Are your cats fighting or are there signs of tension between them, such as chasing, blocking, or staring? FELIWAY® Friends can help. Whether the tension and conflict between your cats is new or has been going on for a long time – FELIWAY® Friends can help. Application Using FELIWAY® Friends is very easy! Screw the vial into the vaporizer, plug it into the socket and you're good to go. This is how FELIWAY® Friends works Cats communicate using natural messenger substances in the air called pheromones. They spread these messages through various parts of their bodies, such as their paws, face, and chest. The positive results from numerous clinical studies with FELIWAY® are cited in many respected scientific reports and discussed at international conferences. Millions of cat owners worldwide use FELIWAY® and report that it has significantly improved their cats' well-being. Their cats appear more relaxed, no longer urinate or scratch in inappropriate places, hide less, live harmoniously with other cats, and cope better with changes in their home. They also state that their relationship with their cats has been strengthened through the use of FELIWAY®.