For use in Cats. Guaranteed Analysis per 2 soft chews: Pyllium Husk 140mg. Vet Classics Natural Hairball Remedy Soft Chews are a digestive aid formulated to help eliminate and prevent hairballs in your cat. For cats over 6 months. Recommended to help eliminate and prevent hairballs in cats. To eliminate hairballs, give 3 to 4 chews daily for 4 days. As maintenance give 1 chew daily or as needed.