Frontline® Shield for Dogs – 3-in-1 Flea, Tick & Mosquito Protection Frontline® Shield for Dogs is an advanced topical solution designed to protect your dog from fleas, ticks, and mosquitoes. This powerful formula starts killing fleas in just 5 minutes, eliminates ticks, and repels mosquitoes to help prevent the transmission of harmful diseases. Waterproof and long-lasting, it provides up to 30 days of continuous protection per application. Safe for dogs 9 weeks and older, Frontline® Shield ensures your dog stays comfortable and protected in any environment.
