Abstract: A liquid oral composition is disclosed which contains a cationic bactericide as the active ingredient and a hydroxypropyl methyl cellulose. The composition has satisfactory long-term stability and can be ejected from a container and easily applied to oral tissues. It can be kept adherent especially to the surfaces of teeth for a certain period.

Abstract: An oral composition comprising mutanase and, as surfactants, a N-acyl sarcosinate or a N-acyl-L-glutamate together with one or more of nonionic surfactants selected from the group consisting of polyoxyethylene sorbitol fatty acid ester, polyoxyethylene glycerin fatty acid ester, polyoxyethylene alkyl ether, polyoxyethylene lanolin derivative, polyoxyethylene nonyl phenyl formaldehyde condensate, polyoxyethylene-polyoxypropylene block copolymer, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene hydrogenated castor oil, polyoxyethylene castor oil and polyethylene glycol fatty acid ester.