---
title: "Dog Shampoo Gallon — $665K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/dog-shampoo-gallon"
last_updated: "2026-07-21T18:45:40.916Z"
locale: en
meta:
description: "Niche score 61/100 · $665K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 61/100 · $665K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Dog Shampoo Gallon — $665K/yr Amazon US Niche (2026) - Flapen"
---
# **dog shampoo gallon**
**Worth a look**
Shows low returns (0.5%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 67Growth 24Conversion 77Competition 79Returns 98Price range 87Avg price 95Brand share 46Review moat 37Quality gap 24
**Returns**
**Incredible****0.5%**
return rate — above 6% kills the launch gate
**Avg price**
**Incredible****$36.16**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.01–$58.23**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Great****36%**
top-5 click share — an open shelf
**Conversion**
**Great****7.4%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Good****$665K**
$665K/yr · 247K searches
**Brand share**
**Okay****77%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****2,811.47**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-2.2%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, dog shampoo gallon is a $665K/yr Amazon United States market (247K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Jun. Verdict: Worth a look — 61/100.
Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **dog shampoo gallon market data**
- **Units sold / yr**
- **15K–20K**
- avg 100–250/product
- **Revenue / yr**
- **$542K–$723K**
- units × avg price
- **Launch success**
- **—**
- 2 of 2 new (360d)
- **Conversion rate**
- **7.4%**
- **Avg BSR**
- **#153**
- **Page quality**
- **0%**
- **Prime**
- **96%**
- **Sponsored**
- **88%**
- **Out of stock**
- **0.2%**
- **Avg brand age**
- **94 months**
- **Avg seller age**
- **151 days**
## **Competition & brand share**
Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.
**Brands**
**19 **▼falling
**Sellers**
**49**
**Top-5 brand share**
**77%**
Top 20: 100%
**Top-5 click share**
**36%**
Top 20: 74%
**Open market**
**20%**
- Bark2Basics35% - Wahl18% - Top Performance15% - PetAg5% - MPP3% - GreenGroom3%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -2.2% search growth over the last 90 days.
9K7KSpike '24Black Friday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jun · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/pet-supplies/dog-shampoo-gallon/trend)
## **Top dog shampoo gallon search terms**
- **dog shampoo gallon**45K/yr+0.9%5.5% conv. - **professional dog shampoo**26K/yr+2.3%2.0% conv. - **gallon dog shampoo**26K/yr-9.4%4.6% conv. - **dog grooming shampoo**24K/yr-4.4%2.5% conv. - **bark2basics dog shampoo**22K/yr-4.7%5.3% conv. - **fresh pet shampoo**16K/yr-3.0%8.9% conv. - **bark 2 basics dog shampoo**10K/yr-0.0%6.8% conv. - **bark to basics dog shampoo**9K/yr+3.1%7.4% conv. - **bark2basics**9K/yr-21.8%2.7% conv. - **dog shampoo gallon size**8K/yr-3.5%5.3% conv. [**All search terms **](https://flapen.com/research/us/pet-supplies/dog-shampoo-gallon/search-terms)
## **Top dog shampoo gallon products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%3%$20K6%$40K9%$60K12%$80K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 49 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Wahl USA Dry Skin & Itch Relief Pet Shampoo for Dogs Oatmeal Formula with Coconut Lime Verbena Scent - 64 Oz - Model 821004-050**Wahl**$18.15**4.6★42,945 rev](https://www.amazon.com/dp/B079T44C3J) [2**Top Performance Fresh Pet Shampoo 1-Gallon Black**Top Performance**$37.00**4.7★1,459 rev](https://www.amazon.com/dp/B005N2EY0M) [3**Wahl USA 4-in-1 Calming Pet Shampoo for Dogs with a Lavender Chamomile Scent Cleans Conditions Detangles & Moisturizes - Pet Friendly Formula 64 Oz - Model 821000-050**Wahl**$19.82**4.7★34,475 rev](https://www.amazon.com/dp/B079T3KSYL) [4**Bark2Basics Wild Berry Dog Shampoo 1 Gallon | Unique Herbal Blend Finest Natural Ingredients Handcrafted Soap-Free & Cruelty-Free Protects and Nourishes Skin and Coat**Bark2Basics**$41.84**4.5★1,023 rev](https://www.amazon.com/dp/B01GG9MYAC) [5**PetAg Fresh n Clean Scented Shampoo Classic Fresh Scent - 1 Gallon - Moisturizes with Vitamin E & Aloe Vera - Strengthens & Repairs Coats - Soap Free**PetAg**$39.19**4.8★1,567 rev](https://www.amazon.com/dp/B00063KHKO)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Crystalino Dog Shampoo Conditioner - Lavender - (1 Gallon) Pet Shampoos for Dogs Oatmeal Dog & Puppy Shampoo Sensitive Skin and Itchy Skin Relief Bath Supplies for Dogs Wash Moisturizing for