http://www.tsa.gov/interweb/assetlib..._7_24_2003.pdf
Are the US rules so everywhere else will be less stringent.
Whats in the aerosol?
http://www.britishairways.com/travel...t/public/en_gb
Is what BA says.
Main thing is to make sure the cap stays firmly on if you check it so it cannot get squirted all over your suitcase. Similar for carry on. Do you want it hissing above your head as the bags slide in the overhead bins as you take off?