Hartz UltraGuard Pro Flea & Tick Dog Topical Treatment is a long-lasting, monthly topical treatment with dual Insect Growth Regulators (IGRs) that protect your pet and his environment by killing fleas within 15 minutes! This powerful formula kills fleas, flea eggs, flea larvae, brown dog ticks, deer ticks, and repels mosquitoes before they bite—helping to prevent reinfestations for one month. This treatment features a patented and easy-to-use Pro-Glide angled applicator with rounded edges for a softer, more pleasant application experience that is suitable for both long- and short-haired dogs. This quick-drying formula is designed for dogs 12 weeks of age and older who weigh 5-14 pounds. And every package contains three applications for a three-month supply!