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Gray Coverage Formulation Guide

Shown below is a gray coverage formulation guide, based on the percentage of resistant gray hair.

Gray Coverage Formulation

 

Formulas for Resistant Gray

Gray Coverage Formulation

For Natural Brunettes up with 50% resistant gray desiring a medium golden brown result:

• 1 oz 5NN + 1 oz 5GN plus 2 oz 20-volume Clairol Professional developer

For Natural Blondes with up to 25% resistant gray hair desiring a warm golden blonde:

• 1 1/2 oz 7A + 2 oz 7NN + 2 oz 20-volume Clairol Professional developer

For those desiring a funky rich red on 50% gray hair:

• 1 oz 6NN plus 1 oz 4RR + 2 oz 20-volume Clairol Professional developer

 

Tips for Resistant Gray Coverage Success

Step 1

Mix equal parts liquicolor permanente with 20-volume Clairol Professional developer. 20-volume is the standard for gray coverage.

Step 2

Time for 45 minutes for maximum gray coverage.