Hairballs are a natural occurrence for cats, but if they're more frequent than you'd like, your senior cat may need a nutritional solution. Hill's Science DietHairball Control Adult 7 dry cat food provides nutrition to help avoid hairball formation for mature cats. Packed with quality protein for lean muscle maintenance, this cat food made with natural ingredients uses omega-3 and omega-6 fatty acids to nourish your cat's skin and fur. To support your older cat's kidneys and heart health, this senior cat food provides essential taurine.