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purple mouthwash

Worth a look

Shows demand growing >1,000% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 32Growth 100Conversion 80Competition 0Returns 100Price range 92Avg price 81Brand share 0Review moat 89Quality gap 95

Growth

Incredible>1,000%

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

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Quality gap

Incredible4.0★

avg incumbent rating — lower means beatable quality

Price range

Great$14.80–$20.02

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

Review moat

Great214.5

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$17.30

avg listing price — sweet spot $15–$100

Conversion

Great8.2%

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

Market size

Okay$149K

$149K/yr · 105K searches

Competition

Bad100%

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, purple mouthwash is a $149K/yr Amazon United States market (105K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jul. Verdict: Worth a look — 60/100.

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

purple mouthwash market data

Units sold / yr
13K–15K
avg 2,000–2,500/product
Revenue / yr
$216K–$260K
units × avg price
Conversion rate
8.2%
Avg BSR
#796
Page quality
0%
Prime
75%
Sponsored
75%
Out of stock
35.2%
Avg brand age
32 months
Avg seller age
121 days

Competition & brand share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 rising

Sellers

4

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

0%

  • DrDent81%
  • APKAPK7%
  • BodyAccel6%
  • CEELIKE5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — >1,000% search growth over the last 90 days.
20K15KPrime Day '25Holiday '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Jul · busiest ÷ quietest = 8.6×

Top purple mouthwash search terms

  • purple mouthwash71K/yr
  • purple mouthwash whitening20K/yr
  • purple mouth wash6K/yr
  • purple teeth whitening mouthwash4K/yr
  • purple mouthwash packets3K/yr
All search terms

Top purple 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%25%$37K50%$75K75%$112K100%$149K101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 4 tracked products in this niche — three views at once, no toggling.

What buyers say about purple mouthwash

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

What buyers love

Tooth Brightening36%

“It also keeps my teeth white”

Quality-Overall16%

“Excellent product”

Ease Of Use11%

“its easy to use”

Breathability9%

“It leaves my breath fresh”

Cleansing6%

“As it keeps my mouth fresh and clean”

Ease Of Cleaning4%

“still feels super clean when you use after brushing”

Color4%

“I can see a difference in my color”

Alcohol Content3%

“I like that its alcohol-free”

Size-Overall2%

“that they are the perfect size”

Tooth Sensitivity1%

“my teeth look noticeably brighter after each use”

What buyers complain about

Functionality-Overall45%

“Doesn't work”

Advertised Vs Actual Product15%

“doesnt work like the ad shows”

Color9%

“some angles looks like it leave a hue”

Value For Money8%

“Not worth the money”

Quality-Overall5%

“Absolute garbage”

Color Fading/Discoloration3%

“Whitening is temporary”

Tooth Brightening3%

“No whitening at all”

Stain Resistance3%

“I was worried it would stain the sink”

Strength2%

“not the strongest”

Alcohol Content2%

“Very mild burn for something that's alcohol-free”

Top return reasons

Advertised Vs Actual Product35%
Functionality-Overall28%
Color9%
Color Fading/Discoloration4%
Defective Material/Parts4%
Stain Resistance4%
Leak-Proof3%
Ingredients-Overall2%
Product Condition2%
Ethical Trade/Fair Trade2%

Common questions

Is purple mouthwash profitable to sell on Amazon United States?
The niche generates $149K/yr across 4 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is >1,000%. Flapen's verdict: Worth a look (60/100).
How competitive is the purple mouthwash niche?
4 brands and 4 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in purple mouthwash?
Top complaints mined from reviews: Functionality-Overall, Advertised Vs Actual Product, Color. The return rate is 0.0%.
When does demand for purple mouthwash peak?
Demand peaks in Jul; the busiest month runs 8.6× the quietest.
What does it cost to enter the purple mouthwash niche?
Listings span $14.80–$20.02; the average listing price is $17.30 (sweet spot $15–$100). The average incumbent carries 215 reviews — the moat a new listing must climb.