FORMULA
This formula is created with sustainability in mind. The volumes suggested are enough for a successful result on a test strip. For actual whole head and root applications you would use the same formulas but increase the amounts to the manufacturers recommendations.
Target Shade Goldwell 9GN
To colour Base Shade number 3 to a Goldwell number 9GN
use the following formulas.
Natural Base Shade Number: 3
Formula 1
Mix 2 teaspoons of powder bleach with 25 ml's of 9% hydrogen peroxide. 4 applications for six shades lift.
Pre-Bleach to a
Natural Base 9
Application:
To begin pre lighten the Natural Base 3 six shades to a base 9 using formula 1 then washout the bleach and apply formula 2 with a sponge pressing the Goldwell 9GN. into the hair shaft (please watch the video). Leave for twenty minutes to pigmentate. Mix Formula 3 (Do not shampoo out formula 2) Apply Formula 3 over the top of Formula 2. and leave to activate for forty minutes. Shampoo and blow dry.