Can I dye my hair twice in one day with semi-permanent?

violet and pink over bleached hair

  • You shouldn’t dye your hair twice in one day with semi-permanent hair color. Otherwise, you’ll saturate your hair with pigments. Then, you’ll stain everything that contacts your hair every time you wash it.
  • Also, your hair will be heavy and dull. The dye may not deposit evenly.
  • What you should do to dye your hair again with a semi-permanent hair dye is wash it with clarifying shampoo. Then, wait at least two days between sessions.


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I think it’s time to debunk some myths.

For example, “you can play with semi-permanent hair dyes like watercolors.”

 No. You can’t play with semi-permanent hair dyes by coloring your hair twice in one day. 

Even though they’re gentler than permanent dyes, the color settles on the hair and lasts for a few washes.


semi permanent dye in bowl

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So, three things will happen if you dye your hair twice a day with semi-permanent. I can assure you that none of them will be pleasant.


Let’s see another example.

Imagine that you put on make-up in the morning. Then, in the evening, you have a party.

After showering, you look in the mirror because it’s time to put on make-up again.

But you discover that some of the make-up you put on in the morning is still there. What do you do?


Do you put make-up on again, or do you remove the make-up you applied in the morning?


I’m sure you’d cleanse your skin with micellar water before reapplying make-up.

If you do that for your skin, why not do the same for your hair?


Your hair is just as fragile and delicate as your skin, and it needs care. That’s why you can’t dye it twice in one day, even if you use semi-permanent hair color.

So, if you don’t like your hair color and YouTube videos want to convince you that nothing bad will happen, take my advice.

Don’t dye your hair twice in one day. But there is something you can do.

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Wash your hair with a clarifying shampoo to remove the unwanted color. Then, wait 24-48 hours to apply the new semi-permanent color

clarifying shampoo to wash hair

It’s all about how semi-permanent hair color works.

Its pigments adhere to the outer layer of the hair to cover it from root to tip and lock in the color.

As it only adheres to the outer layer, the color fades with washes. How long does it take to fade?


It all depends on the quality of the pigments in the dye brand you choose and how often you wash your hair.

For example, Manic Panic lasts about 16 washes on the darker colors, while L’Oreal Colorista lasts 4 washes.

Of course, other brands last much longer, such as Splat, which fades after 30 washes.

So, what happens if you apply semi-permanent hair color twice in one day?


Additional color pigments will adhere to each strand. And this will be disastrous.

Your hair saturated with color pigments will look dull and dizzy. It’ll feel heavy with build-up. Worst of all, you’ll leave stains on everything that comes in contact with your hair.

I recommend that you remove the first dye. Then, allow at least 48 hours between sessions. And I’ll talk about those steps below.


How and how often can you dye your hair semi-permanent to change colors?

coloring over uneven hair to match it

How? By stripping the dye you want to fade with a clarifying shampoo.



 At least 48 hours after removing the first dye with the clarifying shampoo. 

Yes, don’t frown. You need to be patient and respect the times if you want to show off a new color on healthy hair.


So, you need to remove or fade the first color as much as possible.

How can you do it without damaging your hair?


With a clarifying shampoo that is specially designed to remove residue deposits from the hair. Remember that it’ll also remove the color deposited by the semi-permanent hair dye.

Applying a clarifying shampoo is very simple:

  • Wet your hair and apply the clarifying shampoo from roots to ends. Massage thoroughly.
  • Leave it on for 20 minutes or 30 minutes if you applied a very dark color.
  • Rinse and nourish with conditioner.


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You’ll notice that the clarifying shampoo removed the dye. Can you apply the semi-permanent dye you want?

No, not yet. You have to let your hair rest for at least 24 hours. Better yet, 48 hours.



You can’t dye your hair twice in one day with semi-permanent or permanent hair dye.

Even if semi-permanent hair dye won’t damage your hair irreversibly, it’ll saturate it with pigments. It’ll be dull and coarse.

Also, color stains may appear after two sessions in a row.


Instead, wash your hair with a clarifying shampoo to remove the color you don’t like. Then, apply the new color after 48 hours.

When it comes to hair coloring, there are no shortcuts.

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