For nicotine users aiming to reduce their risk as much as possible, pouches, gum, and lozenges are among the safest options
Transcribed by Otter AI Initial editing by Michael G

Lithium battery powered portable medical devices with installed batteries Gaseous (not liquid) oxygen or air cylinders required for medical use Personal security, grooming, toiletries, aerosols Prohibited Disabling devices containing an irritant or incapacitating substance, such as pepper spray Electric shock weapons containing dangerous goods such as explosives, compressed gas or lithium batteries Allowed Hair curlers containing hydrocarbon gas, with safety cover securely fitted over the heating element, up to one per person, no gas refills allowed Medicinal or toiletry articles, including aerosols and those containing alcohol (see quantities below) Aerosols for home or sporting use, provided they are non-flammable, non-toxic and accidental release of the contents is prevented by a cap (see quantities below) Quantities - medicinal, toiletries and aerosols The combined net quantity of all medicinal articles, toiletries and aerosols must not exceed 2kg (4.4lb) or 2L (2qt), and the net quantity of each single article must not exceed 0.5kg (1lb) or 0.5L (1pt) Approval required Contact us about these items before you book

N Engl J Med 354 (3), 241 (2006)
2-Methylbutyl butanoate constituted around 19% and 8% in watermelon (EG) and strawberry (EM) flavored hookah tobacco products, respectively