Facial hair comprises different types of hair that grow on the face of a human being, mainly in men. However, due to the evolution of fashion trends, facial hair has become a popular trend among women as well. There are numerous synonyms for facial hair, including stubble, whiskers, beard, mustache, goatee, and sideburns. Stubble refers to short and rough hair, while whiskers are fine hair that grows on cheeks and chin. Beards are one of the most common facial hair styles among men, and a mustache is a type of facial hair that only grows above the upper lip. A goatee refers to a small patch of hair that grows below the lower lip, and sideburns are hair that grows on the cheeks and jawline.