Musk is a substance obtained from male deer and has a penetrating, persistent fragrance. It is utilized in the very best grades of perfumes due to its strong fragrance, it’s the ability to stay conspicuous for long periods of your time, and also due to the fact that it acts as a fixative. The quality of musk varies with the season as well as the age of the animal from which it is derived.  In India and parts of the far-east, aphrodisiac, stimulant, and antispasmodic effects are attributed to musk.