armpit soap
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Conversion
Great9.4%search→purchase rate — share of searches ending in a sale
Avg price
Good$14.92avg listing price — sweet spot $15–$100
Growth
Good+42.8%90-day search growth — must beat 0% to launch
Price range
Good$5.59–$26.46cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay2,171.13avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Bad$60K$60K/yr · 42K searches
Competition
Bad87%top-5 click share — a locked-up shelf
Brand share
Bad100%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
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.Top armpit soap search terms
- megababe soap9K/yr
- armpit soap6K/yr
- underarm soap6K/yr
- megababe space bar soap4K/yr
- detox soap5K/yr
- the underarm bar4K/yr
- underarm bar2K/yr
- megabar2K/yr
- the underarm bar soap3K/yr
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.
All 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Megababe Underarm Bar Soap - Space Bar | With Detoxifying Charcoal for Odor Control | 4.5 oz
Megababe$7.874.5★2,311 rev
Megababe Bidet Bar | pH Balanced Cleansing Bar for the Entire Intimate Area | 4.5 oz
Megababe$7.884.6★669 rev
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$26.464.4★43 rev
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$16.814.4★43 rev
Megababe Underarm Bar Soap - Space Bar | With Detoxifying Charcoal for Odor Control | 4.5 oz - 3 Pack
Megababe$21.734.5★2,311 rev
Newest
by launch date
Megababe Raising the Bar Do-It-All Soap Set | Includes Space Bidet Bumpy & Blade Bars
Megababe$22.8235 rev
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$26.4643 rev
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$16.8143 rev
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$10.17377 rev
Megababe Bidet Bar | pH Balanced Cleansing Bar for the Entire Intimate Area | 4.5 oz
Megababe$7.88669 rev
Trending
90-day click momentumKaia 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$26.464.4★
Megababe Raising the Bar Do-It-All Soap Set | Includes Space Bidet Bumpy & Blade Bars
Megababe$22.824.7★
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$16.814.4★
Megababe Underarm Bar Soap - Space Bar | With Detoxifying Charcoal for Odor Control | 4.5 oz
Megababe$7.874.5★
Megababe Underarm Bar Soap - Space Bar | With Detoxifying Charcoal for Odor Control | 4.5 oz - 3 Pack
Megababe$21.734.5★
What buyers say about armpit soap
What buyers praise and complain about, mined from review topics.What buyers love
“Smells good”
“So Clean”
“Works well”
“I think its a good quality soap”
“Reasonably priced”
“No irritation”
“One of the best qualities of this soap is how well it lathers and rinses”
“Feel Clean & Fresh”
“It works as advertised”
“its so gentle”
What buyers complain about
“Awful smell”
“A little pricey”
“Smaller in size than I thought it would be compared to other soap sizes”
“dried skin”
“Within seconds, my skin started to feel uncomfortable, and after rinsing it off, it felt very dry and sensitive”
“Doesnt work”
“The packaging is in a different language”
“Does not help with Oder use a regular soap”
“There are better products out there”
“But the bar doesnt last long”
Top return reasons
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.