By the same token so should halitosis and BO but it's never going to happen. What are we going to do - have 1 in 5 passengers, as they crawl through security at a snail's pace, subjected to sniffer dog checks to detect evidence of recent flatulence? (Maybe that's what dogs are doing when they 'greet' each other). "Someone on my flight was wearing aftershave" has to go into the first world problems thread!