Hair Color Developer 20 Vs 30

30 volume developer 30v 9 peroxide will lift the hair up to 3 levels higher and is commonly used with lightener.

Hair color developer 20 vs 30.

But if your hair is a very dark brown that looks almost close to black you would use a 30 or maybe even a 40 if. You could upgrade to volume 30 to change your color 3 to 4 shades but keep in mind it can damage thin or fine hair. For slightly bigger changes in hair color opt for volume 20 developer which will change your color by 1 to 2 shades. 30 volume 9 developer.

Mixing ratio is usually 1 1 1 1 5 or 1 2 for an extra strong lightening effect. Choose a 30 volume developer when you want a developer that is stronger for a lighter and deeper color. Works similarly to a volume 20 developer except it lifts a hair starting color by 2 3 levels and works best when a desired color is not more than 2 levels lighter than the existing hair shade. 20 volume developer 20v 6 peroxide is the most commonly used.

Activation hair. Benefits of hair developer. The 30 volume developer also works like 20 volume but it will lighten the hair s original color by two to three and is more efficient when the desired color is no more than two levels lighter than the original color. For light colored hair such as light brown to a normal dark brown you can use a 20.

First off it is optimal for covering grey hair.