Beaphar Calming Spot On for cats contains Valerian extract, a herbal supplement noted for its calming properties, to help calm your cat and reduce problem behaviours. Due to its micro-encapsulated formulation, a single application will calm your cat for up to one week. Beaphar Calming Spot On for cats will help your cat feel less frightened during potentially stressful or difficult situations such as visiting the vet, 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.