How is henna made?
Henna
prepared from the plant Lawsonia inermis
Henna (Arabic: حِنَّاء‎) also known as Mehndi (Hindi: मेंहदी) is a dye prepared from the plant Lawsonia inermis, also known as hina, the henna tree, the mignonette tree, and the Egyptian privet,[1] the sole species of the genus Lawsonia.