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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 7NA
To colour Base Shade number 10 to a Goldwell number 7NA
use the following formula.
Natural Base Shade Number: 10
Formula 1
Mix one inch of Goldwell number 7NA
with a teaspoon of warm water
No Pre Bleach Required
Application:
Apply formula 1 from roots to ends in one application. Comb through and apply more formula 1 to assure complete penetration of the hair dye> Leave for 20 minutes> Do not wash off> then apply formula 2 over the top of formula 1 and leave for 40 minutes.
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