no, manufacturers instrustions tells you not to
To make a 40-volume developer, you would mix equal parts of 20-volume (6%) hydrogen peroxide cream developer with another equal part of 20-volume (6%) hydrogen peroxide cream developer. This will give you a total volume of 40 (12%).
Yes, cream peroxide is developer.
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
Does peroxide cream developer ever go bad? I have used the same one for over 3 years.
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.
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.
Cream developer alone will not lighten your black hair. You will need to use a bleach or lightener with the cream developer to lighten it.
Cream peroxide developer is used by hairstylists. It helps to lighten the hair so that a brighter shade of dye can hold better. The number 30 refers to the level of intensity.
30 Volume Cream Developer is generally used for high-lift color, blonding, and bleaching.
The amount of cream peroxide needed to color white hair depends on the specific hair dye being used and the desired level of color lift or deposit. It is typically recommended to follow the instructions provided with the hair dye product, as they will specify the ratio of cream peroxide to hair dye for optimal results.
Mixing 10 volume cream developer with 40 volume cream developer could result in an unpredictable reaction, potentially altering the intended chemical properties of the developer. This could affect the color result and the effectiveness of the hair color product. It is best to use the developer recommended by the hair color product manufacturer for optimal results.
Every company has a different quantity of peroxide that they mix with their colours. You will need to find that out.