Compositions which impart a microbicidal benefit to treated surfaces which compositions comprise (or in certain preferred embodiments may consist essentially of, or may consist of): a zinc ion source material which releases zinc ions into the treatment composition, preferably a source of Zn++ ions; preferably at least from about 20%wt. of at least one alcohol, which is preferably a lower alkyl monohydric alcohol) and water, optionally one or more further surfactants, further optionally one or more constituents which impart one or more advantageous technical or aesthetic benefits to the compositions, including one or more detersive surfactants;, and water, wherein the composition has a pH of at least 4, preferably at least 5, wherein the surface treatment compositions, exhibit a microbicidal or germicidal or antimicrobial effect on treated inanimate surfaces, characterized in exhibiting a microbicidal benefit when tested against one or more challenge microorganisms, according to one or more of the following standardized test protocols: ASTM El 052 Standard Test Method for Efficacy of Antimicrobial Agents against Viruses in Suspension, or ASTM El 053 Standard Test Method to Assess Virucidal Activity of Chemicals Intended for Disinfection of Inanimate, Nonporous Environmental Surfaces, or European Standard Surface Test, EN13697, or AOAC Germicidal Spray Products as Disinfectant Test Method, AOAC Index, 17th Ed. (2000, preferably against poliovirus type 1 (Sabin) ("PV1").
