Electronic cigarette liquid (e-liquid) comprised of vegetable glycerin, propylene glycol, natural and artificial flavoring, and optional nicotine; electronic cigarette liquid (e-liquid) comprised of flavorings in liquid form, other than essential oils, used to refill electronic cigarettes, oral vaporizers for smokers, and electronic cigarette cartridges; flavoring solutions in liquid form, other than essential oils, used to refill oral vaporizers for smokers; flavoring solutions in liquid for...