Aristopet Flea and Tick Rinse is an effective rinse formula that controls fleas and lice in dogs and cats. The product is also useful in control of ticks, including the Australian paralysis tick. Made using natural pyrethrins, Aristopet Flea and Tick Rinse prevents ticks from attaching to dogs and cats for up to 3 days leaving a delightful aroma on your pet's coat.