Vetoquinol Care Hairballs is a tasty gel that softens hairballs so they easily and quickly exit the intestines. Cats lick their coats clean, but often swallow lots of hairs in the process. Cats that are indoors a lot, have a long coat, or lick themselves excessively or sensitive to the build-up of hairs into hairballs. By using the fish-flavoured animal feed supplement prevents the build-up of hairs by removing it with the feces, as it forms a layer of mucus around the hairs.