Compositions for a foaming oral cleaner and related methods and products are disclosed. In one such method, a foaming oral cleaner may be dispensed onto a cleaning surface of a tongue cleaning device in a manner to foam the foaming oral cleaner. A surface of the tongue may be brushed using a tongue brush of the tongue cleaning device, thereby applying the foaming oral cleaner to the surface of the tongue. The brushing of the surface of the tongue can dislodge and loosen material on the surface of the tongue. The surface of the tongue can be scraped using a tongue scraper of the tongue cleaning device to scrape dislodged and loosened material from the surface of the tongue. The foaming oral cleaner may be a composition comprising water, a foaming agent, a sweetener, a flavoring agent, an antimicrobial agent comprising a biologically active enzyme, a preservative, and a coloring agent.