'Hartz Incontrol Flea & Tick Drops For Dogs' is an insect growth regulator, insecticide, miticide, repellent or feeding depressant, and sex attractant or feeding stimulant. Its Federal EPA registration number is: 2596-150. It was originally approved by EPA on 23 Jan 2000. It has a 'Caution' signal word. It has the following active ingredients: Phenothrin and S-Methoprene. It's approved for 2 sites including dogs. It is also approved for 5 pests and pest groups including but not limited to fleas, mosquitoes, and ticks.