Does green hair dye cancel out red? Green is definitely the best color to cancel out red hair.
Because it’s the opposite of red, green neutralizes it. Green is also a cooling shade, so applying it on top of red tones will either tone down or completely get rid of their warmth.
How do you change your hair from red to green?
What color does red and green make on hair? Also be aware that mixing two complimentary colours such as red and green will produce brown.
What hair color will cover red? Green Toning Shampoo
The green tones within the shampoo help to counteract the red dye on your strands. Here is how to neutralize red tones with green shampoo: Dampen your hair and apply the green shampoo all over – if needed, part your hair into 4 or more sections to make the application process easier.