Can you dye hair that's already dyed?

Generally, it's best to wait four to seven weeks before re-dyeing your hair so that you don't damage it, but you can try to dye it earlier if you really hate your current dye-job. If you're re-dyeing just to have a change, wait at least four weeks to apply the new color.
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How can I dye my already dyed hair a different color?

A bleach wash combines bleach, developer with shampoo which you massage through your hair, leave in for 10-15 minutes, to achieve a lighter base colour. It is best to rest your hair for 48 hours and you can then recolour and achieve a lighter colour outcome.
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Can you dye your hair if its box dyed?

The truth is that boxed dyes are formulated differently from salon dyes, making it difficult — or sometimes straight up impossible — to have your hair professionally dyed if you've been grabbing boxes off store shelves for as long as you can remember.
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How soon after dying Can I dye again?

"Experts advise waiting at least 2 weeks (technically 15 days) before dyeing it again. However, this is the minimum amount of time and, in some cases, you may need to extend that period to 4 weeks.
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Can hair salons remove box dye?

If you're looking to get rid of hair color, the safest way is to contact a professional at a salon. A colorist may use bleach or sulfur-based hair stripping products to lighten your hair back so that it can be re-dyed. They can also assess your hair for damage and recommend the best treatment option.
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Hair Color How to: Coloring Previously Colored Hair | Vidal Sassoon



Can I put permanent dye over permanent dye?

You cannot just easily color over a previous color without having problems occur. However, it's much easier to color from a lighter color to a darker one. Say if you have light brown hair and you want to go to a dark brown. That situation would actually not cause much problem.
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Can you dye a lighter color over a darker color?

In order to apply a lighter dye, you would need to first remove the current dye by using a color remover kit, or by doing a bleach bath on the hair. Once you've removed the darker dye, you can apply a lighter dye.
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Can you lighten already dyed hair?

To lighten previously-colored hair, we recommend you do one of two options. The first option is to use a strong lifter—treatments that have a volume of ingredients like ammonia, peroxide, bleach, or alternative chemicals that clear the hair molecules of color.
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How soon can I recolor my hair if I don't like the color?

What is this? Trichologists (hair scientists) recommend waiting at least 2 weeks – but technically 15 days – before you re-dye your hair if it's already damaged. This is especially true if you've used permanent hair color or a high-volume developer (30 or 40 volume).
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Can I bleach box dyed hair?

Can I lighten my box dyed hair? Not on the first go. It will take many times depending on the condition and strength and how much we can push your hair. Colour will not lift colour so bleach is really the only option.
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How do I make my dark dyed hair lighter?

Here are some options that you can consider, if so.
  1. Use a Clarifying or Lightening Shampoo to Bleed the Color Out. For very mild cases, washing with a clarifying shampoo a few times will usually fade it to a nice color. ...
  2. Use Baking Soda. ...
  3. Use a Color/Dye Remover. ...
  4. Use Bleach Shampoo. ...
  5. Other Solutions.
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Can I use 2 boxes of hair dye?

Buy two boxes of hair dye

If your hair is past your shoulders, or shoulder-length and extremely coarse, use two boxes of the same shade to ensure full coverage. Just make sure to mix the dyes in a glass or plastic bowl — a metal one will oxidize the dye and cause it to change color.
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What happens if you put blonde hair dye over dark brown?

If you apply blonde hair dye on dark hair, you will never reach a blond hair colour. You will however damage your hair from the chemicals in hair dye and risk ending up with dry, brassy, straw-like hair. If you have dark hair and you want to go blonde, you'll have to bleach it.
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Is permanent hair dye more damaging than semi-permanent?

If you only want to dye it once and let it fade, semi-permanent dye will be the least damaging while offering lasting color. Permanent hair dye is more damaging right away, but it lasts much longer.
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Can u put dye over dye?

Protecting Your Hair When Re-Dyeing. Wait at least two weeks before applying another color. Applying dye again too soon after coloring your hair can cause extensive damage and breakage. Additionally, you will have no way to predict how the color will look, since you're dyeing over an existing dye-job.
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Is it better to dye your hair wet or dry?

“If the hair is dry, all the color can soak easily into the strands and not wash off or out in the first shampoo.” That said, if you want a more subtle color to your hair, coloring your hair while it is wet isn't a bad idea. It will just result in a sheer or more transparent appearance of the color.
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Why does hair dye sometimes not work?

If you're wondering why your hair is not retaining color, it could be that you washed your hair too soon. No, you should not shampoo before coloring. Your hair should not be grimy either, but a little dirty is okay. You want the color to latch on to the strands, so the color lasts a long time.
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Can you go from dark brown to light brown?

When going from dark brown hair to light brown hair, you'll want to take your skin's undertones into consideration. Choosing a hair color that complements your skin tone is much better than picking out a random hue you find appealing.
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How can I lighten my dark dyed hair without bleach?

Apple cider vinegar or distilled white vinegar are easy and cheap options for lightening your hair. Rinse your hair in vinegar and then rinse it again in cold water to lift color and revitalize dull strands. Top with a gloss or conditioner to seal in moisture—this is crucial if you've had a bleach mishap before.
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How can I lighten my dark dyed hair naturally?

Bad Color Job? 6 Ways to Naturally Lighten Dyed Hair
  1. Vitamin C. The citric acid in vitamin C can help lighten hair. ...
  2. Lemon juice. Another simple and practical way to lighten your locks is by using lemon juice. ...
  3. Chamomile Tea. ...
  4. Cinnamon. ...
  5. Sea Salt. ...
  6. Honey.
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What happens if you bleach dyed hair?

Bleach removes the previous color from your hair follicles. Typically, bleach is used to remove hair color before applying a new hair color; where the new color applies multiple tones to your hair to make it look natural. When using bleach to turn your hair blonde, the results will make your hair color look unnatural.
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Will bleach remove permanent hair dye?

A weak bleach wash made from 10 or 20 vol developer should work well on any staining and help remove more of the permanent dye. Leave it for up to 30 minutes when applied and repeat every few weeks if required.
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