Herbatint Herbal Hair Color Permanent Gel 6N Dark Blonde is a permanent hair coloring with a natural herbal base and no ammonia. This Permanent Gel is part of the Natural Series and gently colors your hair while keeping its natural color balance. This gel has the ability to cover your gray hair naturally. You can select a shade close to your natural hair color, but you can also lighten or darken while perfectly covering your gray hair. Herbatint Herbal Hair Color Permanent Gel is easy to apply and gentle on your hair.