wondercide - flea, tick and mosquito spray for dogs, cats, and home - flea and tick killer, control, prevention, treatment - with natural essential oils - pet and family safe – lemongrass 16 oz wondercide safe & effective cat and dog flea spray. wondercide flea, tick & mosquito control offers prevention and treatment in one safe, effective spray. as an alternative to monthly chemical treatments like drops and pills, pets + home is made with natural essential oils, making it a flea and tick treatment that both kills and repels with no toxic effects to pets or children! plus, it also stops itching and scratching, comforts dry skin and hot spots, and is ph balanced for healthy skin and a fresh smelling coat... pets + home will not stain pets, furniture, or flooring. did you know only 5% of the flea life cycle is adult fleas? the other 95% is in egg, larvae, and pupae stages. wondercide natural flea, tick & mosquito control kills the flea lifecycle. use on your pets, bedding, carpeting, upholstery, and other surfaces around your home to ensure full elimination anywhere adult fleas may have jumped and eggs may have fallen.remember, pests come from outdoors, so treat your lawn every 30 days with wondercide flea & tick control for yard + garden (also on amazon) to control fleas, ticks, and mosquitoes at the source of the problem.why it works: the active ingredients in are cedar oil and lemongrass oil, which have been used for centuries to protect families from pests. cedar oil blocks octopamine, which is necessary to regulate heart rate, movement, and metabolism in "bad bugs" like fleas and ticks. when cedar oil is present, pests are repelled. when contacted by cedar oil, pests die.for cats, we recommend our 4oz size to ensure correct application.wondercide develops safe and effective products that replace harsh chemical treatments and other toxins used in everyday life. our full line of naturally-derived products protects and cares for families, their pets, & their homes. we use natural, usa-sourced, sustainable ingredients and low-impact manufacturing processes. date of manufacture printed on bottle. product expires 1 year after manufacture date.