Question: are aerosol deodorants allowed on planes?
Answer: You might use an aerosol form of deodorant, hairspray, shaving cream, hair mousse, perfume, sunscreen, or any number of other toiletries. ... So in general, TSA does allow aerosols in carry on luggage, but the containers must be 3.4 ounces (100ml) or smaller and fit into your liquids bag.