Beaphar Calming Spot On for dogs naturally and effectively calms and reduces problem behaviour in dogs of all breeds and ages. Contains Valerian extract, a herbal supplement noted for its calming properties. Due to its micro-encapsulated formulation, a single application will calm your dog for up to one week. Can help alleviate problems such as excessive barking, destructive behaviour and inappropriate marking. It will also help your dog feel less apprehensive during difficult times such as visits to the vet or kennels, fireworks, thunderstorms, traveling in the car,or moving house.