As we've noted before, Jonty Barnes told the press at Gamescom that Bungie heard the call for Guardian facial hair loud and clear from the community. Gamespot brought a few of these quotes together for a new article. Although a time table sounds indefinite, he says:
So we at least have that to look forward to at the End of Time! Thanks Jester GS!...I'm pretty sure by the end of time there will be plenty of beards in Destiny."