The present invention discloses a preservative formulation comprising at least two compounds having bactericidal and/or fungicidal properties, wherein the bactericidal compound is selected from the group consisting of methylisothiazolinone, phenoxyethanol, caprylyl glycol, undecanol and lauryl alcohol and wherein the fungicidal compound is selected from the group consisting of dehydroacetic acid and its salts, piroctone olamine and its salts and sorbic acid and its salts, with the proviso that a preservative formulation comprising methylisothiazolinone and dehydroacetic or sorbic acid is excluded.La présente invention porte sur une formulation de conservateur comprenant l'association d'au moins deux composés ayant des propriétés bactéricides et/ou fongicides, l'association respective étant choisie dans le groupe constitué par les associations méthylisothiazolinone/piroctone olamine ； caprylylglycol/acide déhydroacétique ； undécanol/acide déhydroacétique et alcool laurylique/acide sorbique.
