Advocate is an easy to apply spot-on solution that treats fleas, worms and mites – all in a simple to use,single application. Advocate consists of two active ingredients: Imidacloprid which spreads rapidly across your pet’s skin, killing fleas and lice on contact. Moxidectin which is absorbed through the pet’s skin and enters the bloodsteam. It travels to the gut where intestinal nematode worms are found. These worms are paralysed and passed out of the stools.