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spearmint mouthwash

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 22Growth 18Conversion 99Competition 18Returns 99Price range 54Avg price 32Brand share 0Review moat 19Quality gap 18

Conversion

Incredible18.3%

search→purchase rate — share of searches ending in a sale

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Price range

Good$4.11–$27.96

cheapest to priciest tracked listing — scored on the share inside $15–$100

Avg price

Okay$9.84

avg listing price — sweet spot $15–$100

Market size

Bad$87K

$87K/yr · 48K searches

Review moat

Bad15,750.18

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-13.8%

90-day search growth — must beat 0% to launch

Competition

Bad78%

top-5 click share — a locked-up shelf

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, spearmint mouthwash is a $87K/yr Amazon United States market (48K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 36/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

spearmint mouthwash market data

Units sold / yr
8K–10K
avg 750–1,000/product
Revenue / yr
$79K–$98K
units × avg price
Conversion rate
18.3%
Avg BSR
#102
Page quality
0%
Prime
100%
Sponsored
45%
Out of stock
0.0%
Avg brand age
84 months
Avg seller age
147 days

Competition & brand share

The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 falling

Sellers

72

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

78%

Top 20: 100%

Open market

0%

  • Listerine73%
  • TheraBreath24%
  • Amazon Basics3%

Demand

Weekly Amazon search volume, last 37 weeks — -13.8% search growth over the last 90 days.
1K750Spike '26Nov '25Dec '25Jan '26Mar '26Apr '26May '26

Top spearmint mouthwash search terms

  • listerine freshburst13K/yr
  • listerine freshburst mouthwash8K/yr
  • listerine fresh burst4K/yr
  • spearmint mouthwash5K/yr
  • therabreath mouthwash mild mint5K/yr
  • therabreath mild mint5K/yr
  • listerine mouthwash fresh burst4K/yr
  • green mouthwash3K/yr
  • listerine fresh burst mouthwash2K/yr
All search terms

Top spearmint mouthwash 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%$9K20%$17K30%$26K40%$35K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 11 tracked products in this niche — three views at once, no toggling.

What buyers say about spearmint mouthwash

What buyers praise and complain about, mined from review topics.

What buyers love

Breathability33%

“Fresh Breath”

Value For Money12%

“great value”

Quality-Overall11%

“Excellent product”

Ease Of Use9%

“Easy to use”

Advertised Vs Actual Product6%

“Accurate description”

Efficiency5%

“it works well”

Size-Overall4%

“This was a convenient size”

Cleansing4%

“Extra clean feeling”

Smell2%

“Very good smell”

Ease Of Cleaning2%

“clean”

What buyers complain about

Dilute/Watery12%

“Watered down”

Breathability11%

“no morning breath feeling”

Size-Overall7%

“Big”

Smell6%

“doesnt smell great”

Value For Money5%

“Over priced”

Durability5%

“Didnt last”

Quality-Overall5%

“Trash”

Alcohol Content4%

“It's basically just alcohol diluted with a little water”

Adhesion/Stickiness4%

“However, the glued ends make it difficult to open the box”

Moist/Dry3%

“Dry mouth”

Top return reasons

Size-Overall20%
Advertised Vs Actual Product14%
Value For Money14%
Breathability9%
Leak-Proof9%
Functionality-Overall6%
Dilute/Watery4%
Ingredients-Overall4%
Smell3%
Defective Material/Parts3%

Common questions

Is spearmint mouthwash profitable to sell on Amazon United States?
The niche generates $87K/yr across 11 tracked products. 90-day search growth is -13.8%. Flapen's verdict: Skip it (36/100).
How competitive is the spearmint mouthwash niche?
3 brands and 72 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in spearmint mouthwash?
Top complaints mined from reviews: Dilute/Watery, Breathability, Size-Overall. The return rate is 0.2%.
What does it cost to enter the spearmint mouthwash niche?
Listings span $4.11–$27.96; the average listing price is $9.84 (sweet spot $15–$100). The average incumbent carries 15,750 reviews — the moat a new listing must climb.