Nutri-Vet Hairball Paw-Gel for cats is an easy way to promote healthy skin and glossy coat. As cats groom themselves they ingest hair which can build up and cause hairballs. Regular brushing and the use of the Hairball Paw-Gel may help prevent and eliminate hairballs. This tasty chicken or salmon flavored paw-gel is petroleum-free and formulated with no artificial colors or flavors.