12 Months of complete flea and tick control for dogs 0-22lbs. Product Description: Frontline Plus is ideal for use on dogs 8 weeks of age or older. Not only does Frontline Plus kill up to 100% of adult fleas on your dog within 24 hours, it also contains a special ingredient that kills flea eggs and larvae to keep ALL stages of fleas from developing and bothering your dog and your family. Frontline Plus completely breaks the flea life cycle by effectively stopping the development of new fleas. Frontline Plus also kills ALL stages of 4 major ticks, including the one that may carry Lyme disease. | 
