Pet Defender Plus for Dogs provides fast-acting, long-lasting protection against fleas, ticks, flea eggs, flea larvae, and chewing lice. This treatment is formulated with the same active ingredients as FRONTLINE® Plus, delivering powerful results starting within 30 minutes and continuing with full effectiveness after 48 hours. Waterproof and lasting for up to one month, this easy-to-use treatment is perfect for dogs weighing between 5-22 lbs, offering consistent defense and peace of mind for your pet’s health.