Natural breakthrough product that Kills fleas on contact. Can be applied directly to dog and puppies. Use in home on carpet, upholstery, fabric, etc. One application protects pet from fleas and ticks for one week. This product is also effective on black flies & mosquitoes.Natural Flea and Tick Spray for Dogs™ is made with natural cinnamon oil, clove oil, and cedar wood oil which kills fleas & ticks by contact and fully effective up to 7 days.