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PetArmor Flea and Tick Shampoo for Dogs Original, 18 oz Review

By Dr. Lena Ortiz · Canine wellness writer · Published 2026-06-09 · Updated 2026-06-24

4.4 (934) Amazon rating$6.29100+ bought last month

Our verdict

PetArmor's Original Flea and Tick Shampoo is a no-frills, budget option at $6.29 for an 18 oz bottle, backed by a 4.4 star average across 934 reviews.

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Best for

Budget-conscious owners who want a straightforward flea and tick wash without paying extra for scents or add-ons.

Skip if

You want detailed ingredient transparency on the product page, or you need guaranteed stock since this listing has shown limited availability.

  • Priced 63% below the category median ($16.99 across 131 tracked models)

Our scorecard

4.4/5 overall
  • Owner rating4.4/5

    4.4 average across 934 owner ratings

  • Popularity2.2/5

    934 owner reviews, fewer than most models here

The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other dog and cat food, health, gear and grooming we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.

Overview

["This is an 18 oz bottle of PetArmor's Original formula, positioned as a simple, no-frills flea and tick shampoo for dogs rather than a scented or specialty variant. At $6.29, it undercuts most of the other shampoos in this roundup on price.", "This particular listing doesn't include a detailed ingredients or specs table, so it's worth checking the bottle label directly if your dog has known sensitivities. At the time of this review, the listing also showed only a few units left in stock, so availability may vary.", 'Even without a detailed specs sheet, the review history speaks well of it: a 4.4 star average across 934 reviews, though its roughly 100 monthly purchases run lower than several other shampoos in this category.']

Pros

  • Very affordable at $6.29 for an 18 oz bottle
  • Solid 4.4 star average across 934 reviews
  • Simple Original formula without added fragrances to complicate use
  • Well-known PetArmor brand name

Cons

  • Detailed ingredient and specs information isn't published on this listing
  • Only about 100 bought in the past month, lower volume than several other shampoos here
  • Listing has shown limited stock, so availability may be inconsistent

Performance notes

As with several budget entries in this roundup, this listing doesn't include a full specs or ingredients table, so check the bottle label for the active ingredient and any allergen notes before using it, particularly on a dog with sensitive skin.

What buyers say

A 4.4 star average across 934 reviews is respectable, though its lower monthly purchase volume, about 100, suggests it's a smaller-scale seller compared to some of the bigger names in this category.

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Frequently asked questions

How much shampoo comes in the bottle?

This is an 18 oz bottle of PetArmor's Original formula flea and tick shampoo for dogs.

Is stock reliable for this listing?

At the time of this review the listing showed only a few units left in stock, so check current availability before counting on quick delivery.

Is this a scented formula?

It's labeled as the Original formula rather than a specific scent variant, suggesting a simpler wash without added fragrance.

dog flea and tick shampoo  ·  All Dog Shampoos & Conditioners

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