Revolution is an easy to use, topical treatment that kills fleas, flea eggs, ear mites, scabies and ticks. In addition, it helps control the spread of parasitic worms like heartworm, roundworm, and hookworm. This monthly solution is FDA-approved and safe to use on both dogs and cats. Applied to the base of your pet's neck, Revolution is a quick drying, non-greasy medication that seeps into the pet’s skin to more efficiently distribute the medicine all across your pet's body.