Natural Base Shade
Number: 5
Formula 1
Mix 2 teaspoons of powder bleach with 25 ml's of 6% hydrogen peroxide for 4 shades lift.
Pre-Bleach to a
Natural Base No: 9
Formula 2
Mix a quarter tube of Igora Royal number 9-42
with 17.5 ml's of warm water
Formula 3
Mix a quarter tube of Igora Royal number 9-42
with 17.5 ml's of 6% hydrogen peroxide
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 Igora Royal 9-42
To colour Base Shade number 5 to Igora Royal number 9-42
use the following formula's
Application
To begin pre lighten the Natural Base 5 four shades to a base 9 using formula 1 then washout the bleach and apply formula 2 with a sponge pressing the Igora Royal number 9-42 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.
Before colouring pre bleached hair we recommend
you watch the pre pigment video below.