• Flea and Tick Drops for Cats

      Hartz® UltraGuard® for cats and kittens offers 3 levels of flea and tick control.

      UltraGuard Pro
      Flea & Tick Drops For Cats

      Hartz UltraGuard Pro For Cats

      • Monthly treatment kills fleas, deer ticks, and mosquitoes up to 30 days.
      • Kills flea eggs and larvae.
      • Prevents reinfestations up to 30 days.
      • ProGlide™ applicator to easily penetrate fur for improved application directly to the cat's skin.
      • For cats weighing 5 lbs or over.

      Kills Kills & Repels Kills & Prevents

      Fleas Fleas

      Flea Eggs Flea Eggs

      Flea Larvae Flea Larvae

      Ticks Deer Ticks

      Mosquitoes Mosquitoes

      Mosquitoes Mosquitoes

      Flea Eggs Flea Eggs

      Flea Larvae Flea Larvae

      Active Ingredients

      • Etofenprox (40.0%)
      • (S)-Methoprene (3.6%)


      UltraGuard Plus
      Drops for Cats

      UltraGuard Plus for cats

      • Monthly treatment kills fleas, deer ticks and mosquitoes up to 30 days.
      • Kills flea eggs.
      • Prevents reinfestations up to 30 days.
      • For cats weighing 5 lbs or over.

      Kills Kills & Repels Kills & Prevents

      Fleas Fleas

      Flea Eggs Flea Eggs

      Ticks Deer Ticks

      Mosquitoes Mosquitoes

      Mosquitoes Mosquitoes

      Flea Eggs Flea Eggs


      Active Ingredients

      • Etofenprox (40.0%)
      • (S)-Methoprene (3.6%)

      UltraGuard
      OneSpot® Treatment for Cats and Kittens

      UltraGuard One-Spot

      • Controls and prevents flea eggs and Flea Larvae for up to 30 days.

      Controls & Prevents

      Flea Eggs Flea Eggs

      Flea Larvae Flea Larvae

      Active Ingredients

      • (S)-Methoprene (2.9%)

      IMPORTANT NOTE: Use all Hartz® UltraGuard® brand feline products only on cats or kittens 12 weeks of age and older.