---
title: "Armpit Soap — $60K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/armpit-soap"
last_updated: "2026-08-09T12:49:01.545Z"
locale: en
meta:
description: "Niche score 44/100 · $60K/yr market · 42K searches/yr · $14.92 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · $60K/yr market · 42K searches/yr · $14.92 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Armpit Soap — $60K/yr Amazon US Niche (2026) - Flapen"
---
# **armpit soap**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 15Growth 64Conversion 85Competition 10Returns 99Price range 55Avg price 74Brand share 0Review moat 43Quality gap 40
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****9.4%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Good****$14.92**
avg listing price — sweet spot $15–$100
**Growth**
**Good****+42.8%**
90-day search growth — must beat 0% to launch
**Price range**
**Good****$5.59–$26.46**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Okay****2,171.13**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$60K**
$60K/yr · 42K searches
**Competition**
**Bad****87%**
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, armpit soap is a $60K/yr Amazon United States market (42K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 44/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **armpit soap market data**
- **Units sold / yr**
- **4K–5K**
- avg 250–500/product
- **Revenue / yr**
- **$60K–$75K**
- units × avg price
- **Conversion rate**
- **9.4%**
- **Avg BSR**
- **#361**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **62 months**
- **Avg seller age**
- **131 days**
## **Competition & brand share**
The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▼falling
**Sellers**
**52**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**87%**
Top 20: 100%
**Open market**
**0%**
- Megababe77% - Kaia Naturals15% - VOERUY5% - Dettol3%
## **Demand**
Weekly Amazon search volume, last 14 weeks — +42.8% search growth over the last 90 days.
1K750Spike '26Apr '26Apr '26May '26May '26Jun '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/armpit-soap/trend)
## **Top armpit soap search terms**
- **megababe soap**9K/yr+21.3%15.5% conv. - **armpit soap**6K/yr+60.8%5.0% conv. - **underarm soap**6K/yr+41.6%3.8% conv. - **megababe space bar soap**4K/yr+138.0%18.4% conv. - **detox soap**5K/yr-8.9%2.8% conv. - **the underarm bar**4K/yr+38.0%3.4% conv. - **underarm bar**2K/yr+52.7%5.8% conv. - **megabar**2K/yr+182.5%0.4% conv. - **the underarm bar soap**3K/yr+22.4%4.7% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/armpit-soap/search-terms)
## **Top armpit 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%$9K30%$18K45%$27K60%$36K101001K10K100K 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**Megababe Underarm Bar Soap - Space Bar | With Detoxifying Charcoal for Odor Control | 4.5 oz**Megababe**$7.87**4.5★2,311 rev](https://www.amazon.com/dp/B0BWPHZQVD) [2**Megababe Bidet Bar | pH Balanced Cleansing Bar for the Entire Intimate Area | 4.5 oz**Megababe**$7.88**4.6★669 rev](https://www.amazon.com/dp/B0CRZJ7X2P) [3**Kaia Naturals the takesumi detox the underarm bar 5 oz/140g Charcoal Bar Soap with Apple Cider Vinegar for Odor Control and Natural Deodorant Support**Kaia Naturals**$26.46**4.4★43 rev](https://www.amazon.com/dp/B0FMSYXW2K) [4**Kaia Naturals the takesumi detox the underarm bar 2.4oz/68g Charcoal Bar Soap with Apple Cider Vinegar for Odor Control and Natural Deodorant Support**Kaia Naturals**$16.81**4.4★43 rev](https://www.amazon.com/dp/B0FMT2J2B7) [5**Megababe Underarm Bar Soap - Space Bar | With Detoxifying Charcoal for Odor Control | 4.5 oz - 3 Pack**Megababe**$21.73**4.5★2,311 rev](https://www.amazon.com/dp/B09QQSM929)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Megababe Raising the Bar Do-It-All Soap Set | Includes Space Bidet Bumpy & Blade Bars**Megababe**$22.82**35 rev8mo ago](https://www.amazon.com/dp/B0FX3B4V7S) [**Kaia Naturals the takesumi detox the underarm bar 5 oz/140g Charcoal Bar Soap with Apple Cider