16+ Natural Black Hair Dyed Blue US. A level 1 is a natural black + base like blue, red, green or violet so choose a level 2n/2.0 for a more natural black. This is that permanent hair dye that will serve you as you need to.
Feel free to use a good color remover for getting rid of leftover dyes from your hair.
I wanted to bleach it white and then dye it (light/bright) blue but my mum says that and please don't commment on how blue is an ugly colour on hair. The type of blue black hair dye you choose will depend largely on how committed you are to the new look. Do you have the plan to dye your tresses in blue black hair? Decide if you want a permanent.