Allerpet Single Solution is a reformulation of the original Allerpet products. For use on all cats, dogs, birds and small mammals (rabbits, hamsters, gerbils, guinea pigs, and ferrets) Substantially reduces pet-related allergens on all pets Leaves the animals coat completely moisturized, with a beautiful sheen No oily residue to attract more allergens including outdoor pollens Maintains a significantly low level of the cat allergen, Fel d1, when used on cats Perfect for multi-pet families Guaranteed non-toxic and completely safe to use