Hairball C. Light ChickenHairballs are a natural occurrence for cats, but if they're more frequent than you'd like, you may need a nutritional solution. Hill's Science Diet Hairball Control Light Adult dry cat food provides nutrition to help avoid hairball formation for cats who would benefit from a lighter, healthy lifestyle. This cat food made from natural ingredients contains 13% fewer calories vs. Hill's Science Diet Adult Hairball Control, giving your grown cat a low cal