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20 Volume (or 6%) developer will lift hair 2 levels and 40 Volume (or 12%) will lift hair 4 levels.

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Q: What is the difference between 20 volume and 40 volume hair developer?
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What is the difference between 10 and 20 volume developer?

The difference between 10 and 20 volume developer is the strength or potency of the developer. 20 volume developer is stronger and lifts the hair color more effectively than 10 volume developer. The choice between them depends on the desired level of lift and hair color result.


What happens if you mix 20 volume creme developer with 30 volume creme developer?

Mixing a 20 volume creme developer with a 30 volume creme developer will result in an intermediate volume of developer, likely somewhere between 20 and 30 volumes. The resulting volume will depend on the specific ratios of the two developers that are mixed together. It is important to note that altering the volume of developer can affect the outcome of hair color or chemical treatments, so it is recommended to use the developer volume specified in the product instructions for best results.


What happens if you mix 1 oz of 20 volume and 1oz of 10 volume developer to hair color?

Mixing 1 oz of 20 volume developer with 1 oz of 10 volume developer results in an effective volume developer somewhere between 10 and 20 volumes. This blend may provide slightly more lift than a 10 volume developer alone but less lift than a 20 volume developer. It is important to consider the hair's condition and desired outcome before using this mixture.


What happens if you mix 20 volume creme developer with 40 creme developer?

Mixing equal parts of 20 V. and 40 V. developers will give you an approximate 30 volume developer.


What would happen if you mixed 20 and 30 volume creme developer?

Mixing 20 and 30 volume creme developer will create an unknown volume of developer that falls between 20 and 30. This mixture may alter the expected results when used with hair color products, potentially resulting in unpredictable color outcomes or hair damage. It is generally recommended to use the developer volume specified by the hair color product for the best results.


I have cream peroxide developer 10 but the hair color i have calls for creme peroxide developer 20 can i double developer 10 and it work like developer 20?

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.


What does 30 volume do for hair color?

30 volume developer will lighten the hair three levels.


Can you use a 30 developer with a toner FOR HAIR?

20 Volume developer should be used when toning hair.


Can you make 20 volume developer with 40 volume developer?

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.


Can you lighten your hair with a 30 volume developer alone?

No you need the powdered bleach with the developer.


What happens if you mix 10 volume creme developer with 20 volume creme developer?

Equal parts of 10V. Developer + 20V. Developer= 15 Volume Developer


Can you use 20 volume creme developer alone on hair?

When used alone, developer will do nothing to the hair. It is made to be mixed with a hair color.