---
title: "Octagon Soap — $186K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/octagon-soap"
last_updated: "2026-08-11T06:26:49.416Z"
locale: en
meta:
description: "Niche score 46/100 · $186K/yr market · 86K searches/yr · $21.90 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $186K/yr market · 86K searches/yr · $21.90 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Octagon Soap — $186K/yr Amazon US Niche (2026) - Flapen"
---
# **octagon soap**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 37Growth 54Conversion 86Competition 10Returns 97Price range 84Avg price 92Brand share 0Review moat 39Quality gap 21
**Returns**
**Incredible****0.6%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$21.90**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****9.8%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****$7.81–$58.28**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+25.9%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****2,564.56**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$186K**
$186K/yr · 86K searches
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****88%**
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, octagon soap is a $186K/yr Amazon United States market (86K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb. Verdict: Skip it — 46/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **octagon soap market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$131K–$175K**
- units × avg price
- **Conversion rate**
- **9.8%**
- **Avg BSR**
- **#1,058**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **78%**
- **Out of stock**
- **9.0%**
- **Avg brand age**
- **62 months**
- **Avg seller age**
- **152 days**
## **Competition & brand share**
The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**67**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**88%**
Top 20: 100%
**Open market**
**0%**
- GRANDMA'S PURE & NATURAL84% - troutcreeksoaps6% - CLASSYONE5% - Amish Farms3% - TRADITIONAL NUTRIENTS2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +25.9% search growth over the last 90 days.
8K6KHoliday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb · busiest ÷ quietest = 3.4×
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/octagon-soap/trend)
## **Top octagon soap search terms**
- **lye soap**48K/yr+30.9%6.6% conv. - **lye soap bars**13K/yr+36.2%7.6% conv. - **grandmas lye soap**9K/yr+13.8%13.2% conv. - **grandmas soap**5K/yr+10.8%10.1% conv. - **grandmas pure & natural**4K/yr+28.1%2.8% conv. - **lard soap**4K/yr+8.5%3.7% conv. - **grandma soap**2K/yr-7.9%13.5% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/octagon-soap/search-terms)
## **Top octagon 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%$28K30%$56K45%$84K60%$111K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Grandmas Pure Lye Soap Bar - Unscented Face & Body Wash Cleans with No Detergens Dyes & Fragrances - 6 Ounce (Pack of 1) - 60018**GRANDMA'S PURE & NATURAL**$7.81**4.7★2,913 rev](https://www.amazon.com/dp/B01M68IH4T) [2**Grandmas Pure Lye Soap Bar - 6.0 oz Unscented Face & Body Wash Cleans with No Detergens Dyes & Fragrances - 60018 pack-of-6**GRANDMA'S PURE & NATURAL**$30.73**4.7★2,913 rev](https://www.amazon.com/dp/B016V2O3JY) [3**Grandmas Pure Lye Soap Bar - 6.0 oz Unscented Face & Body Wash Cleans with No Detergens Dyes & Fragrances - 60018 (4 Pack)**GRANDMA'S PURE & NATURAL**$22.73**4.7★1,245 rev](https://www.amazon.com/dp/B00FYV2LCK) [4**Remwood 60018 Grandmas Lye Soap 6 Oz**GRANDMA'S PURE & NATURAL**$8.22**4.6★290 rev](https://www.amazon.com/dp/B00149YAXY) [5**troutcreeksoaps Traditional Lard Soap 8 Bars 2.2lb | Natural Unscented & Biodegradable | Handmade with Just 3 Simple Ingredients | Pig Tallow Bar Soap Made in the USA**troutcreeksoaps**$23.99**4.8★24 rev](https://www.amazon.com/dp/B0FTL1BHLQ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**troutcreeksoaps Traditional Lard Soap 8 Bars 2.2lb | Natural Unscented & Biodegradable | Handmade with Just 3 Simple Ingredients | Pig Tallow Bar Soap Made in the USA**troutcreeksoaps**$23.99**24 rev9mo ago](https://www.amazon.com/dp/B0FTL1BHLQ) [**TRADITIONAL NUTRIENTS Unscented Beef