Nutri-Vet Hairball Flavoured Cat Paw-Gel 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 salmon flavoured paw-gel is petroleum-free and formulated with no artificial colours or flavours.