Dried 'Black Henna' is the ultimate natural hair colourant and this product produces a black shine with just a slight reddish tinge. It can also be used as a natural colourant in DIY cosmetics.
Indigo tinctoria is a naturally green powder and turns to a darker indigo shade when mixed with warm water. Leave it to sit for at least 15 minutes and up to 30 minutes for full dye release before application.