4.5 stars on 36 reviews
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Alacia F. 29 days ago
Verified Purchase
Fantastic results for our dogs.
LOVE this stuff. I use Guardian One for my terrier. I don't know if it is supposed to work on ticks or not, but it does! It is great for ticks and fleas. When I moved here, the flea and tick problem where I live was real bad. Lots of squirrels, lots of stray cats, and lots of sand... in other words, Flea Heaven. I live next door to a relative and she has two dogs. She had them on a very expensive flea med that stopped working well. I talked her into trying Guardian. She is very happy with it and I never ever see any fleas on our dogs, and the only tick I have found (in a long time) was a very dead one.