---
title: "Underarm Toner — $668K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/underarm-toner"
last_updated: "2026-08-10T04:07:04.420Z"
locale: en
meta:
description: "Niche score 48/100 · $668K/yr market · 315K searches/yr · $20.45 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $668K/yr market · 315K searches/yr · $20.45 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Underarm Toner — $668K/yr Amazon US Niche (2026) - Flapen"
---
# **underarm toner**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 67Growth 26Conversion 88Competition 22Returns 99Price range 76Avg price 89Brand share 0Review moat 25Quality gap 28
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$20.45**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****10.4%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****$7.88–$37.48**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$668K**
$668K/yr · 315K searches
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+1.1%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****4,236.07**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****73%**
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, underarm toner is a $668K/yr Amazon United States market (315K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Feb. Verdict: Skip it — 48/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **underarm toner market data**
- **Units sold / yr**
- **30K–40K**
- avg 2,000–2,500/product
- **Revenue / yr**
- **$614K–$818K**
- units × avg price
- **Conversion rate**
- **10.4%**
- **Avg BSR**
- **#68**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **79%**
- **Out of stock**
- **0.5%**
- **Avg brand age**
- **58 months**
- **Avg seller age**
- **132 days**
## **Competition & brand share**
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▼falling
**Sellers**
**5**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**73%**
Top 20: 100%
**Open market**
**0%**
- Lume84% - Mando10% - QualiLife3% - Megababe2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +1.1% search growth over the last 90 days.
13K8KSpike '24Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Feb · busiest ÷ quietest = 2.2×
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/underarm-toner/trend)
## **Top underarm toner search terms**
- **lume soap**137K/yr-0.1%8.9% conv. - **lume bar soap**34K/yr+40.3%7.0% conv. - **lume soap bar**26K/yr+30.3%8.7% conv. - **lume acidified bar soap**16K/yr+22.2%9.0% conv. - **mando soap**18K/yr-0.5%11.8% conv. - **mandelic acid soap**9K/yr+58.8%1.6% conv. - **acidified bar soap**17K/yr-45.4%3.3% conv. - **lume bar soap for women**9K/yr+27.7%7.0% conv. - **acidified cleansing bar**11K/yr-64.2%3.7% conv. - **mando soap for men**9K/yr+3.4%12.3% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/underarm-toner/search-terms)
## **Top underarm toner 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%10%$67K20%$134K30%$200K40%$267K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Lume Acidified Body Cleansing Bar - 24 Hour Odor Control - Removes Odor Better than Soap - Moisturizing Formula - Formulated Without SLS or Parabens - OB/GYN Developed - 5 ounce (Unscented)**Lume**$17.48**4.6★3,104 rev](https://www.amazon.com/dp/B0CJMQZ1NR) [2**Lume Triple Milled Bar Soap - Rich Moisture & Gentle Cleansing - Paraben Free Phthalate Free Skin Safe - 5 ounce (Clean Tangerine)**Lume**$9.52**4.6★9,384 rev](https://www.amazon.com/dp/B0B1TYXX2D) [3**Lume Acidified Body Cleansing Bar - 24 Hour Odor Control - Removes Odor Better than Soap - Moisturizing Formula - Formulated Without SLS and Parabens - OB/GYN Developed - 5 ounce (Lavender Sage)**Lume**$17.17**4.6★3,104 rev](https://www.amazon.com/dp/B0CJMRMQL5) [4**Lume Acidified Body Cleansing Bar - 24 Hour Odor Control - Removes Odor Better Than Soap - Moisturizing - No SLS or Parabens - OB/GYN Developed - 8.5 Ounce 3 Pack (Tangerine Lavender & Unscented)**Lume**$37.48**4.6★3,104 rev](https://www.amazon.com/dp/B0DT7NFR5M) [5**Lume Acidified Body Cleansing Bar - 24 Hour Odor Control - Removes Odor Better than Soap - Moisturizing Formula - Formulated Without SLS orParabens - OB/GYN Developed - 5 ounce (Clean Tangerine)**Lume**$17.37**4.6★3,104 rev](https://www.amazon.com/dp/B0CJMR56M6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**QualiLife Acidified Cleansing Bar - Purifying Deodorizing Soap for Eliminating Odor Natural Deodorant Acidified Body Wash - Acidified Bar Soap for Women & Men Pack of 