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An elderly Bengali man in Dhaka with a beard dyed in henna. Henna is a reddish dye prepared from the dried and powdered leaves of the henna tree. [1] It has been used since at least the ancient Egyptian period as a hair and body dye, notably in the temporary body art of mehndi (or "henna tattoo") resulting from the staining of the skin using dyes from the henna plant.
Lawsonia inermis, also known as hina, the henna tree, the mignonette tree, and the Egyptian privet, [4] is a flowering plant and one of the only two species of the genus Lawsonia, with the other being Lawsonia odorata. It is used as a traditional medicinal plant. [5]
Lawsone (2-hydroxy-1,4-naphthoquinone), also known as hennotannic acid, is a red-orange dye present in the leaves of the henna plant (Lawsonia inermis), for which it is named, as well as in the common walnut (Juglans regia) [5] and water hyacinth (Pontederia crassipes). [6]
The majority of natural dyes are vegetable dyes from plant sources—roots, berries, bark, leaves, and wood—and other biological sources such as fungi. [1] Archaeologists have found evidence of textile dyeing dating back to the Neolithic period. In China, dyeing with plants, barks and insects has been traced back more than 5,000 years. [2]
Mehndi (pronunciation ⓘ) is a form of temporary skin decoration using a paste created with henna. In the West, mehndi is commonly known as henna tattoo, although it is not a permanent tattoo. [1] Mehndi is a popular form of body art in South Asia and resembles similar traditions of henna as body art found in North Africa, East Africa and the ...
In India, it is used to produce a powder for treating hair-related diseases which is known as “neutral henna”. Whereas, in some parts of the world, this species (along with Cassia senna ) is cultivated for the leaves which yield the drug senna, known commonly as Senna glycoside , which in turn is the base for a laxative .
Additionally, henna is an important part of Somali culture. It is worn by Somali women on their hands, arms, feet and neck during weddings, Eid, Ramadan, and other festive occasions. Somali henna designs are similar to other horn of Africans, often featuring flower motifs and triangular shapes.
Themiste hennahi is a species of unsegmented benthic marine worm in the phylum Sipuncula, the peanut worms.It is native to shallow waters on the Pacific coast of North and South America.