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Review: Best Dog Flea Collars

There are a variety of ways fleas can infest your dogs, especially during the peak flea and tick season of every year (spring to early autumn). Even though you want to keep your canine free of parasites, you also don’t want to strap something on them that could be harmful or unhealthy. Furthermore, you want to avoid introducing fleas and ticks into your home. The following list of the best dog flea collars in 2021 is based on reviews posted online from customers who have used these products, the effectiveness of the collars, and the active ingredients.

Comparing the Best Dog Flea Collar

Bayer Seresto Tick and Dog Flea Collar

New to the United States, the Bayer Seresto Flea and Tick Collar can stay on your dog for eight months and protects against fleas, ticks, mange and lice. This product combines two active ingredients for the most effective treatment possible, imidacloprid, a systemic insecticide, and flumethrin, an organic compound based insecticide. This collar is also odorless and does not leave greasy residue behind on your dog’s coat. A special release mechanism has been built into the Seresto collar in case the dog becomes trapped in it. If your dog is a regular swimmer (more than once a month), the collar’s effective period reduces to five months, however, infrequent exposure to water will not harm this product.

Adams Plus Tick and Dog Flea Collar

Waterproof and lasting for up to five months, fleas (in all stages) and ticks are killed off due to the active ingredients in this product, Propoxur and Methoprene. Some customers noted that this treatment did not work on dogs with thick coats (such as a Siberian Husky). Also, some users report a slight odor with the collar. This particular collar comes in two sizes, small and large. No reports of irritation or rash. Even if you enjoy taking your dog on outdoor adventures, users say this product is still extremely effective.

Sergeant's Pet Flea & Tick Collar For Dogs

Active ingredients in Sentry’s collar are Propoxur, Phenothrin, a chemical specially made to kill adult fleas, n-Octyl bicycloheptene dicarboximide, a common ingredient in pesticides, and Pyriproxyfen, a highly effective insecticide. The collar is effective for up to six months. Reviewers state that even though this product claims to act fast, many have not found that to be the case even though the collar is effective in killing fleas overall. Other customers who have purchased this product share that it gives off a pleasing, powdery-fresh scent. Additionally, this product comes in three sizes (small, medium and large). Some users report that this product is more effective than the FRONTLINE brand treatment.

Zodiac Dog Flea Collar

The active ingredient in the Scalibor Protector Band for Dogs is deltamethrin, an insecticide, so all fleas and ticks are wiped out. Boasting a patented insecticide/acaricide release technology, the Scalibor band offers protection for six months whereas most other collars only guarantee protection for five months. Additionally, many other brands offer differing sizes of collars for dogs but Scalibor’s Protector Band is one sizes fits all. Be aware that some users report that the Scalibor band caused irritation, rash and hair loss with their dogs. Additionally, some people have found that if their skin will become irritated when it comes in contact with the collar.

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