Some military services allow fighter pilots to have beards, do they have better sealing masks than el cheapoo airline?
Some military outfits allow beards if the individual has a facial skin condition.
Next ting you know QF will require blokes to have a Brazilian, and require an inspection prior to assuming duty.
To be serious, FAA circular.
http://www.faa.gov/fdocumentLibrary/.../AC120-43.pdf/