Pack Smart (Separate the Items to Declare): As you prepare to come through customs, pack all items you will declare in an accessible part of your luggage
In either case, the resulting emissions are inhaled by the user
Talaat HS
Environmental pollutant Butts (cigarette residues: filters), also called fourth-hand tobacco, constitute an important source of environmental pollutant since they contain toxins that can leak into the soil and water (pesticides, nicotine, cotinine, tar, carcinogens, metals, ethyl -phenol, ethylene glycol, menthol and rare earth elements, constituting the so-called emerging pollutants [which are already recognized as a global phenomenon]) characterized by their slow degradation.3,15 To conclude, there is evidence that cigarette filters do more harm than good
11 Yet it is well known that the belief that e-cigarettes generate only a water vapour is certainly a misconception