Beaphar Calming Spot On for Dogs effectively calms and reduces problem behaviour, such as excessive barking, destructive behaviour and inappropriate urine marking in the home. Contains the natural herb valerian, which is known for its calming properties. our micro-encapsulated formulation means that a single application will leave dogs feeling calm, settled and relaxed. This can be especially important in a multi-pet household. The Beaphar Calming Spot On for Dogs is also great for helping your dog feel less apprehensive during difficult times such as visits to the vet or kennels, fireworks, thunderstorms, travelling in the car or moving house. Once applied the spot on works quickly and will be effective within one hour after application. Suitable for all breeds of dog.