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To make a 20 volume developer using 10 volume and 30 volume, mix equal parts of each (1 part 10 volume and 1 part 30 volume). This creates a balanced solution that averages out to approximately 20 volume. Alternatively, if you have 10 volume and 40 volume, mix 2 parts of 10 volume with 1 part of 40 volume to achieve the same result. Adjust the ratios to maintain the average desired volume if using different combinations.

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1mo ago

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Related Questions

How can I use 10 vol. and 20 vol. developer to make 15 vol.?

Mix equal parts of the 10 vol. and 20 vol. developer to create a 15 vol. developer solution. This will give you a balanced formula that combines the properties of both developers to achieve the desired volume strength.


Does low volume developer dilute high level developer?

Yes. 10 vol developer is 25% peroxide.


What is the difference between 10 and 20 volume 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.


What two volumes of developer can you mix to make 10 volume developer?

Equal parts of 5 volume developer + 15 volume will yield approximately 10 volume.


Can you make 10 volume developer out of 20?

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.


How much 10 volume cream developer do you mix with 40 volume cream developer to make 20 volume?

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.


Can you make 10 vol peroxide from 20 vol?

No, you cannot make 10 vol peroxide from 20 vol peroxide. It is not possible to reduce the concentration of a substance by mixing it with a higher concentration of the same substance.


How much 10 volume cream developer do you mix with 20 volume to make 30 volume?

Equal parts of 10 & 30 V. developer will yield 20 v.


How much 10 volume cream developer do you mix with 30 volume to make 20 volume?

Equal parts of 10 & 30 V. developer will yield 20 v.


Can you make 30 volume developer out of 40 volume?

No, you cannot make 30 volume developer out of 40 volume developer. You would need to dilute the 40 volume developer with either distilled water or a lower volume developer to achieve the desired 30 volume strength.


Can you make 20 volume developer using 30 volume developer instead?

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.


How much 10 volume cream developer do you mix with 20 volume cream developer to make 30 volume?

It won't make it 30. The way developer works is 10 is no lift deposit only and makes hair semi permanent. 20 is 7-10 shades of lift with deposit and makes hair colour permanent. You have to buy 30 volume developer from a sallys beauty supply but 30 is very dangerous for the hair it can damage it severly I recommend sticking to just 20 volume