If you want to color your natural or dyed red hair brown, you should always choose a brunette tone which is at least one level darker than your current color. In other words: if you have cherry-red hair, you will not be able to achieve much with a medium-brown color. But go for a dark brown, and you can cover the red.
What happens if I dye over red hair?
You can't simply apply a new shade of hair dye over the red and hope it will work, because most of the time it won't. Hair that has been dyed can't be lightened effectively with more hair dye, and the hair dye itself won't neutralize the red tone either if it's the wrong shade.9 May 2021
Can I dye over faded red hair?
The fading red hair needs to be stripped of THAT color (i.e. bleached up, which equals damage) to then dye it blue. However — if you wish to avoid damage — there are tricks to getting it closer to what you want, with less damage. But you cannot just slap one color over another and hope it'll come out okay!
How can I get rid of dyed red hair?
- TRY A HAIR COLOR REMOVER. Contrary to popular belief, once you commit to a red hair color, you're not necessarily stuck with it until it fades.
- GRAB A HAIR BLEACH KIT.
- GO DARKER.
- REACH FOR A GREEN SHAMPOO.
- LET THE COLOR NATURALLY FADE.
What color dye cancels out red?
On the color wheel, green and red are opposite each other. Therefore, green (i.e., the opposite color) is effective at canceling out red tones.4 Jan 2022