Liquid nicotine solutions for use in electronic cigarettes; vaporizing devices for tobacco or tobacco substitutes; battery-powered, disposable and reusable vaporizing devices in the nature of electronic cigarettes and smokeless vaporizing pens; battery-powered, disposable and reusable vaporizing devices in the nature of electronic cigarettes and smokeless vaporizing pens sold filled; devices for heating tobacco or tobacco substitutes for the purpose of inhalation; disposable and reusable vaporizing pens sold filled with flavorings in liquid form; disposable and reusable cartridges filled with vaporizable nicotine for use with battery-powered, vaporizing units in the nature of electronic cigarettes and smokeless cigarette vaporizing pens; smokeless vaporizer pens; disposable and reusable oral vaporizers for smoking purposes; electronic cigarette liquid (e-liquid) comprised of flavorings in liquid form, other than essential oils, used to refill electronic cigarette cartridges; flavorings for tobacco or tobacco substitutes, other than essential oils; flavorings, other than essential oils, for use in electronic cigarettes; liquid nicotine solutions for use in electronic cigarettes; tobacco substitutes; tobacco-derived nicotine; synthetic nicotine; nicotine substitutes