Durvets Flea and Tick Powder is a versatile Pyrethrin insecticide powder that provides quick kill with Pyrethrins and residual control with Diatomaceous Earth. This product is registered for use in homes, institutions, food/feed plants, poultry houses and many other areas. Registered for use on vegetables and ornamental flowers. May be used in treating lice, fleas and ticks on dogs and cats. DO NOT TREAT KITTENS OR PUPPIES LESS THAN EIGHT (8) WEEKS OF AGE.