Others believe that Henna was introduced to India in the 12th century. It's been used for at least 5000 years as a cosmetic and for it's natural healing properties. There's also documentation that henna was used in ancient Egypt to stain the fingers and toes of the Pharaohs prior to mummification. Like all symbols, the varying designs often mean different things to different cultures. It's thus possible to recognize distinctions in cultural style.
Arabic designs are generally large, floral patterns on the hands and feet.
Africans have been known to apply a paste of ashes, ammonia compounds, and other corrosives to get the henna stain from orange to black.