The present invention provides an oral care composition comprising, by total weight of the composition: (a) 15 to 35 weight % calcium carbonate (b) 0.5 to 2 weight % cellulose ether thickening agent (c) 1 to 6 weight % clay thickening agent and (d) at least 35 weight % water wherein, when the composition comprises less than 28 weight % calcium carbonate and less than 4 weight % clay thickening agent, the cellulose ether thickening agent is present in an amount of greater than 1 weight %.