PROBLEM TO BE SOLVED: To provide a dentifrice composition which contains a tar-based pigment, especially controls discoloration on exposure to solar light and at high temperature, and has a stable product appearance.SOLUTION: A dentifrice composition is characterized by comprising (A) silica gel, (B) polyacrylic acid or its salt, (C) a tar-based pigment, and (D) a cationic sterilizer.COPYRIGHT: (C)2014,JPO&INPIT【課題】特に日光曝露時及び高温時の変色が抑えられ、製剤外観が安定なタール系色素を含有する歯磨剤組成物を提供する。【解決手段】(A)シリカゲル、(B)ポリアクリル酸又はその塩、(C)タール系色素、及び(D)カチオン性殺菌剤を配合してなることを特徴とする歯磨剤組成物。【選択図】なし
