---
title: "Laundry Soap Bar — $159K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/laundry-soap-bar"
last_updated: "2026-08-12T15:41:25.119Z"
locale: en
meta:
description: "Amazon product research for laundry soap bar: $159K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for laundry soap bar: $159K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Laundry Soap Bar — $159K/mo Amazon US Product Research"
---
# **Laundry Soap Bar**
**Worth a look**
Shows low returns (0.4%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Market size 93Growth 62Conversion 96Competition 8Returns 98Price range 67Avg price 81Brand share 0Review moat 23Quality gap 20
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****14.1%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Great****$1.9M**
$1.9M/yr · 771K searches
**Avg price**
**Great****$17.56**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$6.56–$32.07**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+39.1%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****7,378.88**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****90%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
## **Is laundry soap bar profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, laundry soap bar is a $1.9M/yr Amazon United States market (771K searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 55/100.
Data updated Jul 13, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **laundry soap bar market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **100K–125K**
- avg 8,000–10,000/product
- **Revenue / yr**
- **$1.8M–$2.2M**
- units × avg price
- **Conversion rate**
- **14.1%**
- **Avg BSR**
- **#695**
- **Page quality**
- **0%**
- **Prime**
- **88%**
- **Sponsored**
- **38%**
- **Out of stock**
- **1.2%**
- **Avg brand age**
- **62 months**
- **Avg seller age**
- **136 days**
## **Competition: brands, sellers & click share**
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **—flat
**Sellers**
**165**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**90%**
Top 20: 100%
**Open market**
**0%**
- Fels Naptha89% - AMSY8% - 20 Mule Team3%
## **laundry soap bar demand & seasonality**
Weekly Amazon search volume, last 35 weeks — +39.1% search growth over the last 90 days.
20K15KSpike '26Nov '25Dec '25Jan '26Feb '26Mar '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/health-household/laundry-soap-bar/trend)
## **Top laundry soap bar search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **fels naptha soap bars**263K/yr+52.8%18.2% conv. - **fels naptha**135K/yr+31.1%14.3% conv. - **laundry soap bar**93K/yr+24.0%2.3% conv. - **laundry bar soap**67K/yr+15.2%2.5% conv. - **fels naptha laundry bar**44K/yr+45.0%16.3% conv. - **fels naptha soap**29K/yr+62.1%11.9% conv. - **laundry bar**22K/yr+9.8%3.3% conv. - **fells-naptha soap**13K/yr+78.4%20.0% conv. - **naptha soap**9K/yr+73.2%13.3% conv. - **fels-naptha laundry bar & stain remover**6K/yr+120.4%15.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/laundry-soap-bar/search-terms)
## **Top laundry soap bar products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%15%$286K30%$572K45%$858K60%$1.1M101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 8 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Fels Naptha Laundry Soap Bar & Stain Remover - Pack of 2 by Fels Naptha**Fels Naptha**$8.24**4.8★1,711 rev](https://www.amazon.com/dp/B01AVK332A) [2**Fels Naptha Laundry Soap & Stain Remover Bar Pack of 3**Fels Naptha**$11.61**4.7★18,497 rev](https://www.amazon.com/dp/B01KGI6CNO) [3**Fels-Naptha Heavy Duty Laundry Bar Soap 5 Ounces**Fels Naptha**$6.56**4.7★155 rev](https://www.amazon.com/dp/B01N09U410) [4**Fels Naptha Laundry Soap Bar & Stain Remover - Pack of 2 by Fels Naptha**Fels Naptha**$7.99**4.7★18,497 rev](https://www.amazon.com/dp/B01N1ZHU12) [5**AMSY Stain Remover Bundle - Laundry Brush with Soap Dispenser & 2 Sisal Pouches Bundled with 2 Pack of Fels Naptha Laundry Bars**AMSY**$25.01**4.6★73 rev](https://www.amazon.com/dp/B0D9BM7DF8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**AMSY