(A) Alkyl sulfate salt 1.4 to 2.5% by mass, (B) Bicarbonate 0.1 to 5% by mass, (C) Condensed phosphate 0.1 to 5% by mass, (D) Nonionic property A dentifrice composition containing 0.1 to 1.0% by mass of a surfactant and (E) 0.03 to 0.3% by mass of an amphoteric surfactant. ADVANTAGE OF THE INVENTION According to this invention, the dentifrice composition containing an alkylsulfate which is excellent in the biofilm removal effect and which gives a favorable feeling of cleaning and a feeling of use can be provided.（Ａ）アルキル硫酸塩１．４～２．５質量％、（Ｂ）炭酸水素塩０．１～５質量％、（Ｃ）縮合リン酸塩０．１～５質量％、（Ｄ）ノニオン性界面活性剤０．１～１．０質量％及び（Ｅ）両性界面活性剤０．０３～０．３質量％を含有する歯磨剤組成物。 本発明によれば、バイオフィルム除去効果が優れ、また、良好な洗浄実感及び使用感を与える、アルキル硫酸塩含有の歯磨剤組成物を提供できる。
