What is Henna? Henna is a little tree or shrub, specifically. Like beets or blueberries, the leaves contain a color that stains the skin. The dye molecule in henna is tiny enough to pass through multiple layers of skin. Because of this, the stains remain for a few weeks as opposed to a day for a blueberry stain to fade. Could henna be your savior? From the ancient Egyptians and Romans to...