Are you planning to dye your beautiful red hair black?
But first, let’s answer the main question. Can you put black hair dye over red hair dye?
Answer
Yes, you can apply black dye over red hair without bleaching. Black is the darkest shade, so it can cover red hair.
- You do not need to bleach red hair to go black.
- Red pigment can help the black look rich and helps prevent dull, muddy fading later.
- Do a strand test first, especially if your red is very bright.
The result will depend on two things. The black shade you choose and the type of red dye already on your hair.
How to Dye Red Hair Black
Most people only need one safe method. Direct application. A second option is for troubleshooting if your red is very bright and you want a cooler, “jet black” finish.
Method #1: Direct Application
Black dye will cover red hair. In strong sunlight, you might still see a warm shine through the black. That can look like a soft auburn or warm black glow.
If you like that warmer finish, you can apply black dye directly over red hair. Follow the instructions on the box. Do a strand test first so you know what to expect.
Warning
- Do not bleach to go darker. Bleaching adds damage and is not needed for black dye.
- Never dye over henna or metallic salt dyes. This can cause a severe chemical reaction and breakage.
- Always do a strand test and a patch test before full application.
- If your hair is already fragile, consider a professional colorist.
Method #2: With Color Removal (No Bleach)
If you want a cooler black with as little warm red shine as possible, remove some of the red pigment first. This is a “nice to have,” not a must for most people.
If you used a semi-permanent red dye, you can often wait for it to fade with regular washing.
You can help semi-permanent color fade faster by washing more often with a stronger cleanser. These options can help:
- Clarifying shampoo
- Anti-dandruff shampoo
- Warm water rinses, with conditioner after
- A sulfur-based hair color remover kit
If you used a permanent red dye, the color sits deeper in the hair shaft, so it can be more fade-resistant. That is not because of ammonia “changing your structure” in a special way. It is because permanent dye is designed to last.
Even then, you still do not need to bleach to go black. If you want the coolest result, use a sulfur-based color remover first, then apply your black dye.
Also, if you want a softer dark step instead of true black, brown can be a great option. Here is a guide on the best color to dye over red hair.
Things to Know Before Dyeing Hair Black
Here are a few essentials to help you get a bold, clean black result.
Black dye comes in different shades.
In stores, you will see many blacks, like soft black, natural black, blue-black, and violet-black.
Simple guide:
- If you want a natural look: choose natural black or soft black.
- If you want a cooler finish: choose blue-black or ash black.
- If you want warmth to show a little in sunlight: choose a neutral or violet black.
Once you go black, there’s no turning back.
Black is the darkest shade. If you later want to go lighter, you will usually need a color remover and sometimes bleach. That is why a strand test matters.
If you have light natural hair, black hair is high maintenance.
Hair grows about half an inch each month. If your natural hair is light, your roots can show fast. Many people touch up every 4 to 6 weeks for a clean look.
If your natural hair is already dark, upkeep is usually easier.
So, Can I Put Black Hair Dye Over Red Hair Dye?
Yes, you can.
For most people, the best method is simple. Apply black dye over red hair, then maintain it well.
If you want a cooler jet black with less warm shine, do not bleach. Use a sulfur-based color remover first, then apply your black dye.
Frequently Asked Questions
Here are some advantages of dyeing hair black:
– It can make hair look fuller.
– It can look glossy when well conditioned.
– It can help blend uneven tones.
Here are some disadvantages of dyeing hair black:
– Root regrowth can look sharp, especially on light natural hair.
– It can stain skin, towels, and pillowcases if you are not careful.
– Black dye is hard to remove if you change your mind later.
A reputable permanent or demi-permanent black dye is usually best for coverage. Avoid henna and metallic salt dyes. They can build up on the hair and may react badly with other chemicals later. Always do a strand test first.
Related Topics