10 volume is if you want to go dark with color but with bleach 10 vol gives you one level of lift but if it seems slow to you use 20 volume, never use 30 vol or 40 vol on scalp it will irritate it.
Equal parts of 5 volume developer + 15 volume will yield approximately 10 volume.
Equal parts of 10V. Developer + 20V. Developer= 15 Volume Developer
you can't mix developer with developer to make another developer
10 volume developer is used to deposit hair color. if you have a lighter color and want to go darker you should used the volume 10.
Yes, combining ''equal parts'' of 30 V. and 10 V. developers will make 20 V. developer.
What is the difference between 10 and 20 volume creme developer?
Equal parts of 5 volume developer + 15 volume will yield approximately 10 volume.
Equal parts of 10V. Developer + 20V. Developer= 15 Volume Developer
Mixing 10 Volume developer and 40 volume developer will never make a 20 volume regardless of how much is mixed. In order to make a 20 volume, equal parts of 10 and 30 volumes will need to be mixed. Mixing 10 and 40 will make 30 volume.
you can't mix developer with developer to make another developer
10 volume developer is used to deposit hair color. if you have a lighter color and want to go darker you should used the volume 10.
20 volume
Equal parts of 10 & 30 V. developer will yield 20 v.
Yes. 10 vol developer is 25% peroxide.
Yes, combining ''equal parts'' of 30 V. and 10 V. developers will make 20 V. developer.
10 volume
Yes, if mixed equally, a 10V + 30V= 20 Volume developer.