A fast-dissolving film to be placed in the oral cavity of a person includes nicotine, or nicotine analog, with or without menthol, or menthol analog, that can be absorbed through the oral mucosa directly into the person's bloodstream for the purpose of reducing a temporary craving for nicotine during periods when smoking is not possible, or for therapeutic purposes, the film being thin and made from a low-moisture, non-tacky material that becomes dissolved when hydrated and that is sized so that the substrate can be placed in oral cavities of persons. From 0.1 mg to 10 mg nicotine, or a nicotine analog, and, optionally, menthol, or a menthol analog, are added to the substrate, which is then packaged in a flat, sealed container that can be unobtrusively placed into a pocket carried by the smoker, thereby making the container readily accessible to the smoker. During a period of nicotine craving encountered by the smoker when smoking is not possible, the film is removed from the container and placed into the smoker's oral cavity so that it contacts a mucosal membrane in the oral cavity of the smoker to thereby hydrate the substrate. The nicotine is thereby liberated from the film so that it can enter the smoker's bloodstream via the mucosal membrane to thereby temporarily satisfy the smoker's nicotine craving.