Oral care composition as well as preparation method and application thereof

The invention provides an oral care composition as well as a preparation method and application thereof, and relates to the technical field of oral care. The composition comprises hyaluronic acid or a salt thereof, sodium alginate and a divalent metal salt. The composition provided by the invention has excellent shear stability, and can still maintain membrane integrity and excellent adhesion after being washed by water flow and soaked in saliva in the use process. 本发明提供了一种口腔护理组合物及其制备方法和应用，涉及口腔护理技术领域。该组合物包括：透明质酸或其盐、海藻酸钠和二价金属盐。本申请提供的组合物具有优异的剪切稳定性，且在使用过程中经水流冲洗和唾液浸泡后仍能够保持膜完整性和优异的粘附性。