Kills fleas on dogs within 12 hours Kills fleas before they lay eggs Kills the flea larvae stage in the dog's surroundings following contact by a treated dog Kills reinfesting fleas in 2 hours

Waterproof and continues working even after your dog becomes wet. Should be bathed with a non-detergent shampoo. Kills fleas on dogs within 12 hours. Kills reinfesting fleas in 2 hours. Kills fleas before they lay eggs. Kills the flea larvae stage in the dog's surroundings following contact by a treated dog. Repels biting flies and kills chewing lice.