Masks serve various purposes, including:

1. *Protection*: Prevent the spread of diseases, infections, and pollutants.
2. *Disguise*: Conceal one's identity or appearance.
3. *Safety*: Protect from hazardous materials, chemicals, or environmental hazards.
4. *Beauty*: Used in skincare and beauty treatments (e.g., face masks).
5. *Creative expression*: Used in art, theater, and performance.
6. *Cultural significance*: Hold cultural, spiritual, or religious meaning (e.g., tribal masks).
7. *Occupational*: Used in various professions (e.g., surgical masks, gas masks).
8. *Sports*: Used in sports like wrestling, hockey, and lacrosse.
9. *Fashion*: Used as a fashion statement or accessory.