six to eight washes. Therefore, how often you wash is very important.

It’s also crucial the quality of products that you use.


Now if your hair is dyed permanently, the color will last about a month and a half or until you decide to dye it another color.

Of course, in that month and a half, your roots will grow, so you should retouch them, because your blue hair will look horrible with brown roots. Don’t you think?


How is it that I know all of this?

Because I love personal colors in hair.

 It’s been about three years since I’ve experimented with blues, pinks, violets, and greens. I even dyed my hair blue with green ends. 

And making this decision, believe me, is not easy because dyeing your hair these colors implies long hours in the hair salon.


That is something that I didn’t know when I decided to dye my hair blue. I thought that I was just going to get to the salon and after two hours, walk out with my blue transformation.

But the truth is that instead of two hours, it was six. And instead of spending 150 dollars, which is what it had cost me to dye my hair a “normal” color, my blue adventure cost 400 dollars.

semi-permanent dye lasts up to 8 washes

It’s just that for the blue to take in my hair, I had to first bleach my dark brown hair. After which, I did an Olaplex treatment to finally deposit the permanent, blue dye.

Imagine, after spending a small fortune for which I cried for about two months, I was more than ready to do everything possible for that color to last as long as possible in my hair.

Was it difficult to make the blue last longer?


The truth is no, but you should know exactly what I did so that the rivers of blue color don’t flood your bath tub every time that you shower.

And it is very important to keep in mind all the things that can influence if the purple or blue dye lasts longer.


For this small adventure, keep reading, because I will tell you:

  • What factors can keep your blue or purple dyes from lasting
  • How to care for these colors and what products to use.


Are you ready to challenge the laws of durability for fantasy dyes?


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What factors will make the color last more or less time in your hair

color lasts up to eight months

Now that you have the color you’ve always wanted in your hair, it’s time to know how to care for your hair so it doesn’t evaporate away like magic.

Even if you don’t follow these commandments, the wrath of God won’t fall on you, it could mark the difference if your hair is blue for three days or for two months. The decision, as usual, is yours.


  • Wash your hair less

To prevent the blue and purple dye from fading quickly, the first thing you have to do is space out your washing sessions.

Yes, I know, you feel like a mermaid with that color in you hair, but in this case, believe me, it is best to keep your feet on the ground.

If you can, wash your hair every three or four days. Does that seem like too much time?


Use dry shampoo!

These are our first allies to prevent fantasy dyes from fading, because you don’t need to wet your hair to clean it.

But it offers you numerous benefits like keeping the color vibrant, giving it shine and smoothness and preventing your hair from getting greasy.


  • Select your products properly

Forget your normal shampoo. Now, your hair is blue, not brown. And that hasn’t gone unnoticed by the hair care industry.

That’s why they have designed shampoos and conditioners specifically for hair dyed with these colors.

Products that contain blue or purple molecules that revitalize the color pigments.


  • Don’t dye your hair blue if you are going to spend a few days at the beach

I know that summer is the moment that we all feel free to do crazy things. But believe me, chlorine, salt water, and sun will tear your blue hair to pieces.

Those are the worst enemies for these types of dyes.


In addition to running the risk that the color will fade quickly, you will notice that your hair will slowly turn green, as if you were an Incredible Hulk replica. And definitely, that is not what you are looking for.


So, you have two options. Or wait until summer passes or before you go into the sea or the pool, cover your hair in conditioner. You can also use a solar filter for your hair.

And keep a bottle of ketchup on hand. No, I´m not crazy!

Do you remember in art class when we studied the color wheel?


On that wheel, green is opposite red.

That’s why, if you notice that your hair starts to have green highlights, distribute a bit of ketchup on your locks, let it sit for fifteen minutes and rinse. Red will neutralize the gree, and the blue will stay for longer.


  • Rinse your hair with cold water

I know you aren’t the Snow Queen, but believe me its better to suffer through the goosebumps than to see your color disappear from your hair.

Cold water is able to close the cuticles of your hair, capturing the pigments of the dye.

Be brave, girl! And put up with the last three minutes of rinsing under the cold stream of water.


To here, I’ve told you everything that I’ve learned to do in these last years to extend the life of blue dye in my hair.

Thank God these products exist that also help your color last longer.

Don’t furrow your row! Some of them are very accessible.


What products to use to care for the blue or purple color in your hair

make it last longer

  • Choose shampoos and conditioners with blue or purple pigments


Check purple shampoo and conditioner price on Amazon


Every time I wash my hair, remember to do it every three or four days, I use a conditioner that has a purple pigment to refresh my color.

It stains your hands a bit, but don’t worry.

I let it sit while I finish soaping my body, and finally, I rinse my hair with cold water!


While the conditioner for dyed hair is excellent, it only slows the fading process. It doesn’t stop it completely, just like these types of products.

Are you going to one of your best friends’ house in the country with a pool?


  • Keep a thermal hair protector on hand

Remember that the sun rays and the chlorine can wreak havoc on your blue hair.

Don’t forget to keep a thermal hair protector or a solar protector for hair in your bag to swim circles around your friends in the pool.


I use this one.

Frezyderm Color Protect Spray for dyed hair.

What I like the most is that it doesn’t leave my hair greasy and I can enjoy life outdoors without complexities.



I love having blue hair.

I didn’t just change my look, but I took advantage of an opportunity to try styles that normally I would never have tried. Now, I love going on Pinterest and looking at styles that look good with my color.

I knew that when I decided to dye my hair blue, I would be an audacious move, almost, almost a declaration of principles.

Now you know how you can make the same declaration of principles but making your blue dye last longer in your hair.


Do you know other tricks so that your blue, purple, violet or other colored hair lasts longer?

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