when you want to get 2 levels of lift
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.
20 volume
No, you cannot make 20 volume developer using 30 volume developer. The concentration of the developer is fixed and cannot be altered by dilution. It is important to use the correct volume developer as specified in the instructions for the best results and to avoid damaging the hair.
A 20 volume developer will be sufficient for coloring facial hair, especially if there are some grays mixed in.
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.
It is not recommended to double the volume of developer to achieve the desired strength. Using a 10-volume developer when a 20-volume developer is needed can result in uneven hair color or ineffective processing. It is best to use the correct developer volume for the hair color you are using.
20 or 30 Volume developer is recommended for blonding.
Equal parts of 10V. Developer + 20V. Developer= 15 Volume Developer
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.
20 volume.
Which developer you use will depend on the color you want to achieve. A 20 developer will give you a darker color than a 30 or 40 developer.
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.