The EcoSMART Natural Flea and Tick Treatment Spray for Cats and Dogs has been creating safe, effective ways to eliminate pests for almost two decades. With EcoSMART Natural Spray on Dog Flea and Tick Killer, we are protecting you, your family, your pets and the ecosystem from harmful chemicals and disease-spreading bugs. This ready-to-use, spray-on dog flea and tick killers kills on contact with the help of clove oil, thyme oil, cinnamon oil, lemongrass oil and rosemary oil. For use on dogs and puppies, 12 weeks and older. This spray is safe to use around children and pet (when used as directed). It won't harm fish, wildlife or contaminate groundwater supplies. You can feel good about using EcoSmart products in and around your home.