Kills all flea life stages (adults, larvae and eggs) within 12 hours, controls existing infestations and prevents further infestations. All flea stages in dog's surroundings are killed following contact with treated dog. Advantage II also treats, prevents and controls chewing lice infestations. Waterproof formula remains effective following shampoo treatment, swimming and exposure to rain or sunlight. Fragrance-free. Easy to apply.

Directions: For use on dogs 7 weeks and older. Do not apply to puppies or dogs weighing less than 3 lbs. Do not use on other animals. 3-20 lbs - Part hair on back between shoulder blades until skin is visible and squeeze tube to expel entire contents directly on skin; 21+ lbs - Apply entire contents of tube evenly to 3 or 4 spots on top of back from shoulder to base of tail, parting hair at each spot until skin is visible. Under normal conditions, product is effective for 1 month. In cases of severe flea infestation, retreatment may be necessary earlier than 4 weeks. Do not retreat more often than once every 7 days. After flea control is attained, return to a monthly retreatment schedule.

Contains 9.1% imidacloprid and 0.46% pyriproxyfen.