Petkin Blood Stop Swabs, suitab for cats & dogs as well as young kittens & puppies from 6 weeks of age are a fast & effective way to stem bleeding & alleviate pain arising from minor scratches, scrapes, & nail clipping. Simply snap the end of the swab to release a styptic fluid into the cotton bud for easy application. The fast acting formula works to actively stop bleeding, whilst lidocaine is a safe way to reduce localised pain.