- Starts killing fleas in 5 minutes
- Kills adult fleas, ticks, flea eggs and larvae
- Kills ticks that may transmit diseases
- Provides waterproof effectiveness
- Offers a mighty killing force for a full 30 days
FRONTLINE TRITAK For Dogs has 2 ingredients, fipronil and cyphenothrin, that kill fleas fast. But that's not all. It has a 3rd ingredient, (S)-methoprene, to kill flea eggs and larvae, too. So you can be sure you're preventing and controlling an infestation!
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