Our pet extracorporeal repellent drops contain abamectin and fenbendazole. It can remove parasites from pets, safely and harmlessly, making deworming easier, continuous care, and peace of mind to guard pets every day. Its application method is simple: first pull the hair on the back of the pet's neck, expose the skin, gently disconnect the dropper along the dividing line, and then drop the medicine on the skin on the back of the pet's neck. After use, it helps to remove parasites on pets, prevent parasites and prevent the breeding of ticks, fleas and mites, and make pets healthier and happier.