Wildlife of China "ciwei" or the "thorned creature". Porcupines are rodents and hedgehogs belong to a separate order. Three species of Old World porcupine are found in China: the Asiatic brush-tailed porcupine, Indian crested porcupine, and Malayan porcupine. Many parts of the porcupine including the brain, organs, fat, quills and even the feces can be used to make traditional Chinese medicine. Porcupines are raised on farms. In the early 20th century, the Eurasian beaver was hunted to near extinction for its fur and castoreum, a scent gland secretion used to make perfume and medicine. Though the global population has rebounded, the animal remains
Perfume ""Nez"" (French for "nose") due to their fine sense of smell and skill in smell composition. The composition of a perfume typically begins with a "brief" by the perfumer's employer or an outside customer. The customers to the perfumer or their employers, are typically fashion houses or large corporations of various industries. The perfumer will then go through the process of blending multiple perfume mixtures and sell the formulation to the customer, often with modifications of the composition of the perfume. The perfume composition will then be either used to enhance another product as a "functional fragrance" (shampoos, make-up, detergents,