It will probably lift to orange. Try using bleach instead.
Equal parts of 10V. Developer + 20V. Developer= 15 Volume Developer
20 or 30 Volume developer is recommended for blonding.
Equal parts of 30V + 40V= 35V.
Mixing equal parts of 20 V. and 40 V. developers will give you an approximate 30 volume developer.
Mixing equal parts of 20 V. and 40 V. developers will give you an approximate 30 volume developer.
Quick question how long do you let it sit there before doing the dye?
If mixed equally, you will get 30 Volume.
Developer is used with professional color to adjust level of color desired. For example, black hair could be described as level 1, adding blonde highlights would require a 40 volume developer to lift the color of your hair 4 shade levels.
Mixing 10 and 20 volume developers in equal amounts will yield a 15 volume developer.
Equal parts of 30 volume + 40 volume developers= 35 Volume Developer.
Equal parts of 5 volume developer + 15 volume will yield approximately 10 volume.
Redken Camo Color Developer is 20 volume.