This invention discloses a process for stabilising an aqueous mineral preparation comprising a step of adding at least one aldehyde-containing and/or aldehyde-releasing and/or phenolic and/or isothiazoline biocide to said aqueous mineral preparation.本發明揭露一種使水性礦物製劑穩定化之方法,該方法包含以下步驟:添加至少一種含有醛之殺生物劑及/或釋放醛之殺生物劑及/或酚系殺生物劑及/或異噻唑啉殺生物劑至該水性礦物製劑中。