Sentry Natural Defense Flea & Tick Dog & Puppy Spray, 8-oz bottle

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Natural Defense Natural Flea & Tick Spray for Dogs & Puppies kills and repels fleas and ticks yet its safe to use on your dog or puppy and around your family when applied as directed. Each easy-to-use pump spray features natural active ingredients such as peppermint oil cinnamon oil lemon grass oil thyme oil and eugenol.

Key Benefits
  • Kills and repels fleas, ticks and mosquitos with natural ingredients.
  • When used as directed safe around pets and family alike.
  • Contains natural ingredients and provides a fresh spice fragrance.
  • Can be used on dogs and puppies.
  • Veterinarian tested.

KEEP OUT OF REACH OF CHILDREN. Avoid contact with eyes. Wash hands thoroughly with soap and water after handling and before eating, drinking, chewing gum, using tobacco or using the toilet. Do not apply product directly in or on eyes, mouth, nose or genitalia of dogs. Do not use on (or cause exposure to) puppies under 12 weeks of age. Consult a veterinarian before using this product on debilitated, aged, medicated, pregnant or nursing dogs. Sensitivities may occur after using ANY pesticide product for pets. If signs of sensitivity occur bathe your pet with mild soap and rinse with large amounts of water. If signs continue, consult a veterinarian immediately.

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  • Item Number
  • Brand


  • Lifestage

    Adult, Puppy


For use on dogs and puppies. Do not use on puppies under the age of 12 weeks. Spray the dog with the nozzle about 8-12 inches from the pet. Start spraying the dog at the tail, making sure to spray the entire coat of the animal, including the legs, tail and underbody. With your hand, fluff the hair against the way it normally lays to assure that the spray penetrates the coat to the skin. Do not saturate the dog and do not spray in the face, eye or genitals. Repeat as necessary. Dog may be treated indoors or outdoors. In order to help reduce the occurrence of fleas and ticks, this product is best if used year round.


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.

Customer Reviews
13 Reviews 13 Reviews 4.5 out of 5 Stars

85% Recommend

85% of reviewersrecommend this product

4.5 / 5

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Showing 1-10 of 13 Reviews

  • Smells good and works!

    By on

    If you have a flea infestation this will not work, you need something more hardcore. We used this on our dogs when we took them hiking and it helped to keep the ticks and other bugs off of them. We also had some ants that were coming into the windows at the cabin we stayed at and this killed them. I have also used it to spray around the doors and windows at our house on the outside. The oils help it stay on and forms a barrier to help keep pesty bugs from coming inside.

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  • Visible Results

    By on

    I sprayed this Sentry flea spray on my little dog and saw dead fleas fall off of her. I am so impressed and my dog is finally sleeping in pease!

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  • Very strong smell

    By on

    We live in a dog friendly apartment building, so when we go out to potty, my dachshund, has been coming back in with fleas. I didnt want to bathe her everyday, so I bought this hoping it would repel the fleas.Perhaps Im not using it right because Im still finding fleas. The first time I put it on, she was waaaay too oily, so I bathed her and put some after her bath, not as much as before. Still finding fleas, she hates being sprayed, so I put it in my hands and rub it onto her. The smell is really strong, not bad, just strong. Reminds me of the holiday season because of the cloves.

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  • I use it on my dogs and on myself!

    By on

    A spray or two and then rub it into the dog's fur, under the chest, down the leg and to the feet to keep bugs away. I use it myself when I'm wearing shorts to keep mosquitoes from biting my ankles. Works great, non toxic, easy to use, inexpensive and smells good. What more can you ask?

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  • Smells Great

    By on

    This spray smells pretty good. The dogs hate being sprayed with it, but they never like getting sprayed with anything. Not sure how well it really works yet, but so far they have not gotten any more ticks and they haven't been scratching as much. I've been putting it on about every 3 days. Not sure how often to do it since it doesn't say on the bottle.

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  • Smells very good!

    By on

    It came super fast, and I love the smell, It helps with fleas.

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  • Works well for fleas smells great!

    By on

    I have used this product for about 2 years on my dog. Seems to work great for fleas and seems to get less ticks but nothing aside from chemicals is going to do better. It has such a nice smell people often comment that my dog smells so nice

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  • Strong stuff

    By on

    I have been using this for years. My Lab hates the smell, you need to spray this outside, rub it into the fur..because the smell is strong..but it works.

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  • Works but

    By on Top 25 Contributor

    Let me start off by saying I live in a heavy deer tick and mosquito area (fleas arent As big of a problem but they're still here) This product works fine -- I only use natural products on my animals -- neither my dog nor cat has fleas, my cat has never had any ticks on him -- when I find ticks on the dog (after walking in grass/trees) they are not burrowed down in his coat or biting, they're just "hanging out" on the outside of his coat however what I don't like- the spray leaves a heavy and sticky residue on their coats I prefer the Richard's Organics and Vet's Best flea/tick sprays

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  • Love the scent

    By on

    Love that it's a spray on. Do a lot of outdoor activities and it's perfect. And it has a nice scent.

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