A good developer can help you get the color you are applying to be exactly as rich or as light as you want it to be so make sure to get the best developer suited to your hair coloring needs.
Prevents Hair from Damage During Coloring Specially formulated for use with permanent hair color product. Available in 3% (10 Volume), 6% (20 Volume), 9% (30 Volume), 12% (40 Volume). Direction:...