The present invention provides an oral care composition comprising, by total weight of the composition: (a) 15至35 weight % calcium carbonate (b) 0.5至2 weight % cellulose ether thickening agent (c) 1至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 %.本發明係提供一口腔護理組成物,以組成物的總重量計,包括:(a)15至35重量%碳酸鈣;(b)0.5至2重量%纖維素醚增稠劑;(c)1至6重量%黏土增稠劑;及(d)至少35重量%水;其中,當組成物包括低於28重量%碳酸鈣和低於4重量%黏土增稠劑時,纖維素醚增稠劑係以大於1重量%之量存在。
