Ive bought loreal professional paris choc colour and a 3% vol how much do i mix?

my hair is sholder lengh with highlights not sure on how much to mix together how much of the tubed colour ?and how much of the 3% vol please ?

Ive bought loreal professional paris choc colour and a 3% vol how much do i mix?

???

wut are you using?

it should say right on it

most are 1pt color 2pt developer

i would use a 20vol developer for your hair....