This invention relates to oral care compositions comprising arginine or lysine, zinc citrate and zinc oxide, fluoride source, and a silica abrasive which exhibits an acid pH when measured as an aqueous slurry as well as to methods of using and of making these compositions.本發明係關於包含精胺酸或離胺酸,檸檬酸鋅和氧化鋅,氟化物來源和以水漿體測量時能提供酸性pH之矽土研磨劑的口腔保健組成物,以及這些組成物的使用和製造方法。