Profender is a topical allwormer solution for cats. This product has the power and potential to treat and control hookworms, roundworms, and tapeworms. It treats and controls gastrointestinal worms in kittens and cats as well. In hindsight, it offers broad spectrum coverage by just a solitary dose. Profender dewormer is safe to use in cats and kittens over the age of 8 weeks.