Best for grey and resistant hair, indigo is powder from the leaves of a plant, which produces a natural dark blue dye perfect for darker hair tones. The following colors can be achieved using both indigo and henna.
Reddish brown 75% henna and 25% indigo
Brown tones 50% henna and 50% indigo
Dark Chocolate Brown tones 75% indigo and 25% henna
Black tones 100% henna first and then 100% indigo
The indigo is double packaged to retain freshness.