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.
Equal parts of 10 & 30 V. developer will yield 20 v.
2.6 oz of 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
i have the loreal technique preference permanent haircolor "natural black #3" and i dont know how much of 20 volume creme to mix it with.
Whipping cream doubles in volume when whipped. Therefore, one cup of whipping cream will produce two cups of whipped cream.
How much what is 150 grams of heavy cream - cost, density, volume - - -
Redken Shades EQ should be mixed with Redken Shades EQ Processing Solution. This line does not require 30 volume developer.
Use equal parts of color and developer. For 2 ounces of color, mix 2 ounces of developer unless otherwise stated in the manufacturer's directions.
It is unknown as far as how much a Java developer makes, but it is most likely a lot of money. A good developer can make around 6 figures a year.
A land developer can make hundreds of thousands of dollars. They may even make millions of dollars depending on the deals and their individual skill.