When a cat feels safe in her environment she will deposit pheromone (scent) marks on furniture or other prominent objects. These marks convey a message of well-being & a feeling of safety. By mimicking the cat´s natural facial pheromones Feliway creates a state of familiarity & security in the cat´s local environment. FELIWAY is also available as a diffuser & can be used in the following situations To calm your cat if he is showing symptoms of stress (disruption of environment) To reduce stress when there is disruption to your cat´s environment To make your cat feel safe & secure Always consult your vet if your cat is showing signs of stress. Your cat´s problem may be of a clinical origin & may require further treatment.