Pilots are not universally required to shave their faces, but facial hair must comply with specific safety regulations, particularly concerning the use of oxygen masks. Here's why:

Facial Hair and Oxygen Masks

• Pilots must be able to use oxygen masks effectively in emergencies, such as cabin depressurization or smoke in the cockpit.

• Regulations: Masks must form a proper seal to function correctly. Excessive facial hair, like a full beard, can prevent this seal, compromising safety.

Airline Policies

• Most airlines allow well-groomed facial hair, such as mustaches or neatly trimmed beards, provided it does not interfere with mask sealing.

• Some airlines may enforce stricter grooming policies to ensure safety compliance.

Military and Special Operations

• Military pilots and some other aviation roles often have stricter grooming standards. Clean-shaven faces are usually mandatory to ensure compatibility with oxygen masks or other equipment.

Practical Consideration

If you're pursuing your CPL, it’s a good idea to keep facial hair well-maintained, especially if you'll be undergoing medical assessments or simulator training where mask use is required.