TripleSure Natural Flea and Tick Spray for Dogs and Cats (16 oz). Our 100 percent natural flea control and tick killer is made with pure essential oils of cedar wood and peppermint. Scientifically formulated to kill fleas, ticks, bed bugs, mosquitoes, mites, mange, lice, and stinging insects. Safe enough to use on puppies and kittens, yet strong enough for a horse. 16 oz., fine mist finger spray pump.