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US 11,883,520 B2Granted
Leave-on oral care compositions
AssigneeThe Procter & Gamble Company
InventorsRoss Strand, Yang Su, Yunming Shi, Thanigaivel Shanmugam, Guannan Wang, Xiaoxiao Li
Life of this patent
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Abstract
Leave-on oral care compositions having good spreadability and improved retention property are provided for promoting Gum Health of a user. Said leave-on oral care compositions comprise a hyaluronic acid or a salt thereof, a polyacrylic acid as a mucoadhesive polymer and an additional polymer.
Claims16
An oral care composition comprising:
- a) from about 0.1% to about 10%, by weight of the composition, of a hyaluronic acid or a salt thereof, wherein the hyaluronic acid has a weight average molecular weight of from about 900,000 Daltons to about 2,000,000 Daltons;
- b) from about 0.5% to about 10%, by weight of the composition, of a polyacrylic acid;
- c) from about 0.5% to about 10%, by weight of the composition, of an additional polymer, wherein the additional polymer comprises polyvinyl pyrrolidine, hydroxyethyl cellulose, or combinations thereof, wherein the additional polymer does not include an anionic cellulose;
- d) from about 30% to about 70%, by weight of the composition, of total water content;
- and
- e) allantoin;
- wherein the oral care composition is substantially free of abrasives;
- and
- wherein the oral care composition is a leave-on composition.
6 more elements
Dependencies are inferred from the claim text.