Bleaching over bleach isn t preferable so make sure your hair is in good condition first and be gentle with it.
Hair color developer levels.
From a scale of 1 to 10 1 arrows to black and 10 points to lightest blonde.
30 volume developer 30v 9 peroxide will lift the hair up to 3 levels higher and is commonly used with lightener.
A developer is the oxidizing agent which opens the hair cuticle so that the color can penetrate into our hair.
40 volume developer 40v 12 peroxide will lift the hair up to 4 levels.
On a scale of one to ten with 1 being black and 10 being palest blonde.
Your hair color level is determined by the darkness of your hair color not the tint.
If your hair is in good condition i would probably bleach them again with a low level developer or even try a soap cap shampoo bleach and developer to gently lighten them a bit more.
Usually each 3 of developer achieves lightening of 1 degree.
Hair developer levels refer to their oxidizing potential or how much hydrogen peroxide they have.
Haircolor levels and peroxide developer in any discussion of haircolor it is important to talk about color level and level refers to the lightness or darkness of a particular haircolor.
So if your exact color isn t represented choose the color that best matches the level of saturation in your color.
Most bleach and hair color formulas use developer at either 10 20 30 or in some cases 40.
40 volume is used for 3 4 levels of lift or high lift hair color series.
It is often used with lightener or high lift blondes.
Depending on the strength of the developer it can also lift the hair color level a bit.
This option is also good if you want to cover grey hairs.
No lift developer 10 volume developer 3 peroxide.
Choose concentration of developer according to how distinct you want to achieve hair lightening.
Hair developer level refers to its oxidizing potential.
The 10 volume developer is a standard oxidizing level for permanent no lift hair color.
Watch this video to learn about hair color levels.
Some high lift colors even require double 40v for extra lift.
The majority of hair color formulas work with a volume developer at level 10 20 30 or 40.
Volume 20 is the most popular developer level as it contains 6 hydrogen peroxide which is a moderate amount.
Demi permanent hair color is paired with 6 9 or 15 volume for toning with slight lift and is usually a special series.
Choose volume 20 developer to change your hair color by 1 to 2 shades.
If you want to keep your level of color use the 3 developer.