AllerTech Anti-Allergen Solution neutralizes allergens created by dust mites, mold, mildew, pollen and pets, rendering these allergens harmless to allergy sufferers. For use on carpets, upholstery, fabrics, and other surfaces in your home. The solution's formula works by breaking down the structure of protein-based allergens and encapsulating what's left. Once denatured, allergens can no longer bond with the human body's antibodies, thus avoiding the histamine response or "the allergic reaction." Many protein-based allergens in household and commercial environments, like dust mite allergen, pet dander, cockroach, and even pollen and mold are neutralized by the AllerTech Anti-Allergen Solution. Contains no tannic acid. Anti-allergen extract, deionized water, non-ionic surfactants.