Question: what are henna made up of?
Answer: Henna (Mehndi) is a dye prepared from the plant Lawsonia inermis, also known as the henna tree, the mignonette tree, and the Egyptian privet, the sole species of the genus Lawsonia. Henna can also refer to the temporary body art resulting from the staining of the skin from the dyes (see also mehndi).