PROBLEM TO BE SOLVED: To provide a composition for oral cavities having a high tartar formation-suppressive effect with good feeling in use.SOLUTION: A composition for oral cavities is characterized by comprising: (A) a cyclopeptide compound and (B) an amphoteric surfactant and/or (C) a water-soluble condensed phosphate.COPYRIGHT: (C)2013,JPO&INPIT【課題】高い歯石形成抑制効果を奏する、使用感の良好な口腔用組成物を提供する。【解決手段】(A)シクロペプチド化合物と、(B)両性界面活性剤及び/又は(C)水溶性縮合リン酸塩とを含有してなることを特徴とする口腔用組成物。【選択図】なし