The Ecology Works Anti-Allergen Pet Shampoo is a hypoallergenic shampoo for pets with a formula designed to neutralize allergens on contact. The Pet Shampoo allergy treatment helps pets overcome skin problems caused by dust mites and dust mite allergies, while eliminating pet dander which is a major allergen for many people. The pet shampoo helps pets as well as owners with allergies. Our sustained release odor protection will keep your pet smelling fresh for longer.