'Revo? Topical Flea & Tick Solution For Dogs' is an insecticide. Its Federal EPA registration number is: 2596-168. It was originally approved by EPA on 29 Sep 2011. It has a 'Caution' signal word. It has the following active ingredients: Etofenprox, MGK 264, Piperonyl butoxide, and Pyriproxyfen. It's approved for 2 sites including dogs. It is also approved for 16 pests and pest groups including but not limited to brown dog tick, deer tick, deer ticks, fleas, mosquitoes, and ticks.