Beaphar ProtecTix® is a fast-acting spot-on to protect your dog against fleas, ticks and biting lice for up to 4 weeks. In addition to its killing effect, it also has a repellent effect against fleas, ticks, mosquitoes, sand flies and stable flies, reducing the risk of parasites biting and transmitting diseases, such as Leishmaniasis. The easy-to-apply spot-on offers ultimate elimination and waterproof year-round protection.