3**QualiLife**$13.19**52 rev6mo ago](https://www.amazon.com/dp/B0GBVJ1LNG) [**Lume Acidified Body Cleansing Bar - 24 Hour Odor Control - Removes Odor Better Than Soap - Moisturizing - No SLS or Parabens - OB/GYN Developed - 8.5 Ounce 3 Pack (Tangerine Lavender & Unscented)**Lume**$37.48**3,104 rev1y ago](https://www.amazon.com/dp/B0DT7NFR5M) [**Mando 4-in-1 Acidified Cleansing Bar - 24-Hour Odor Control - Moisturizing Formula - Formulated without SLS and Parabens - Safe For Sensitive Skin - 5 ounces (Pack of 2) - Pro Sport & Mt Fuji**Mando**$30.26**2,158 rev1y ago](https://www.amazon.com/dp/B0DQYDH3X1) [**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) [**Mando Acidified Cleansing Bar - 24-Hour Odor Control - Removes Odor Better than Soap - Moisturizing Formula - SLS Free Paraben Free - Safe For Sensitive Skin - Pro Sport**Mando**$17.07**2,158 rev2y ago](https://www.amazon.com/dp/B0CJLZ1V4G)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**QualiLife Acidified Cleansing Bar - Purifying Deodorizing Soap for Eliminating Odor Natural Deodorant Acidified Body Wash - Acidified Bar Soap for Women & Men Pack of 3**QualiLife**$13.19**4.7★**▲ 225%**](https://www.amazon.com/dp/B0GBVJ1LNG) [**Mando 4-in-1 Acidified Cleansing Bar - 24-Hour Odor Control - Moisturizing Formula - Formulated without SLS and Parabens - Safe For Sensitive Skin - 5 ounces (Pack of 2) - Pro Sport & Mt Fuji**Mando**$30.26**4.5★**▲ 85%**](https://www.amazon.com/dp/B0DQYDH3X1) [**Lume Acidified Body Cleansing Bar - 24 Hour Odor Control - Removes Odor Better Than Soap - Moisturizing - No SLS or Parabens - OB/GYN Developed - 8.5 Ounce 3 Pack (Tangerine Lavender & Unscented)**Lume**$37.48**4.6★**▲ 75%**](https://www.amazon.com/dp/B0DT7NFR5M) [**Lume Acidified Body Cleansing Bar - 24 Hour Odor Control - Removes Odor Better than Soap - Moisturizing Formula - Formulated Without SLS and Parabens - OB/GYN Developed - 5 ounce (Lavender Sage)**Lume**$17.17**4.6★**▲ 43%**](https://www.amazon.com/dp/B0CJMRMQL5) [**Lume Triple Milled Bar Soap - Rich Moisture & Gentle Cleansing - Paraben Free Phthalate Free Skin Safe - 5 ounce (Clean Tangerine)**Lume**$9.52**4.6★**▲ 27%**](https://www.amazon.com/dp/B0B1TYXX2D)
**~~View all trending →~~**
## **What buyers say about underarm toner**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Smell**26%
*“Awesome scent”*
**Cleansing**10%
*“it cleans the skin well”*
**Quality-Overall**7%
*“Great quality and foams up well”*
**Value For Money**7%
*“Great value”*
**Lather**6%
*“It lathers up nicely”*
**Efficiency**5%
*“This soap works”*
**Advertised Vs Actual Product**5%
*“Works as described”*
**Soft Feel**4%
*“Softens skin”*
**Allergies**3%
*“No irritation”*
**Moist/Dry**3%
*“Feels great on dry skin”*
### **What buyers complain about **
**Smell**25%
*“it smells RANCID”*
**Value For Money**21%
*“Expensive”*
**Allergies**5%
*“I had an allergic reaction to this product”*
**Moist/Dry**3%
*“Leaves skin feeling dry”*
**Durability**2%
*“Doesn't last long”*
**Size-Overall**2%
*“The bars are small”*
**Skin Health**1%
*“Causes skin burns”*
**Sensitivity-Overall**1%
*“BUT it burned my skin, and not in sensitive areas - my legs, hips, stomach, and arms are dry, itchy, and irritated”*
**Cleansing**1%
*“My face has been irritated by other regular bar or cleansing soaps”*
**Functionality-Overall**1%
*“Dont work”*
### **Top return reasons **
**Smell**40%
**Advertised Vs Actual Product**16%
**Value For Money**10%
**Functionality-Overall**7%
**Defective Material/Parts**4%
**Moist/Dry**4%
**Product Condition**3%
**Size-Overall**3%
**Ingredients-Overall**3%
**Color**2%
## **Common questions**
- **Is underarm toner profitable to sell on Amazon United States?**
- The niche generates $668K/yr across 14 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +1.1%. Flapen's verdict: Skip it (48/100).
- **How competitive is the underarm toner niche?**
- 4 brands and 5 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in underarm toner?**
- Top complaints mined from reviews: Smell, Value For Money, Allergies. The return rate is 0.3%.
- **When does demand for underarm toner peak?**
- Demand peaks in Feb; the busiest month runs 2.2× the quietest.
- **What does it cost to enter the underarm toner niche?**
- Listings span $7.88–$37.48; the average listing price is $20.45 (sweet spot $15–$100). The average incumbent carries 4,236 reviews — the moat a new listing must climb.
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