Feliway Spray prevents urine marking and eases stressful situations such as driving and adjustment for the cat in a new environment.Contains a synthetic copy of the cat's calming pheromone (CAP), which female cats secrete when they diarrhea their cats.Facts about Feliway Spray:Pheromone that creates a calming effect in cats.Spray 2-3 sprays on the desired area, for example in the carrier.Spray 15 minutes before for best effect.The effect of the spray lasts for about 2 hours.It is possible to spray again when the effect starts to wear off.Indoors, the spray can be supplemented with Feliway Scent Sensor for a longer lasting effect.