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Which developer you use will depend on the color you want to achieve. A 20 developer will give you a darker color than a 30 or 40 developer.
depends on if you are going lighter or darker from your original hair color. if lighter do a 20 if darker do a 10
10
To lift or make lighter you want to use, 30, and 40 Valium developer. To darker you use 10 and 20 Valium developer. Also to go lighter use a hair dryer. For darker room temperature. Colour should never be left in the hair longer then the time recommended, it over processes and the fades much fast.
No, it lifts your natural hair color by use of the developer. The higher the volume of the developer the more lift you will get in your hair.
You have to have a actuall hair color to mix with it. Use 2oz of the color and 4oz of the developer and mix. And apply to your hair
depends on if you are going lighter or darker. If darker use a 10 if lighter use a 20
What happens if you use to much hair developer to hair dye
When used alone, developer will do nothing to the hair. It is made to be mixed with a hair color.
NO! You need both the color or "gel" and the developer. What happens is when you mix the two together they oxidize which creates the color changein your hair. The color will not stay, or possibly evenchange colorwithout the developer.
Yes, the appropriate volume developer must be mixed with any Matrix color.
Yes a 40 developer will lift your hair color 4 times. It will lighten your hair. You will need to mix it with a color and follow the directions on the box or packaging.