Provided are a dentifrice composition and a tooth recalcification promoter, each of which has an excellent tooth recalcification promotion effect and a high dental caries prevention effect and can be prepared into a preparation having good appearance stability. A dentifrice composition characterized by comprising (A) finely-powdered calcium carbonate having an average primary particle diameter of 1 μm or less and (B) an amphoteric surfactant, and also characterized by having a pH value of 7 or more; and a tooth recalcification promoter characterized by comprising (A) finely-powdered calcium carbonate having an average primary particle diameter of 1 μm or less and (B) an amphoteric surfactant, and also characterized by having a pH value of 7 or more.