ratio
Use a nonmetallic bowl or application bottle for mixing your ion dye and ion developer. Combine the hair dye and developer...
It varies with the model however the advisable mixing ratio of dye to Developer is 1-to-1 1-to15 or 1-to-2 for those...
Mixing Timing The blending ratio is 12. Of developer for a complete forumula combination of three oz. Pin By Waad On...
