Deer musk is a substance with a persistent odor, obtained from a gland of the male musk deer situated in its back/rectal area. The substance has been extensively used as a perfume fixative, incense material, and medicine, since ancient times. It was and still is one of the most expensive animal products in the world. The name originates from the Persian word moshk meaning “deer’s navel”. Deer Musk obtained from Wild Deer of Kashmir.