Sentry Natural Defense Flea & Tick Squeeze-On for Dogs

By Sentry
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    Medium, Large, Giant
  • Lifestage
    Puppy, Adult

Sentry Natural Defense Natural Flea & Tick Squeeze-On for Dogs & Puppies kills fleas, ticks and mosquitoes for up to four weeks, yet it's safe to use on your dog or puppy and around your family when applied as directed. Each carton contains three monthly applications that feature natural active ingredients such as peppermint oil, cinnamon oil, lemon grass oil and thyme oil. Comes with 4 applications.

Key Benefits

  • Repels fleas, ticks, and mosiquitoes
  • Kills fleas and ticks on contact
  • Made with natural ingredients
  • Safe for uses around children and pets
  • Veterinarian tested

See all items by Sentry

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Customer Reviews

Rated 3.6 out of 5 by 67 reviewers.
Rated 5 out of 5 by Great Alternative to Nasty Chemicals! My little wire haired Jack Russell/ dachshund mix kept on getting fleas this summer. My husband and I were giving her flea baths once or twice a week but even though the chemicals were harsh, it didn't really seem to be doing very much to help her. She was so uncomfortable day and night. I bought this product and my hubby and I put it between her shoulders (open a window because the essential oils are powerful! The smell does fade as the serum dries - just be patient). Within a couple days those persistent bugs were gone and her skin had calmed down. Now she's laying on my lap sleeping happily instead of scratching and biting! We definitely recommend this! August 9, 2016
Rated 5 out of 5 by excellent product Great product and an awesome price. Very pleased with the quick delivery also. I definitely will be using this site again. August 27, 2016
Rated 5 out of 5 by Great Product with less health concerns! I spend a lot of time with my pets. They watch TV with me and sometimes sneak next to me to sleep, so having a natural product that not only works, but I feel is safer for them and me, is great! I read reviews and was aware that the product is stronger smelling due to natural elements, but for only one day and the results are more than worth it! No reactions, like to the other over the counter products have caused some of my rescue pets either! I feel like the fleas and ticks are really bad this year, so I felt I had to re-apply right at or before 30 days. Glad I found this product! August 10, 2016
Rated 4 out of 5 by I like this product I like this product. It's better to use as prevention than after you know you have a flea problem. I will continue to use it long term. My Aussie had a life threatening neural reaction from a big name pour on, which I'll not ever use again. August 7, 2016
Rated 1 out of 5 by There was no reduction in fleas. Product seemed to work in the past. There was no reduction in fleas this year with the use of this product even when used every two weeks. July 27, 2016
Rated 4 out of 5 by Natural is better I use this natural flea and tick application since our dog was a puppy and it works! No drugs that can cause seizures. I think it's excellent! July 27, 2016
Rated 3 out of 5 by The Jury is still out..... I've been researching all natural flea and tick control for my 4 dogs and decided to try Natural Defense. I checked and none of the oils they use are bad or toxic to dogs but I still haven't made up my mind on it. I put a small drop on each dog to make sure they didn't have any reactions to it (which they didn't) and then sat back and waited to see how long it took for the really, really strong (almost overpowering but not unpleasant) smell of the natural oils to come down to a more bearable level. It took about 2 days and then it was just a light scent on their fur. Knowing how sensitive dogs noses are it made me wonder how the scent was impacting them and if it was causing them any nasal discomfort or headaches when first applied. If it was almost overpowering for me, what was it like for my dogs? The reviews I've read are good and it is much less expensive than Frontline and has the added benefit of being all natural but I think I'll do a little more homework before I make the switch. So the jury is still out on this one.... June 17, 2014
Rated 2 out of 5 by Won't buy again I thought this stuff was working out great at first. I loved the smell, that it was natural and that I could put it on more than once a month if needed. It stays greasy for a week and does not work on ticks. I pulled 7 ticks off my dog in the past 2 months, needless to say I won't use this stuff again. I will say chewy made returning my unopened box very easy and their customer service is perfect!! June 19, 2016
  • 2016-09-23 T06:26:29.441-05:00
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