Hair Color And Developer. Developer is a solution of hydrogen peroxide, water, and other ingredients like conditioning agents. It is the hydrogen peroxide in this solution that creates an oxidative environment when combined with permanent hair dye, allowing the dye to work. This oxidation is necessary for the color to develop, and causes it to gradually change into the. Begin by pouring your desired amount of hair color into a bowl.
Once mixed together, apply the hair color to your hair using either a brush or gloves, depending on your preference. Make sure to evenly distribute the color throughout. When mixed with bleach powder, 20 volume developer will lighten virgin hair by about 5 levels. (follow this link to learn more about hair colour levels). 30 volume developer is used for lifting out colour. Its main use is in bleaching and it can lighten around 7 levels depending on the bleach powder used. To make highlights in your hair, you will need around 25 to 50g of hair color depending on your hair length, as well as the same amount of developer. Once you prepare the mixture, you can go in and color only those sections of hair you want to change. To color your entire hair, you will need anywhere from 50 to 100g of hair color and the same.