Stain Remover Bundle - Laundry Brush with Soap Dispenser & 2 Sisal Pouches Bundled with 2 Pack of Fels Naptha Laundry Bars**AMSY**$25.01**73 rev2y ago](https://www.amazon.com/dp/B0D9BM7DF8) [**AMSY Stain Remover Cloths Laundry Bundle - Amsy Multifunctional Stain Remover Brush with Soap Dispenser Bundled with 2 Pack of Fels Naptha Laundry Soap 5 oz Each for Cloth Shoes Household Surfaces**AMSY**$18.98**156 rev2y ago](https://www.amazon.com/dp/B0D1HDW7DF) [**Fels Naptha Laundry Soap & Stain Remover Bar Pack of 12**Fels Naptha**$29.99**18,497 rev3y ago](https://www.amazon.com/dp/B08BS3NFFK) [**Fels-Naptha Heavy Duty Laundry Bar Soap 5 Ounces**Fels Naptha**$6.56**155 rev9y ago](https://www.amazon.com/dp/B01N09U410) [**Fels Naptha Laundry Soap & Stain Remover Bar Pack of 3**Fels Naptha**$11.61**18,497 rev9y ago](https://www.amazon.com/dp/B01KGI6CNO)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Fels-Naptha Heavy Duty Laundry Bar Soap 5 Ounces**Fels Naptha**$6.56**4.7★**▲ 111%**](https://www.amazon.com/dp/B01N09U410) [**Fels Naptha Laundry Soap & Stain Remover Bar Pack of 3**Fels Naptha**$11.61**4.7★**▲ 60%**](https://www.amazon.com/dp/B01KGI6CNO) [**AMSY Stain Remover Bundle - Laundry Brush with Soap Dispenser & 2 Sisal Pouches Bundled with 2 Pack of Fels Naptha Laundry Bars**AMSY**$25.01**4.6★**▲ 44%**](https://www.amazon.com/dp/B0D9BM7DF8) [**Fels Naptha Laundry Soap Bar & Stain Remover - Pack of 2 by Fels Naptha**Fels Naptha**$8.24**4.8★**▲ 22%**](https://www.amazon.com/dp/B01AVK332A) [**Laundry Soap Kit - Fels Naptha 4 bars 20 Mule Team Borax Natural Laundry Booster & Arm & Hammer Super Washing Soda**20 Mule Team**$32.07**4.7★**— 6%**](https://www.amazon.com/dp/B01CK551EW)
**~~View all trending →~~**
## **What reviews say buyers love and hate about laundry soap bar**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Cleaning**17%
*“Great cleaner”*
**Smell**13%
*“Such a nice clean smell too”*
**Quality-Overall**10%
*“Fair price for the quality”*
**Washability**9%
*“Its a great laundry soap”*
**Efficiency**7%
*“Its incredibly effective”*
**Ease Of Use**6%
*“Easy to use”*
**Value For Money**5%
*“Good value and arrived as expected”*
**De-Grease**5%
*“This works perfectly for getting out grease stains”*
**Color**4%
*“Doesn't bleach or fade colors”*
**Advertised Vs Actual Product**3%
*“it does what it should”*
### **What buyers complain about **
**Stain Resistance**36%
*“Got some stains out that had already been washed”*
**Value For Money**8%
*“Waste of money”*
**Ease Of Cleaning**6%
*“getting clothes clean that are difficult”*
**Smell**5%
*“No scent fragrance”*
**Moist/Dry**4%
*“One bar arrived all dried out”*
**Functionality-Overall**3%
*“Didnt work for me”*
**De-Grease**3%
*“Grandson had a pizza grease stain on his hoodie”*
**Allergies**3%
*“Im allergic to bee stings a politics made from this soap a bit of sugar”*
**Ease Of Use**2%
*“more difficult to find”*
**Washability**2%
*“It washes all the oil off”*
### **Top return reasons **
**Value For Money**24%
**Smell**24%
**Advertised Vs Actual Product**17%
**Stain Resistance**8%
**Size-Overall**8%
**Functionality-Overall**7%
**Leak-Proof**3%
**Defective Material/Parts**1%
**Age Suitability**1%
**Ingredients-Overall**1%
## **Common laundry soap bar questions**
- **Is laundry soap bar profitable to sell on Amazon United States?**
- The niche generates $1.9M/yr across 8 tracked products. 90-day search growth is +39.1%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the laundry soap bar niche?**
- 3 brands and 165 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in laundry soap bar?**
- Top complaints mined from reviews: Stain Resistance, Value For Money, Ease Of Cleaning. The return rate is 0.4%.
- **What does it cost to enter the laundry soap bar niche?**
- Listings span $6.56–$32.07; the average listing price is $17.56 (sweet spot $15–$100). The average incumbent carries 7,379 reviews — the moat a new listing must climb.
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