Ayurvedic indigo dye that gives the hair a black tone, depending on the shade of the current hair colour. The product can be combined with Henna, which can result in a coppery brown colour. It gives body and shine to the hair. Indigo is indicated only for naturally dark hair. To dye light or grey hair, the area must be pre-pigmented first. 100% vegetable based. Suitable for vegans.