---
title: "Lump of Coal Soap — $120K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/lump-of-coal-soap"
last_updated: "2026-08-11T17:47:03.905Z"
locale: en
meta:
description: "Niche score 40/100 · $120K/yr market · 37K searches/yr · $23.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · $120K/yr market · 37K searches/yr · $23.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Lump of Coal Soap — $120K/yr Amazon US Niche (2026) - Flapen"
---
# **lump of coal soap**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 28Growth 10Conversion 96Competition 4Returns 95Price range 80Avg price 95Brand share 0Review moat 73Quality gap 21
**Conversion**
**Incredible****13.6%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.9%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$23.61**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$6.20–$52.97**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****578**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$120K**
$120K/yr · 37K searches
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-29.1%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****95%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, lump of coal soap is a $120K/yr Amazon United States market (37K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 40/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **lump of coal soap market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$71K–$94K**
- units × avg price
- **Conversion rate**
- **13.6%**
- **Avg BSR**
- **#2,091**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **29%**
- **Out of stock**
- **5.6%**
- **Avg brand age**
- **68 months**
- **Avg seller age**
- **152 days**
## **Competition & brand share**
The top 5 products capture 95% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**2 **—flat
**Sellers**
**14**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**95%**
Top 20: 100%
**Open market**
**0%**
- Duke Cannon Supply Co.98% - Pelto2% - Open — no brand owns it (0%)
## **Demand**
Weekly Amazon search volume, last 28 weeks — -29.1% search growth over the last 90 days.
700500Spike '26Jan '26Feb '26Mar '26Mar '26Apr '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/lump-of-coal-soap/trend)
## **Top lump of coal soap search terms**
- **lump of coal soap**19K/yr-50.6%12.8% conv. - **duke cannon lump of coal soap**6K/yr-39.4%15.0% conv. - **lump of coal soap for men**4K/yr+130.7%16.7% conv. - **coal soap**6K/yr-19.7%7.6% conv. - **duke cannon lump of coal**3K/yr-31.5%8.8% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/lump-of-coal-soap/search-terms)
## **Top lump of coal soap 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%15%$18K30%$36K45%$54K60%$72K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 7 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Duke Cannon Supply Co. Big Lump of Coal Soap Bar for Men Holiday Edition (Bergamot & Black Pepper Scent) Superior Grade Extra Large Paraben-free All Skin Types 10 oz (3 Pack)**Duke Cannon Supply Co.**$27.35**4.7★1,991 rev](https://www.amazon.com/dp/B09FNWFVLS) [2**Duke Cannon Lump of Coal Holiday Soap Charcoal Bergamot & Black Pepper 10oz XL Paraben-Free Triple-Milled Hydrating American-Made Mens Gift**Duke Cannon Supply Co.**$10.00**4.8★189 rev](https://www.amazon.com/dp/B0FLYLVJNQ) [3**Duke Cannon Lump of Coal Holiday Soap Charcoal Bergamot & Black Pepper 10oz XL Paraben-Free Triple-Milled Hydrating American-Made Mens Gift 6 Pack**Duke Cannon Supply Co.**$52.97**4.7★780 rev](https://www.amazon.com/dp/B0FLYMVG6P) [4**Duke Cannon Supply Co. Big Brick of Soap Bar for Men Holiday Edition - Big Lump of Coal (Bergamot & Black Pepper Scent) 10 oz. (1 Pack)**Duke Cannon Supply Co.**$12.14**4.7★704 rev](https://www.amazon.com/dp/B08JTMWC27) [5**Duke Cannon Lump of Coal Holiday Soap Charcoal Bergamot & Black Pepper 10oz XL Paraben-Free Triple-Milled Hydrating American-Made Mens Gift 4 Pack**Duke Cannon Supply Co.**$33.40**4.7★143 rev](https://www.amazon.com/dp/B0FLYLPG3S)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Duke Cannon Lump of Coal Holiday Soap Charcoal Bergamot & Black Pepper 10oz XL Paraben-Free Triple-Milled Hydrating American-Made Mens Gift**Duke Cannon Supply Co.