Yes, you can use 10 volume developer with Ion color brilliance. This is because 10 volume developer is a lower concentration of hydrogen peroxide, which means it will be less damaging to your hair. However, you should only use 10 volume developer if you are trying to lighten your hair by one or two shades. If you are trying to achieve a drastic change in hair color, you should use a higher concentration of hydrogen peroxide, such as 30 or 40 volume developer.