Cetylpyridinium
Cetylpyridinium is a quaternary ammonium with broad-spectrum antiseptic properties. Its salt form, cetylpyridinium chloride, is typically found as an active ingredient in mouthwashes, toothpastes, lozenges, throat sprays, breath sprays, and nasal sprays. In these products, it generally mediates an antiseptic activity and protective action against dental plaque and reducing gingivitis.