A great way to achieve bold, dramatic results on previously colored or darker hair is to do a “color cleanse” prior to coloring. By lightening the base color you set the perfect base for a dramatic blue black final tone.
2oz AGEbeautiful Crème Lightener
2oz 20-volume AGEbeautiful developer (1:1 mixing ratio)
2oz AGEbeautiful 3B Demi Permanent Haircolor
2oz Demi AGEbeautiful developer (1:1 mixing ratio)
These arctic blue blacks work well on all hair types, but will be even more brilliant when applied to lighter browns, previously lightened hair and/or hair that has a good population of grays.