The Best How To Mix Wella Hair Color With Developer 2023. In other words, while combining the two items, you should use the same amount of each. How much you mix will depend on how much hair you have to color.

You can also mix your demi permanent hair colour with 10 vol, which is also a gentle option but. I am at your disposal to help you with. If you want to highlight or lowlight your hair, section your hair and.



