VATIKA HENNA HAIR COL NAT BROWN Now you can exchange grey for glossy and glamorous color. Vatika Henna Hair Colour, with added Walnut is a natural based solution to coloring your hair. And as a great herbal conditioner, henna will strengthen hair and add vitality too. So no worries about damaging your hair as you gently coax the color back.Throughout India, the middle east and Europe, henna has always been the natural way to help color hair. It’s only natural that it will help you look sensational too.