Indigo powder is got by powdering the leaves of indigo plant whose botanical name is Indigofera Tinctoria. The leaves produce dark blue dye and when applied as a hair dye after using henna gives dark black colour. Indigo plant has wonderful medicinal uses and all parts of the plant is used medicinally. Though indigo is known mainly as a natural dye it has other amazing hair benefits too. Indigo is mainly used for stimulating hair growth and in the form of a pack for dyeing the hair. For dyeing it is applied after henna. Henna makes the hair reddish orange and indigo dyes the hair dark blue color and together they create a natural black color.