Will Vitamin C Remove Permanent Hair Dye?

Co-authored by Ambia Elms

Last Updated: September 26, 2023

The long-lasting nature of permanent hair dye can be a blessing—but it’s a bit of a curse if you want it gone! Using Vitamin C is a popular “color removal” strategy nowadays, but it’s not the most mainstream, so you might be wondering whether it even works. Whether you don’t want to leave the house with that dye job, or just want a cheaper way to get rid of your old hair color, we’ve answered your most common questions on using Vitamin C to remove your old hair dye.

Question 1 of 10:

Can Vitamin C remove permanent hair dye?

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It’s true that Vitamin C can strip color from your hair, but it’s fairly weak, so you’re probably going to have quite a bit of color left behind. Permanent hair dye is also designed to last a long time, so it's tricky to remove in the first place. While Vitamin C might get some permanent hair dye out, it’s almost always more effective on semi- or demi-permanent hair colors, which don’t “cling” to your hair as much. ^{[1]
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Question 2 of 10:

Will Vitamin C lighten permanent hair dye?

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There are two types of people in the world: those who swear Vitamin C gave them the perfect shade, and those who say it was useless. Both can be right. Vitamin C's bleaching properties are pretty mild to begin with, permanent hair dye is among some of the hardest to remove, and your hair type plays a role here, too. ^{[2]
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Go to source} It's one of those methods where multiple people could try it and all get different results. ^{[3]
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Question 3 of 10:

Is it safe to use Vitamin C on hair?

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It may or may not be safe—there’s no scientific research on it. There aren’t any studies specifically looking at how Vitamin C affects hair. Anecdotally, some people only report slight dryness after using Vitamin C on their hair, but other people have experienced significant hair damage. ^{[4]
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Research source} If your hair is already dry or damaged, or if you’ve used harsh treatments on it (like bleach or relaxers), you might want to try something else.
- Skip the Vitamin C if you have sensitive skin. It’s possible to have skin reactions to Vitamin C, like itching, redness, or soreness. ^{[5]
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  PubMed Central
  Journal archive from the U.S. National Institutes of Health
  Go to source} If it gets on your face, hands, or scalp, it could be pretty uncomfortable.

Question 4 of 10:

How does Vitamin C remove hair dye?

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There's some speculation among hair-dyeing circles that the oxidation process of Vitamin C causes the dye to break down. But since there hasn't yet been a formal study on it, that's really just guesswork. ^{[6]
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Question 5 of 10:

How can I lighten my hair with Vitamin C?

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Mix Vitamin C with shampoo and let it sit in your hair. Blend a Vitamin C powder into some of your shampoo, using a 2:1 ratio of shampoo to Vitamin C. Use warm water to get your hair wet (but not dripping), and then apply the Vitamin C shampoo into your hair, working it into a lather like you’re shampooing normally. Afterward, pull on a shower cap and let it sit for a while before rinsing it out. ^{[7]
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- There’s commercial Vitamin C powder available, but you can also use a tool or blender to break down one or two Vitamin C tablets into a powder. ^{[8]
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- Use white Vitamin C tablets or powder. Orange powder isn’t going to give you carrot-colored hair, but it’s not clear whether it’ll leave behind a tint.

Question 6 of 10:

How long should I leave the Vitamin C in my hair?

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Lighter or less-permanent colors usually respond to Vitamin C faster, so you can start on the shorter end if you’re worried about the results. ^{[9]
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Research source} For darker or more stubborn dyes, though, it needs longer to strip away the color: between 30 minutes to 1 hour. ^{[10]
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Research source} Don’t leave the mixture in your hair for more than an hour—it could irritate your scalp.

Question 7 of 10:

Can I leave Vitamin C in my hair overnight?

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While leaving Vitamin C in your hair overnight might not ruin it, Vitamin C is fairly drying, so an overnight treatment could leave you with roughed-up or fragile hair. ^{[11]
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Research source} And if it sinks into your scalp, you could wake up with a dry, irritated, or painful scalp. ^{[12]
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PubMed Central
Journal archive from the U.S. National Institutes of Health
Go to source} Rinse it out after an hour at most—don't go to sleep with it on.

Question 8 of 10:

Should I do anything special after I wash out the Vitamin C?

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While it’s not totally clear if Vitamin C is safe for your hair, many people report their hair feeling a bit dry after using the treatment. Plus, some types of shampoo can rough up your hair if you leave them in for a long time. After you’ve washed out the Vitamin C, deep-conditioning your hair or using a hair mask will restore some moisture. ^{[13]
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Question 9 of 10:

How many times do I need to use the Vitamin C treatment?

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Since Vitamin C lightens hair dye rather than completely removing it, you might need to use it more than once. Everyone’s hair and hair color is different, though—meaning there’s no set amount of times it’ll take. Some people get the perfect color after one use, and others need many, many tries. ^{[14]
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Question 10 of 10:

How can I remove permanent dye if Vitamin C didn’t work?

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In general, permanent hair dye is always going to be harder to get rid of than temporary colors. But if the Vitamin C isn't giving you any results at all, or your hair is badly damaged, it's time to see a professional hairdresser. They may be able to suggest alternatives, and can help you safely remove the dye without ruining your hair. ^{[15]
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Will Vitamin C Remove Permanent Hair Dye?

Steps

Can Vitamin C remove permanent hair dye?

Will Vitamin C lighten permanent hair dye?

Is it safe to use Vitamin C on hair?

How does Vitamin C remove hair dye?

How can I lighten my hair with Vitamin C?

How long should I leave the Vitamin C in my hair?

Can I leave Vitamin C in my hair overnight?

Should I do anything special after I wash out the Vitamin C?

How many times do I need to use the Vitamin C treatment?

How can I remove permanent dye if Vitamin C didn’t work?

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