Green Groom Odor Eliminator Dog Shampoo, 1 Gallon - Crafted with Odortrol, All Natural Ingredients, Antioxidant Rich, Eliminates Smelly Pet Odors, Powerful Deodorizing Formula, Professional Grade Review
By Marcus Bell · Dog nutrition editor · Published 2026-06-17 · Updated 2026-06-30
4.6(1,018)Amazon rating$46.97500+ bought last month
Our verdict
Green Groom's Odor Eliminator Shampoo is a professional grade, gallon-size formula built around its proprietary Odortrol ingredient to tackle smelly, stinky coats, and its 4.6 star average across more than 1,000 reviews backs up its reputation as a strong deodorizer. At $46.97 for 128oz, it's aimed at owners or groomers who bathe dogs often enough to justify buying in bulk.
Priced 176% above the category median ($16.99 across 131 tracked models)
Our scorecard
4.6/5overall
Owner rating4.6/5
4.6 average across 1,018 owner ratings
Popularity2.3/5
1,018 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 shampoo is built around Odortrol, Green Groom's proprietary ingredient for eliminating smelly pet odors, and it's marketed as a powerful, professional grade deodorizing formula. Beyond odor control, the label lists conditioning, degreasing, deshedding, moisturizing, and softening as additional benefits, positioning it as a multi purpose wash rather than a one-note deodorizer.", "It's soap free and labeled allergen-free, and comes in a large 1 gallon, 8.6 pound container that's clearly built for repeat use rather than a single bath. That sizing and the professional grade branding suggest it's aimed at groomers or owners with multiple dogs.", 'At $46.97 for a full gallon, the per-ounce cost is competitive for a professional grade product. With 1,018 reviews and a 4.6 star average, plus around 500 bought in the past month, it has a strong track record for a specialty deodorizing shampoo.']
Pros
Odortrol formula targets smelly, stinky odors specifically
Multi purpose benefits including degreasing, deshedding, and softening
Soap free and allergen-free formula
Large 1 gallon size is cost effective for frequent bathing
Strong 4.6 star rating across 1,018 reviews
Cons
1 gallon size is more product than most casual owners need
Higher upfront price than smaller bottle formats
Professional grade positioning may be overkill for a dog that only needs occasional baths
Odortrol is the defining ingredient here, driving the deodorizing claim, while the soap free, allergen-free formula rounds out benefits like conditioning, degreasing, deshedding, moisturizing, and softening. The 1 gallon, 8.6 pound container is built for repeat professional or multi-dog use rather than occasional bathing.
What buyers say
With 1,018 reviews averaging 4.6 stars and roughly 500 bought in the past month, this shampoo has a solid, established following, particularly among buyers dealing with persistent odor issues.
Is this shampoo meant for professional groomers or home use?
It's marketed as professional grade and sold in a full gallon size, so while home owners can use it, the sizing and branding suggest it's built for groomers or households bathing multiple dogs regularly.
Does this shampoo do more than eliminate odor?
Yes, beyond deodorizing, the label lists conditioning, degreasing, deshedding, moisturizing, and softening as additional benefits.
Is this a soap-based shampoo?
No, it's labeled soap free and allergen-free, which fits its positioning as a gentler, professional grade formula.
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