Frontline Top Spot for Cats, 3 Month (Green) starts working right away and kills all existing fleas on your pet within 24 hours. It contains Fipronil, a broad-spectrum insecticide that kills existing fleas, ticks, and lice. Safe for cats and kittens over 8 weeks of age.

• Contains active ingredient Fipronil to kill fleas, ticks, and lice
• Helps prevent flea allergy dermatitis
• Waterproof--effective after swimming or shampooing
• Manufacturer information and usage

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