Indigo (Indigofera tinctoria), a natural herb, is a species of plant from the bean family and is also known as true Indigo. Indigo hair dye is a natural way of colouring hair. You can make the hair as dark as you want without using any chemicals with indigo powder. BENEFITS Hides premature graying of hair. Flushes away dandruff & other scalp infections. Makes the hair look lustrous, thicker and smoother. How to use: After rinsing your hair, let them dry. Mix the Indigo Powder in warm water to prepare a paste. Apply on your hair, using gloves if applying with your hands, or a spatula. Leave on for 45 minutes, or more, depending on preferred intensity .For best result use henna and wash it off and then use indigo powder. Kerala Naturals provides 100% chemical free, natural Indigo Powder. Gives a natural and attractive indigo blue color to the hair. Mix with or use after Kerala Naturals henna powder for best results.