Naturally and effectively calms and reduces problem behavior in dogs of all breeds and ages. Containing Valerian Extract, a single application will calm your dog for up to one week. Beaphar Calming Spot On for dogs can help alleviate problems such as: excessive barking, destructive behavior and inappropriate marking. It will also help that the dog feels less apprehensive during difficult times such as visits to the vet or kennels, fireworks, thunderstorms, travelling in the car, or moving house.