Tropiclean Natural Flea & Tick Spray is guaranteed to kill fleas & ticks--by contact. This natural essential blend contains nature's most powerful pest fighting ingredients, maximized with lemongrass and sesame oil, for long lasting effects. Safe enough for dogs and puppies 12 weeks or older. Kills Fleas, Flea Eggs, Flea Larvae, Ticks, and Mosquitoes by Contact. Repels for up to two weeks. Active Ingredients: Clove Oil (0.17%), Lemongrass Oil (1.53%), Cedarwood Oil (0.13%), Cinnamon Oil (0.18%), Sesame Seed Oil (0.55%), Sodium Lauryl Sulfate (2.20%). Other Ingredients: Water, Xanthan Gum, Glycerin (95.24%).