All of Shield’s products contain hypochlorous acid and are formulated with varying concentrations to create a full line of products effective in several areas covering wound and skin care, to household cleaning or disinfecting, vet care and first aid. Shield Disinfectant, registered by the EPA, and Shield First Aid Solution, cleared by the FDA are the two flagship products of the Shield line, and as leaders of the Shield family, can give you the assurance of our product’s validity, effectiveness and guarantee for family, pets and homes!