Distilled Water, Quaternary Ammonium Compounds and a Chelating Agent. Active ingredients comprise less than 1% by volume and no individual ingredient exceeds 0.1%. All actives are supported under the GB BPR and EU BPR Active Substance Review Programmes for use with Human Hygiene Biocidal Products (Product Type 1) and Private and Public Health Area Disinfectants (Product Type 2).