Product details:

Revolution is an easy–to–administer, all–in–one flea and heartworm treatment for dogs and cats that works inside and out for an entire month. Revolution is approved for use with kittens and puppies as young as 6 weeks old, as well as pregnant and lactating females. Revolution is quick–drying, non-greasy, and waterproof after 2 hours, with no unpleasant odor.