Vinegar for Odor Control and Natural Deodorant Support**Kaia Naturals**$26.46**43 rev11mo ago](https://www.amazon.com/dp/B0FMSYXW2K) [**Kaia Naturals the takesumi detox the underarm bar 2.4oz/68g Charcoal Bar Soap with Apple Cider Vinegar for Odor Control and Natural Deodorant Support**Kaia Naturals**$16.81**43 rev11mo ago](https://www.amazon.com/dp/B0FMT2J2B7) [**Underarm Detox Soap 2 Pcs Armpit Detox Soap with Green Tea & Tea Tree Charcoal & Mint for Eliminating Odor Exfoliating Moisturizing Bar Soaps for Legs Knee Feet Hands Whole Body - 10 oz280g**VOERUY**$10.17**377 rev1y ago](https://www.amazon.com/dp/B0DKJPJ44B) [**Megababe Bidet Bar | pH Balanced Cleansing Bar for the Entire Intimate Area | 4.5 oz**Megababe**$7.88**669 rev2y ago](https://www.amazon.com/dp/B0CRZJ7X2P)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Kaia Naturals the takesumi detox the underarm bar 5 oz/140g Charcoal Bar Soap with Apple Cider Vinegar for Odor Control and Natural Deodorant Support**Kaia Naturals**$26.46**4.4★**▲ 77%**](https://www.amazon.com/dp/B0FMSYXW2K) [**Megababe Raising the Bar Do-It-All Soap Set | Includes Space Bidet Bumpy & Blade Bars**Megababe**$22.82**4.7★**▲ 39%**](https://www.amazon.com/dp/B0FX3B4V7S) [**Kaia Naturals the takesumi detox the underarm bar 2.4oz/68g Charcoal Bar Soap with Apple Cider Vinegar for Odor Control and Natural Deodorant Support**Kaia Naturals**$16.81**4.4★**▲ 15%**](https://www.amazon.com/dp/B0FMT2J2B7) [**Megababe Underarm Bar Soap - Space Bar | With Detoxifying Charcoal for Odor Control | 4.5 oz**Megababe**$7.87**4.5★**— 2%**](https://www.amazon.com/dp/B0BWPHZQVD) [**Megababe Underarm Bar Soap - Space Bar | With Detoxifying Charcoal for Odor Control | 4.5 oz - 3 Pack**Megababe**$21.73**4.5★**— 7%**](https://www.amazon.com/dp/B09QQSM929)
**~~View all trending →~~**
## **What buyers say about armpit soap**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Smell**28%
*“Smells good”*
**Cleansing**12%
*“So Clean”*
**Efficiency**9%
*“Works well”*
**Quality-Overall**8%
*“I think its a good quality soap”*
**Value For Money**5%
*“Reasonably priced”*
**Allergies**5%
*“No irritation”*
**Lather**4%
*“One of the best qualities of this soap is how well it lathers and rinses”*
**Ease Of Cleaning**4%
*“Feel Clean & Fresh”*
**Advertised Vs Actual Product**3%
*“It works as advertised”*
**Soft Feel**2%
*“its so gentle”*
### **What buyers complain about **
**Smell**39%
*“Awful smell”*
**Value For Money**7%
*“A little pricey”*
**Size-Overall**6%
*“Smaller in size than I thought it would be compared to other soap sizes”*
**Moist/Dry**4%
*“dried skin”*
**Allergies**3%
*“Within seconds, my skin started to feel uncomfortable, and after rinsing it off, it felt very dry and sensitive”*
**Functionality-Overall**3%
*“Doesnt work”*
**Language Issues**2%
*“The packaging is in a different language”*
**Ease Of Cleaning**1%
*“Does not help with Oder use a regular soap”*
**Quality-Overall**1%
*“There are better products out there”*
**Durability**1%
*“But the bar doesnt last long”*
### **Top return reasons **
**Smell**44%
**Advertised Vs Actual Product**14%
**Functionality-Overall**7%
**Size-Overall**7%
**Value For Money**6%
**Defective Material/Parts**6%
**Ingredients-Overall**3%
**Language Issues**3%
**Color**2%
**Product Condition**2%
## **Common questions**
- **Is armpit soap profitable to sell on Amazon United States?**
- The niche generates $60K/yr across 8 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +42.8%. Flapen's verdict: Skip it (44/100).
- **How competitive is the armpit soap niche?**
- 4 brands and 52 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in armpit soap?**
- Top complaints mined from reviews: Smell, Value For Money, Size-Overall. The return rate is 0.3%.
- **What does it cost to enter the armpit soap niche?**
- Listings span $5.59–$26.46; the average listing price is $14.92 (sweet spot $15–$100). The average incumbent carries 2,171 reviews — the moat a new listing must climb.
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