How to Lighten Hair
Step 3: Choose your Developer
Select the Developer you need to Lighten your Hair by following our guide.
The first number of each Developer indicates how many Shades it will Lighten your Hair.
20 Volume Developer
Lightens Hair 2 Shades
30 Volume Developer
Lightens Hair 3 Shades
40 Volume Developer
Lightens Hair 4 Shades
To find your Developer use our formula:
Your goal Colour Number (from Step 1)
(minus)
Your Natural Colour Number (from Step 2)
=
The number of Shades you need to Lighten your Hair.
For Example:
Your goal Colour is 5 Light Brown
(minus)
Your Natural Colour of 3 Dark Brown
=
You need to Lighten your Hair Colour 2 Shades.
Use a 20 Volume Developer to reach your desired Colour.
For Example:
Your goal Colour is 8.2 Light Beige Blonde
(minus)
Your Natural Colour of 5 Light Brown
=
You need to Lighten your Hair Colour 3 Shades.
Use a 30 Volume Developer to reach your desired Colour.
For Example:
Your goal Colour is 10.2 Very Light Beige Blonde
(minus)
Your Natural Colour of 6 Dark Blonde
=
You need to Lighten your Hair Colour 4 Shades.
Use a 40 Volume Developer to reach your desired Colour.