Henna is a known, old, and natural coloring, of vegetable origin, used for eyebrows, eyelashes, dyeing hair, and in many cultures, it is used in the art of body painting. It comes from the leaves and stems of Lawsonia alba a plant that grows in Africa and Asia.

Henna is especially valued in cosmetics, due to very rare allergic reactions that may occur during its use. Moreover, it is worth remembering that the cleaner and less harmful product that can be easily found in pharmacies should appear in the form of a green or brown powder. Be sure to avoid black henna, as it contains strong coloring substances, sometimes even toxic