What does 1 part to 2 parts mean in hair color?
Color & Developer Ratio Depending on how much you need, that could mean you combine 2 ounces of color with two ounces of developer (2 ounces is the standard ...
Color & Developer Ratio Depending on how much you need, that could mean you combine 2 ounces of color with two ounces of developer (2 ounces is the standard ...
