Here's why: What is Henna? Henna is a plant-based dye that stains hair, skin, and nails. Unlike black or neutral henna, which contains chemicals, pure henna is free from artificial additives.

They rouged their lips and cheeks, stained their nails with henna, and lined their eyes and eyebrows heavily with kohl, a dark-colored powder made variously of crushed antimony, burnt almonds, lead, ...

and even nails. It has also been used for centuries to dye fabrics such as wool, leather, and silk. Henna leaves a permanent stain, unlike black or neutral henna, which contains chemicals and is ...