Qatar Airways flight attendants must follow strict appearance rules — here's the list of dos and don'ts.

Style specialist Kristine Odejar is demonstrating makeup techniques during training.Mark Adam Miller/Business InsiderQatar Airways enforces strict appearance standards for its cabin crew.Western airlines historically imposed appearance norms, but have shifted away from many rules.Qatar's grooming rules call for makeup training, specific hairstyles, and men covering bald spots.Flight attendants — particularly women — were subject to strict appearance standards throughout the beginning