Unlike other animals, humans often shave their facial hair. When they leave it unshaven, they often style facial hair into moustaches, beards or sideburns.

In general, facial hair is thicker in men than in women. Many cultures seek to pretend that women have no facial hair. Excessive hairiness (especially facially) is known as hirsutism, and it can be a sign of serious hormone imbalance.

Topics in facial hair:

• Moustaches and beards
• Shaving, the Romans and Greeks
• Cutthroat and safety razors
• Electric shavers
• Women and facial hair: plucking, other depilation