The invention relates to a composition, which comprises: a)—From 15 weight % to 25 weight % of 1,2-octanediol, b)—From 15 weight % to 25 weight % of benzoic acid, c)—From 50 weight % to 70 weight % of propylene glycol, wherein the content of aromatic alcohol is less or equal to 5 weight % relative to the weight of the liquid concentrate; its use of a composition, for the preservation of cosmetics products, household products or technical products.