Pets**Crystalino**$24.23**51 rev5mo ago](https://www.amazon.com/dp/B0GHSWSPBQ) [**Crystalino Oatmeal Shampoo for Dogs - 1 Gallon Dog Shampoo Champu para Perros & Conditioner Concentrate Professional Grooming - 1 Gallon Sensitive Hypoallergenic Dogs Shampoos Oatmeal Puppy Shampoos**Crystalino**$23.89**51 rev8mo ago](https://www.amazon.com/dp/B0FWS45YG6) [**Fresh Pet Dog Cat Shampoo and Conditioner Pairs Reduces Mats Tangles Adds Sheen Two Bottle Combos for Less (17 Ounce Bottle Pair)**PUREPET**$39.84**9 rev1y ago](https://www.amazon.com/dp/B0FGGDT3SX) [**MPP Dog Grooming Pro Fresh Pet Shampoo Conditioner Cologne Mist or Waterless Shampoo (17 oz)**MPP**$23.79**88 rev3y ago](https://www.amazon.com/dp/B0C7JHTVPS) [**Bark2Basics DeShedding Dog Shampoo 1 Gallon - Combats and Reduces Shedding Removes Undercoat Fights Excessive Hair Shed Omega 3 and 6 Rich Strengthens the Hair Follicle Natural USA Made**Bark2Basics**$46.98**307 rev3y ago](https://www.amazon.com/dp/B0BFTGKWZC)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Crystalino Dog Shampoo Conditioner - Lavender - (1 Gallon) Pet Shampoos for Dogs Oatmeal Dog & Puppy Shampoo Sensitive Skin and Itchy Skin Relief Bath Supplies for Dogs Wash Moisturizing for Pets**Crystalino**$24.23**4.6★**▲ 189%**](https://www.amazon.com/dp/B0GHSWSPBQ) [**Top Performance Fresh Pet Shampoo Prevents Mats and Tangles Matches Natural pH Balance of Pets Coat and Skin 17 Oz.**Top Performance**$16.96**4.8★**▲ 145%**](https://www.amazon.com/dp/B005N2EYAW) [**PetAg Fresh n Clean Oatmeal n Baking Soda Shampoo - Tropical Fresh Scent - 64 oz - Nurtures Dry Itchy & Sensitive Skin with Vitamin E & Aloe - Strengthens & Repairs Coats - Soap Free**PetAg**$36.72**4.6★**▲ 129%**](https://www.amazon.com/dp/B00V85SRIS) [**Lillian Ruff PRO Formula Deodorizing Oatmeal Dog Shampoo - Calms Itching & Allergies Ultra-Nourishing Dry Skin Relief - Oatmeal Aloe Coconut Oil Lavender & Provitamin B5 - Made in USA Gallon+Pump**Lillian Ruff**$53.59**4.6★**▲ 121%**](https://www.amazon.com/dp/B09M12ZDSB) [**Pet-Ag Fresh n Clean Scented Shampoo Classic Fresh Scent - 18 oz - Moisturizes with Vitamin E & Aloe Vera - Strengthens & Repairs Coats - Soap Free**PetAg**$15.95**4.8★**▲ 39%**](https://www.amazon.com/dp/B000N38CZE)
**~~View all trending →~~**
## **What buyers say about dog shampoo gallon**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Smell**60%
*“Scent is light”*
**Soft Feel**6%
*“Gentle on sensitive skin”*
**Quality-Overall**6%
*“Great quality grooming product for regular use”*
**Ease Of Cleaning**4%
*“Cleans well”*
**Value For Money**3%
*“worth every penny”*
**Allergies**3%
*“No allergies to it”*
**Pet Friendly**2%
*“Good dog shampoo”*
**Brightness/Shine/Glow**2%
*“hair just shines”*
**Advertised Vs Actual Product**1%
*“As advertised”*
**Moist/Dry**1%
*“Great for dry skin”*
### **What buyers complain about **
**Smell**30%
*“They said it was gross smelling”*
**Size-Overall**7%
*“The bottle was smaller than I anticipated”*
**Allergies**6%
*“Made my dog itch”*
**Leak-Proof**6%
*“The package was leaking”*
**Value For Money**4%
*“way over priced for what you get”*
**Ease Of Cleaning**3%
*“does not clean well at all”*
**Quality-Overall**3%
*“Top of line quality is an exaggeration”*
**Moist/Dry**3%
*“The box was totally dry that it was delivered in”*
**Advertised Vs Actual Product**1%
*“Photos don't do it justice”*
**Functionality-Overall**1%
*“This does not work”*
### **Top return reasons **
**Leak-Proof**34%
**Smell**27%
**Size-Overall**12%
**Advertised Vs Actual Product**7%
**Value For Money**7%
**Functionality-Overall**3%
**Defective Material/Parts**2%
**Moist/Dry**2%
**Ingredients-Overall**1%
**Product Condition**1%
## **Common questions**
- **Is dog shampoo gallon profitable to sell on Amazon United States?**
- The niche generates $665K/yr across 49 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -2.2%. Flapen's verdict: Worth a look (61/100).
- **How competitive is the dog shampoo gallon niche?**
- 19 brands and 49 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 77% of demand.
- **What do buyers complain about in dog shampoo gallon?**
- Top complaints mined from reviews: Smell, Size-Overall, Allergies. The return rate is 0.5%.
- **When does demand for dog shampoo gallon peak?**
- Demand peaks in Jun; the busiest month runs 1.6× the quietest.
- **What does it cost to enter the dog shampoo gallon niche?**
- Listings span $10.01–$58.23; the average listing price is $36.16 (sweet spot $15–$100). The average incumbent carries 2,811 reviews — the moat a new listing must climb.
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