**$10.00**189 rev11mo ago](https://www.amazon.com/dp/B0FLYLVJNQ) [**Duke Cannon Lump of Coal Holiday Soap Charcoal Bergamot & Black Pepper 10oz XL Paraben-Free Triple-Milled Hydrating American-Made Mens Gift 6 Pack**Duke Cannon Supply Co.**$52.97**780 rev11mo ago](https://www.amazon.com/dp/B0FLYMVG6P) [**Duke Cannon Lump of Coal Holiday Soap Charcoal Bergamot & Black Pepper 10oz XL Paraben-Free Triple-Milled Hydrating American-Made Mens Gift 4 Pack**Duke Cannon Supply Co.**$33.40**143 rev11mo ago](https://www.amazon.com/dp/B0FLYLPG3S) [**Pelto Lump Of Coal Activated Charcoal Soap - 2025 Stocking Stuffers for Men - White Elephant Gift Exchange in Unique Adult Christmas Gift Box Mon Dad Teens Him Her - 4 oz Bar**Pelto**$6.20**172 rev1y ago](https://www.amazon.com/dp/B0DCBM2NB9) [**Duke Cannon Supply Co. Big Brick of Soap Bar for Men Holiday Edition - Lump of Coal (Bergamot & Black Pepper Scent) 10 oz. (2 Pack)**Duke Cannon Supply Co.**$23.20**67 rev3y ago](https://www.amazon.com/dp/B0BY5R5SMV)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Duke Cannon Lump of Coal Holiday Soap Charcoal Bergamot & Black Pepper 10oz XL Paraben-Free Triple-Milled Hydrating American-Made Mens Gift**Duke Cannon Supply Co.**$10.00**4.8★**▲ 146%**](https://www.amazon.com/dp/B0FLYLVJNQ) [**Duke Cannon Supply Co. Big Lump of Coal Soap Bar for Men Holiday Edition (Bergamot & Black Pepper Scent) Superior Grade Extra Large Paraben-free All Skin Types 10 oz (3 Pack)**Duke Cannon Supply Co.**$27.35**4.7★**▲ 17%**](https://www.amazon.com/dp/B09FNWFVLS) [**Duke Cannon Supply Co. Big Brick of Soap Bar for Men Holiday Edition - Lump of Coal (Bergamot & Black Pepper Scent) 10 oz. (2 Pack)**Duke Cannon Supply Co.**$23.20**4.7★**— 2%**](https://www.amazon.com/dp/B0BY5R5SMV) [**Duke Cannon Lump of Coal Holiday Soap Charcoal Bergamot & Black Pepper 10oz XL Paraben-Free Triple-Milled Hydrating American-Made Mens Gift 6 Pack**Duke Cannon Supply Co.**$52.97**4.7★**— 5%**](https://www.amazon.com/dp/B0FLYMVG6P) [**Duke Cannon Supply Co. Big Brick of Soap Bar for Men Holiday Edition - Big Lump of Coal (Bergamot & Black Pepper Scent) 10 oz. (1 Pack)**Duke Cannon Supply Co.**$12.14**4.7★**▼ 16%**](https://www.amazon.com/dp/B08JTMWC27)
**~~View all trending →~~**
## **What buyers say about lump of coal soap**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Smell**48%
*“Love the scent”*
**Gifting Purpose**12%
*“hsd s ton of fun gifting it”*
**Lather**12%
*“a creamy lather”*
**Cleansing**4%
*“Definitely an upgrade of soothing cleansing”*
**Value For Money**4%
*“Great value”*
**Quality-Overall**4%
*“Great Product”*
**Efficiency**3%
*“Works great”*
**Soft Feel**3%
*“makes skin feel smooth”*
**Suitability Combination Skin**2%
*“This one works great no skin issues”*
**Durability**2%
*“I know it's good work's good and last long”*
### **What buyers complain about **
**Size-Overall**50%
*“Too small for cost”*
**Natural Resource Wastage**25%
*“Waste of”*
**Quality-Overall**6%
*“Poor quality control”*
**Color Fading/Discoloration**6%
*“Much to our disappointment the color stained our white wash clothes and white tile”*
**Stain Resistance**6%
*“Much to our disappointment the color stained our white wash clothes and white tile”*
### **Top return reasons **
**Defective Material/Parts**32%
**Smell**23%
**Size-Overall**20%
**Color**13%
**Value For Money**7%
**Strength**2%
**Leak-Proof**2%
## **Common questions**
- **Is lump of coal soap profitable to sell on Amazon United States?**
- The niche generates $120K/yr across 7 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -29.1%. Flapen's verdict: Skip it (40/100).
- **How competitive is the lump of coal soap niche?**
- 2 brands and 14 sellers compete. The top 5 products take 95% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in lump of coal soap?**
- Top complaints mined from reviews: Size-Overall, Natural Resource Wastage, Quality-Overall. The return rate is 0.9%.
- **What does it cost to enter the lump of coal soap niche?**
- Listings span $6.20–$52.97; the average listing price is $23.61 (sweet spot $15–$100). The average incumbent carries 578 reviews — the moat a new listing must climb.
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