Mehndi applied on both hands; front view

Mehndi applied on the back of both hands

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Video of mehndi application

Mehndi or mehendi is a form of body art from Ancient India, in which decorative designs are created on a person's body, using a paste, created from the powdered dry leaves of the henna plant (Lawsonia inermis). Ancient in origin, mehndi is still a popular form of body art among the women of the Indian Subcontinent, Africa and the Middle East.

Mehndi is derived from the Sanskrit word mendhik?. The use of mehndi and turmeric is described in the earliest Hindu Vedic ritual books. It was originally used for only women's palms and sometimes for men, but as time progressed, it was more common for men to wear it. Haldi (staining oneself with turmeric paste) as well as mehndi are Vedic customs, intended to be a symbolic representation of the outer and the inner sun. Vedic customs are centered on the idea of "awakening the inner light". Traditional Indian designs are representations of the sun on the palm, which, in this context, is intended to represent the hands and feet.

There are many variations including Arabic, Indian and Pakistani designs. Women usually apply mehndi designs to their hands and feet, though some, including cancer patients and women with alopecia occasionally decorate their scalps.^[4] The standard color of henna is brown, but other design colors such as white and gold are sometimes employed.^[4]

While there is some controversy over the origins of the use of henna leaf powder as a dying agent, the earliest clear evidence of henna powder application on the body appears in Egyptian mummies whose hair and nails were stained with the reddish brown tones of henna. Botanists believe the henna plant, Lawsonia inermis, originated in Egypt and was carried regularly to India where it was used since at least 700 AD for decorating hands and feet. Historically henna has also been used for medicinal purposes, to dye cloth and leather as well as hair, to color the manes of horses and the fur of other animals.

Practiced mainly in the Indian Subcontinent, mehndi is the application of a temporary form of skin decoration, popularized in the West by Indian cinema and the entertainment industry, the people in Nepal, Bangladesh and the Maldives also use mehndi. Mehndi decorations became fashionable in the West in the late 1990s, where they are called henna tattoos.

Mehndi in Indian tradition is typically applied during special Hindu weddings and Hindu festivals like Karva Chauth, Vat Purnima, Diwali, Bhai Dooj and Teej. In Hindu festivals, many women have Henna applied to their hands and feet and sometimes on the back of their shoulders too, as men have it applied on their arms, legs, back, and chest. For women, it is usually drawn on the palm, back of the hand and on feet, where the design will be clearest due to contrast with the lighter skin on these surfaces, which naturally contain less of the pigment melanin. Some Muslims in the Indian subcontinent also apply Mehndi during festivals such as Eid-ul-Fitr and Eid-ul-Adha.

In the modern age and even due to limited supply of Indian Traditional Mehndi artists, usually people buy ready-made Henna cones, which are ready to use and make painting easy. However, in rural areas in India, women grind fresh henna leaves on grinding stones with added oil, which though not as refined as professionally prepared henna cones, achieves much darker colors.

The term henna tattoo is figurative, because true tattoos are permanent surgical insertions of pigments into the skin, as opposed to pigments resting on the surface as is the case with mehndi.

Alta, Alata, or Mahur is a red dye used similarly to henna to paint the feet of the brides in some regions of India, for instance in Bengal.

Likely due to the desire for a "tattoo-black" appearance, some people add the synthetic dye p-Phenylenediamine (PPD) to henna to give it a black colour. PPD may cause severe allergic reactions and was voted Allergen of the Year in 2006 by the American Contact Dermatitis Society.