Elemensis Naturals indigo powder is a natural dye which is very famous now days for colouring hair black. Many people know it as black indigo, but it gives a blue dye. When used with natural indigo powder It gives a dark brown to shiny black colour generally it gives a blue dye even though it looks just like indigo. It is also used to dye clothes and get a denim blue colour in botanical language it is known as indogofera tinctoria. The indigo powder is made using the leaves of indigo plant.