The present invention provides a dental product in the form of a solid comprising (a) a mineral source, wherein the mineral source comprises a source or sources of calcium ions, phosphate ions or both calcium ions and phosphate ions; (b) a salt of carbonic acid; (c) an acidifying agent; and (d) xylitol; wherein the acidifying agent comprises at least citric acid and malic acid, wherein the citric acid and malic acid are present in a weight ratio of from 4:1 to 1:1.本發明提供一種固體形式的牙科產品,包括:(a)礦物源,其中該礦物源包括鈣離子、磷酸根離子、或鈣離子與磷酸根離子兩者之一或多個來源;(b)碳酸之鹽;(c)酸化劑;以及(d)木糖醇; 其中該酸化劑包括至少檸檬酸及蘋果酸,其中該檸檬酸及蘋果酸是以從4:1至1:1之重量比存在。