A dentifrice composition comprising 45% to 75% water, by weight of the composition; 25% to 50% of a calcium-containing abrasive by weight of the composition; greater than 0.10% to 0.30% benzyl alcohol, by weight of the composition; 0.01% to 0.11% of a paraben by weight of the composition; and an alkaline pH.Certaines compositions de dentifrice contenant une combinaison d'alcool de benzyle et de parabène montrent une synergie dans l'activité antimicrobienne à un pH alcalin.