A moustache is a strip of facial hair that grows above the upper lip. It can vary in style, thickness, and length, and is often groomed to enhance a person's appearance. Moustaches have been worn by many cultures throughout history and can symbolize different things, such as masculinity or fashion. There are various styles of moustaches, including the handlebar, pencil, and horseshoe moustaches. Some famous figures known for their distinctive moustaches include Salvador Dalí and Tom Selleck. Moustaches can be a personal choice or part of a specific trend, and they often require regular maintenance to keep them looking neat.