The present invention relates to a concentrate for a disinfectant, comprising hydrogen peroxide, at least one carboxylic acid and peroxy acid thereof, said at least one carboxylic acid is selected from the group consisting of alpha hydroxy acids and at least one surfactant selected from the group consisting of ionic surfactants, wherein the weight ratio of carboxylic acid and peroxy acid to surfactant is about 50 : 1 to about 5000 : 1, preferably about 50 : 1. The present invention further relates to a disinfectant comprising the concentrate of the present invention as well as a process for disinfecting a surface to be disinfected and the use of a hydrotropic surfactant in a concentrate for a disinfectant.
