Henna tattoos can be given special characteristics by using additional materials or these techniques can be used alone without the underlying henna. Harquus is the name given to black facial ornamentation in some parts of North Africa and the Middle East. Indigo is a plant that has a natural dye in the leaveswhich dyes blue. Turmeric is a member of the Ginger and stains yellow. Gilding and glitter use a thick paste and a shimmering powder or body glitter to give a special look to the design.