Colortech Gray Coverage Booster Additive 1.01oz

Gray-coverage additive (1.01 fl oz/30 ml dropper bottle) mixed directly into the permanent hair color. Its active ingredients penetrate the hair cortex to deliver maximum coverage on resistant gray hair and extend color longevity. Compatible with any brand of hair color; adds pigments that help define and prolong the result, working even on the most stubborn gray hair with more even, defined coloration.

Gray-coverage additive (1.01 fl oz/30 ml dropper bottle) mixed directly into the permanent hair color. Its active ingredients penetrate the hair cortex to deliver maximum coverage on resistant gray hair and extend color longevity. Compatible with any brand of hair color; adds pigments that help define and prolong the result, working even on the most stubborn gray hair with more even, defined coloration.