• DISCOVER THE SCIENCE BEHIND SENTRY NATURAL DEFENSE®

    To protect themselves, certain plants have developed highly effective defense mechanisms against potentially harmful insects. That's the idea behind SENTRY Natural Defense®. SENTRY has harnessed the power of these natural botanical extracts to produce a line of flea, tick and mosquito control products.

    Years of testing went into the development of SENTRY Natural Defense®. Many natural active ingredients were tested and the best performers were combined to form a natural pest control barrier for your pet.

    SENTRY Natural Defense® products contain an exclusive formulation safe to use around children and pets, when used as directed, but is deadly to biting pests.

    Ingredients

    • peppermint oil
    • cinnamon oil
    • lemongrass oil
    • clove oil
    • thyme oil

    HOW DOES SENTRY NATURAL DEFENSE® WORK?

    SENTRY Natural Defense® works by attacking a neurotransmitter, called octopamine, which is only found in insects such as fleas, ticks and mosquitoes. Octopamine regulates insects’ heart rate and metabolism. The natural oils found in SENTRY Natural Defense® block octopamine — causing a complete breakdown of the central nervous system — killing insects quickly.

    WHY IS IT SAFE?

    The neurotransmitter octopamine is not found in humans or other mammals, birds or fish, thus these products that are deadly to insects are safe to use around children and other pets, when used as directed.


    FREQUENTLY ASKED QUESTIONS

    "Is SENTRY Natural Defense® effective?"
    "Yes. SENTRY Natural Defense® contains natural active ingredients that kill fleas, ticks and mosquitoes on contact. In addition, the natural oils are highly effective in repelling pests."
    "How long do SENTRY Natural Defense® Squeeze-Ons work?"
    "Studies show the SENTRY Natural Defense® Squeeze-Ons are efficacious for up to four weeks. However, if your pet is in a highly infested area, repeat applications may be made if necessary. Do not apply more often than once every two weeks."
    "How do SENTRY Natural Defense® products work to kill fleas and ticks and repel mosquitoes?"
    "The active ingredients in SENTRY Natural Defense® products block the neurotransmitter octopamine, killing insects quickly. Since octopamine is found only in insects, it is safe to use SENTRY Natural Defense® products around pets and people, when used as directed. "
    ...more FAQs

    Available Products