LISTERINE(R) AGENT COOL BLUE(R) is a pre-brush rinse that tints teeth blue to help kids brush better for a cleaner, brighter smile. (Source: Johnson & Johnson Healthcare Products Division of McNEIL-PPC, Inc.) (PRNewsFoto/Johnson & Johnson Healthcare Products Division of McNEIL-PPC, Inc.) (Newscom TagID: prnphotos075533) [Photo via Newscom]