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module menu icon How do FRONTLINE® SPOT-ON treatments work?

HOW DO FRONTLINE® SPOT-ON TREATMENTS WORK?

  • Following application to the skin, the treatment is absorbed into the sebaceous glands and from there spreads over the skin and coat via the pet’s natural oils.
  • This topical defence kills parasites on contact, without the need for them to bite to be killed.
  • Fipronil affects the central nervous system of parasites and causes them to become hyperactive. This means fleas can be more visible when dying, which is a sign that the product is working.
  1. 1Sebaceous gland containing treatment
  2. 2Skin covered with treatment
  3. 3Hair coated with treatment