Revolution for Dogs is a highly effective topical treatment that offers all-round parasitic protection for your dog. The formula is specifically designed to target heartworm, , fleas, and ear mites, and can also aid in the treatment of sarcoptic mange. Revolution also helps to prevent reinfestation; it kills fleas at the egg, larvae and adult stage. With consistent use, heart worm disease, ear mite infestation and flea allergy dermatitis can be prevented. For best protection and results, Revolution for Dogs should be applied on a monthly basis and comes in a handy 6 month pack including a Canex intestinal wormer This topical treatment is safe to be used on puppies aged from six weeks, and dogs, and is waterproof after two hours of application. For use on large sized dogs weighing 20-40kgs. Use as directed on the label.