Henna (also called mehndi, anella, or lalle) is a temporary “tattoo” and hair dye made from the henna plant (Lawsonia inermis). People in many cultures use it to create elaborate designs on the skin.

Henna, known botanically as Lawsonia inermis, is one of the main components of many commercial body and hair dyes. It’s one of the oldest plants used for this purpose. Henna leaves have also been used ...