It doesn't matter on your age, it should boil down to your skill and certification.
For 1 part hair color and 2 parts developer, you should mix them in a 1:2 ratio. This means using twice as much developer as hair color. Ensure you measure accurately and mix well for best results in coloring your hair.
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.
yes
No, diluting a 30 vol hair developer with water will not change the volume strength of the developer. To make a 20 vol developer, you would need to mix the 30 vol developer with a neutralizing solution or a lower volume developer.
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.
To create a 30 volume developer solution with a 40 and 30 volume developer, you can mix equal parts of each developer together. For example, mix 1 part 40 volume developer with 1 part 30 volume developer. This will result in a 35 volume developer solution, which is close to 30 volume. It is important to perform a strand test before using the mixed developer on your hair to ensure it is the desired strength.
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
2/13
The singer John Lennon, formerly part of Beatles was shot outside of his house in 1980 at the age of 40.
It depends on the ratio either 1:1 or 1:2 .Mix one part color to 2 parts developer if it's 1:2 or one part color and 1 part developer if it's 1:1. Most dye comes in kits and you mix the whole thing. If not it's best to follow the directions on the packaging or bottle.
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%).
Not part of the standard C-library, so you have to contact its developer.