LISTERINE® is an American brand of oral hygiene solution developed by chemist Joseph Lawrence in 1879 in St. Louis, Missouri. The brand name is named after Dr. Joseph Lister, the English surgeon that pioneered antiseptic surgical methods, leading to more patients surviving than ever before. Since its launch, LISTERINE® has been subjected to research and clinical trials by different experts and is now recognized for effectively helping prevent plaque deposition and gingival inflammation.