No one knows for sure when henna was first used for skin decorating, but traces of henna have been found on mummies in Egypt and on cave painting in India dating back thousands of years. While this tradition is still widely used in India, Africa, the Middle East, and Asia, it is now gaining popularity throughout the Western world as well. Rooted in the belief that those whose skin is adorned with henna are blessed with good fortune, henna is often...