Wella Color Charm Demi Permanent Haircolor helps to refresh faded color and adds new richness or fashion tones to existing haircolor. This long-lasting color is vibrant and ammonia-free and will leave hair silky soft and brilliantly bright. IDEAL FOR: COVERING FIRST GRAYS, TONING HIGHLIGHTS, CREATING LOWLIGHTS, GLAZING TO ADD COLOR SHINE, REFRESHING FADED HAIR COLOR WITHOUT ADDITIONAL LIFT OR AMMONIA, GRAY BLENDING ON HAIR THAT IS UP TO 50% GRAY. QUICK COLOR SERVICES TO PROCESS IN 20 MINUTES OR LESS.