Feel the magic of deep black hair! With khadi Natural Hair Color Black, you can create a rich, expressive black without blue tint. khadi Black is best suited for medium blond to dark hair. Then you get a shiny, warm black to an intense raven black. You have lighter or gray hair? Then pre-pigment with khadi Color Prep to get a perfect color result. More product Information. The natural hair color contains effective ingredients such as Indigo, Henna and Amla. The natural color dyes your hair intensely and dark. Like a color glaze, the plant pigments lie around each individual hair and nurture it. You feel the resilience and the volume in your hair. They shine healthy and shimmer in a natural black. khadi Black is 100% natural and vegan - without synthetic additives such as ammonia, peroxides or azo colors.