External application: Simply rub NutraVital Fly Block Anti-Parasite Spray or Shampoo into the animal. Thanks to its excellent tolerance and pleasant, fresh fragrance, NutraVital Fly Block is easy to apply to animals. No need to hold the animal forcibly or frantically, no more complicated oral administration. – Take a look at our video: https://youtu.be/pfjQXT5pC4A
