Herbal Hills Mehandi powder. Mehandi or Henna powder is also known as Lawsonia inermis which is synergistically processed with highly advanced technology. Herbalhills is India's largest online selling brand in pure herb powders. Herbalhills products are made out of best quality and authentic Ayurvedic herbs, available in India. These herbs are specially selected and manually graded to give best products. The quality and efficacy is 100% guaranteed. Please look out for our wide range of other pure herb powders. Herbalhills Mehandi powder can be used for local application as a natural hair colour and conditioner.