Petcor Flea Spray contains Precor IGR, an insect growth regulator that targets fleas in the egg and larval stages of development. As a result, pre-adult fleas cannot produce new infestations of breeding, biting adults

Approved for use on dogs, cats, puppies and kittens over 12 weeks of age. Petcor works well in conjunction with a bloodstream medication such as Advantage or Frontline. Consult with a veterinarian.