Once applied; Revolution is quickly absorbed into your pet’s bloodstream, skin and hair, killing fleas, heartworm and other nasties that are harmful to your pet. Revolution will then protect your pet for an entire month.
Revolution simply works inside and out. Once you’ve applied it, Revolution is quickly absorbed into your pet’s bloodstream, killing heartworm and in cats, even intestinal worms.
As it moves into your pet’s skin and hair, it gets down to the business of killing fleas, flea larvae, flea eggs and other external parasites.