Botanical Name - Lawsoina Inermis Common Name - Heena Other Name - Mehndi/ Henna Leaves Part Used - Dried Leaves Uses - Dye Skin , Hair Henna dye is prepared from the plant lawsonia inermis also known as the henna tree or mehndi. Henna has been used since antiquity to dye skin, hair, fingers, as well as including silk wool and leather. The leaf of the henna plant contains a finite amount of lawsone molecule. Colors of henna leaves depend on quality of henna leaves and also metal, oil, other ingredients. By adding mordant like chrome, ferrous, and alum shade are different. Henna powder give a dark colour with ferrous. The dry powder is mixed with one of a number of liquid, including water, lemon juice, strong tea, and other ingredients, depending on your end use.