Then, does Ion color brilliance need developer?
Pretty much any unnatural coloour, including ion brilliance colours do NOT need developer. Seriously, don't use it. It won't work. Just use it straight from the tube.
Secondly, is Ion a good hair dye? Great product for the price. it leaves my hair soft and shiny after each color And the color stays great for a while. Great product for the price. it leaves my hair soft and shiny after each color And the color stays great for a while.
Beside this, does Ion color brilliance work on dark hair?
of Ion® Color Brilliance ™ True Tones for Dark Hair with 3 oz. of Ion® Sensitive Scalp Developer 30 volume.
How long can you leave Ion color brilliance in your hair?
2 hours