Animalic notes in perfumery refer to a group of fragrance ingredients that evoke the primal, raw scents associated with animals. These can include musk, ambergris, civet, castoreum, and leather, among others. Musk, originally derived from the glandular secretions of the musk deer, is now mostly synthetically produced and offers a warm, deep base note that gives a fragrance longevity and substance. Ambergris, sourced from the digestive system of sperm whales and also largely replaced by synthetic alternatives, has a unique marine, sweet, and earthy scent that adds layers of complexity to fragrances. Civet, obtained from the African civet cat, imparts a strong, musky, and sometimes sharp aroma that is prized for its intensity and persistence. Castoreum, derived from the secretions of beavers, lends a rich, leathery, and smoky character to scents. These animalic ingredients are valued in perfumery for their ability to provide depth, warmth, and a touch of sensuality or mystery to a scent composition. They tend to be used sparingly because of their intense nature, but when balanced correctly, they contribute significantly to the richness and persistence of high-quality fragrances. The use of real animal-derived materials has diminished due to ethical concerns, with synthetic counterparts often used to achieve similar sensory profiles.