Tallow Soap Bar Grass Fed and Finished Tallow and Lye 4.6oz Bar Natural Pure Suet Tallow (Pack of 3)**TRADITIONAL NUTRIENTS**$19.18**65 rev1y ago](https://www.amazon.com/dp/B0DWZ5H8BQ) [**Grandmas Pure Lye Soap Bar by CLASSYONE Unscented Face & Body Wash Soap for Dry & Itchy Skin Bundled with Wonder Wafers Baby Powder Air Freshener - 6.0 oz Pack of 6**CLASSYONE**$58.28**62 rev1y ago](https://www.amazon.com/dp/B0DKM4V5G1) [**Amish Farms Natural Bar Soap Variety Pack Moisturizing Soap Bars - 5 Bars**Amish Farms**$18.24**14,727 rev12y ago](https://www.amazon.com/dp/B01B856IV0) [**Grandmas Pure Lye Soap Bar - 6.0 oz Unscented Face & Body Wash Cleans with No Detergens Dyes & Fragrances - 60018 (4 Pack)**GRANDMA'S PURE & NATURAL**$22.73**1,245 rev12y ago](https://www.amazon.com/dp/B00FYV2LCK)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**troutcreeksoaps Traditional Lard Soap 8 Bars 2.2lb | Natural Unscented & Biodegradable | Handmade with Just 3 Simple Ingredients | Pig Tallow Bar Soap Made in the USA**troutcreeksoaps**$23.99**4.8★**▲ 71%**](https://www.amazon.com/dp/B0FTL1BHLQ) [**Grandmas Pure Lye Soap Bar - Unscented Face & Body Wash Cleans with No Detergens Dyes & Fragrances - 6 Ounce (Pack of 1) - 60018**GRANDMA'S PURE & NATURAL**$7.81**4.7★**▲ 28%**](https://www.amazon.com/dp/B01M68IH4T) [**Grandmas Poison Ivy Soap Bar - 2.0 oz Itch Relief Wash with Jewelweed & Colloidal Oatmeal - 67012**GRANDMA'S PURE & NATURAL**$7.88**4.6★**▲ 18%**](https://www.amazon.com/dp/B00A2AX4Y2) [**Amish Farms Natural Bar Soap Variety Pack Moisturizing Soap Bars - 5 Bars**Amish Farms**$18.24**4.7★**— 4%**](https://www.amazon.com/dp/B01B856IV0) [**Grandmas Pure Lye Soap Bar - 6.0 oz Unscented Face & Body Wash Cleans with No Detergens Dyes & Fragrances - 60018 (4 Pack)**GRANDMA'S PURE & NATURAL**$22.73**4.7★**— 7%**](https://www.amazon.com/dp/B00FYV2LCK)
**~~View all trending →~~**
## **What buyers say about octagon soap**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Smell**17%
*“Love the scent”*
**Soft Feel**11%
*“Makes my skin soft”*
**Lather**9%
*“Creamy rich lather”*
**Cleansing**8%
*“It cleans my skin”*
**Quality-Overall**8%
*“Great Quality, Great Price, Great Soap”*
**Value For Money**7%
*“Reasonably priced”*
**Moist/Dry**6%
*“Very moisturizing”*
**Durability**4%
*“Long lasting and gentle”*
**Suitability Dry Skin**3%
*“Great for dry skin”*
**Suitability Combination Skin**2%
*“Highly recommend if you have seriously sensitive skin”*
### **What buyers complain about **
**Smell**20%
*“Strong chemical smells added”*
**Allergies**8%
*“I have super sensitive, usually itchy, skin,”*
**Durability**5%
*“Breaks apart to soon”*
**Natural Ingredients**4%
*“not a 100% natural”*
**Moist/Dry**4%
*“super dried out”*
**Quality-Overall**3%
*“Full of junk”*
**Value For Money**3%
*“unfortunately if you want real, clean, non harmful products, you have to pay more”*
**Ease Of Cleaning**3%
*“she always complained about not having good cleaning products”*
**Size-Overall**3%
*“Bars are extremely large”*
**Sensitivity-Overall**2%
*“Not for sensitive skin”*
### **Top return reasons **
**Smell**51%
**Advertised Vs Actual Product**14%
**Ingredients-Overall**9%
**Natural Ingredients**5%
**Value For Money**3%
**Size-Overall**2%
**Quality-Overall**2%
**Defective Material/Parts**2%
**Color**2%
**Moist/Dry**2%
## **Common questions**
- **Is octagon soap profitable to sell on Amazon United States?**
- The niche generates $186K/yr across 9 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +25.9%. Flapen's verdict: Skip it (46/100).
- **How competitive is the octagon soap niche?**
- 5 brands and 67 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in octagon soap?**
- Top complaints mined from reviews: Smell, Allergies, Durability. The return rate is 0.6%.
- **When does demand for octagon soap peak?**
- Demand peaks in Jan–Feb; the busiest month runs 3.4× the quietest.
- **What does it cost to enter the octagon soap niche?**
- Listings span $7.81–$58.28; the average listing price is $21.90 (sweet spot $15–$100). The average incumbent carries 2,565 reviews — the moat a new listing must climb.
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