Flea + Tick Repellent Wipes by Pet Naturals® come in an easy to use canister and is designed for ultimate convenience and safety. Flea + Tick includes lemongrass, cinnamon, sesame and Castor oils to provide a pleasant and refreshing smell with clean, non-sticky active ingredients. The combination of Brazilian oils from certified forests act as a natural shield from unwanted pests. The oils have been used for centuries by the indigenous people of the Amazon forest to keep pests from detecting the scent from their skin.Flea + Tick Repellent Wipes does not contain any drugs or synthetic chemicals, and it is safe for use on all pets, bedding, and applications to collars. This natural flea and tick repellent has no known toxic effects from licking the skin.