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Click one of the following questions to find your answer:

1. How does permethrin work?
2. How does Nylar® work?



  • How does permethrin work?
    Permethrin is a synthetic relative of natural pyrethrins; however, it is much more stable on your pet and more active on insects. Both permethrin and natural pyrethrins work by disrupting the insect's nervous system. Products containing permethrin should NEVER be used on cats as they are sensitive to this compound.

  • How does Nylar® work?
    Nylar® mimics an insect hormone involved in egg hatching and maturation of the immature insect to the adult stage. When exposed to Nylar®, insect eggs fail to hatch and larvae fail to molt properly; therefore, they die before becoming biting adults. Nylar® does not kill adult insects.



®Nylar is registered trademark of McLaughlin Gormley King Company

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