Beaphar Calming Spot On for dogs contains Valerian extract, a herbal supplement noted for its calming properties, to help calm your dog and reduce problem behaviours. Due to its micro-encapsulated formulation, a single application will calm your dog for up to one week. Beaphar Calming Spot On for dogs can help alleviate problems caused by anxiety; from excessive barking to destructive behaviour and inappropriate marking. It will also help your dog feel less frightened during potentially stressful or difficult situations such as car journeys, visiting the vet, staying in kennels, bonfire night fireworks, thunderstorms or even moving house. For the safety of you and your pet, always read the instructions before using this product. Keep out of reach of children. Wash hands after use.