The following is copied from a longer article here. This is all that referred to the moustaches. Who cares about the rest, right?
“Tombstone has, hands down, the most handsome and manicured group of mustaches I have ever seen assembled in a film. What was the atmosphere like in the mustache-grooming trailer, and were you ever a little disappointed that your mustache didn’t carry as much flair as some of the other guys? Or were they just trying to overcompensate for something else?