Frontline Plus flea control for dogs kills 98–100% of existing fleas in less than 24 hours. Frontline Plus contains a special ingredient that kills flea eggs and larvae, too, and keeps all stages of fleas from developing. Frontline PLUS for dogs is also gentle enough for use on puppies. It provides your dog with the most complete spot-on flea and tick protection available. In addition to killing 98-100% of adult fleas on your dog within 24 hours. It effectively stops the development of new fleas, and completely breaks the flea life cycle. It kills all stages of 4 major ticks including those that may transmit Lyme Disease and Rocky Mountain Spotted Fever. It's completely waterproof. Give your dog the flea protection it needs, buy Frontline PLUS today!In addition to Frontline medication, your pet may also benefit from Frontline Spray and Vita-Soothe Shampoo.