20 volume
Equal parts of 5 volume developer + 15 volume will yield approximately 10 volume.
20 or 30 Volume developer is recommended for blonding.
To make 10 volume developer from 20 volume developer, you can mix equal parts of 20 volume developer and distilled water. For example, mix 1 part of 20 volume developer with 1 part distilled water to create 10 volume developer.
10 volume
20 volume.
No, 20 volume developer and 40 volume developer cannot be mixed to create 20 volume developer. Mixing them will result in a product with a higher volume developer concentration than either of the original solutions. It is not recommended to mix different volumes of developer as it can affect the outcome of your hair treatment.
To achieve a 30 volume developer solution, you can mix equal parts of a 20 volume developer and a 40 volume developer. This will result in a 30 volume developer solution.
To create a 14 volume developer from 10 volume and 20 volume developers, you can mix them in equal parts. Specifically, combine 1 part of 10 volume developer with 1 part of 20 volume developer. This will yield a 14 volume developer, as the mixture balances the strengths of the two developers.
For optimal gray coverage, a 20 Volume Developer should always be used.
Equal parts of 30 volume + 40 volume developers= 35 Volume Developer.
Redken Shades EQ should be mixed with Redken Shades EQ Processing Solution. This line does not require 30 volume developer.