A liquid application system for applying an insect repellent to skin of an animal or a person includes a tube receiving a liquid to be applied to skin. The tube is graspable to facilitate manipulation of the system. A yoke is coupled to a first end of the tube. The yoke is in fluid communication with the tube. The yoke includes a pair of spaced ends. A roller assembly is rotatably coupled to the spaced ends of the yoke. The roller assembly is in fluid communication with the yoke. The roller assembly receives the liquid from the yoke and is rolled along the skin to apply the liquid to the skin.