The invention relates to an oral care composition comprising certain fatty acid components or salts thereof. The fatty acid components are useful in a method of treating caries by reducing the lactic acid release of lactic acid releasing bacteria in an oral biofilm in the mouth of a human being or animal.
The fatty acid component comprises a carboxyl moiety which is attached to a C 3 to C 7 moiety to which optionally one or more residues selected from methyl, methoxy or hydroxy can be attached, and/or wherein one alky moiety of the C 3 to C 7 moiety is replaced by a keto moiety.
The invention also relates to a kit of parts comprising Part A comprising the fatty acid or component, Part B comprising water and/or a carrier component, and optionally Part C comprising an application device.