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stain remover pen

Skip it

Brand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.

Market size 51Growth 64Conversion 96Competition 21Returns 98Price range 8Avg price 35Brand share 8Review moat 24Quality gap 55

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Conversion

Incredible13.8%

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

Growth

Good+42.9%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Good$288K

$288K/yr · 205K searches

Avg price

Okay$10.21

avg listing price — sweet spot $15–$100

Review moat

Bad5,252.08

avg incumbent reviews — the moat a new listing must climb

Competition

Bad75%

top-5 click share — a locked-up shelf

Brand share

Bad97%

top-5 brand share — brand-locked demand

Price range

Bad$3.64–$15.94

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

According to Flapen's Amazon United States niche tracking, stain remover pen is a $288K/yr Amazon United States market (205K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Skip it — 49/100.

Data updated Jul 13, 2026 · scored weekly · How we score niches

stain remover pen market data

Units sold / yr
30K–40K
avg 3,000–4,000/product
Revenue / yr
$306K–$408K
units × avg price
Conversion rate
13.8%
Avg BSR
#65
Page quality
0%
Prime
100%
Sponsored
83%
Out of stock
0.0%
Avg brand age
63 months
Avg seller age
140 days

Competition & brand share

The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 rising

Sellers

121

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

2%

  • Tide66%
  • Miss Mouth's11%
  • Puracy11%
  • OxiClean7%
  • Pixiewink2%
  • IBB2%
  • Open — no brand owns it (1 brand, 2%)

Demand & seasonality

Weekly Amazon search volume, last 67 weeks — +42.9% search growth over the last 90 days.
9K7KSpike '25Prime Day '25Spike '26AprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jun, Jul, Aug · busiest ÷ quietest = 2.0×

Top stain remover pen search terms

  • stain remover pen139K/yr
  • stain pen34K/yr
  • stain pen for clothes10K/yr
  • pen stain remover8K/yr
  • stain remover pen for clothes7K/yr
  • pen stain remover for clothes3K/yr
  • magic eraser pen3K/yr
All search terms

Top stain remover pen 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%$29K20%$58K30%$86K40%$115K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

What buyers say about stain remover pen

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

What buyers love

Quality-Overall15%

“no complaints there”

Ease Of Use13%

“Easy To Have On-The-Go”

Ease Of Cleaning10%

“easy to wash”

Portability9%

“Easy to carry with you on the go”

Value For Money8%

“GREAT PRICE”

Efficiency7%

“Works ok”

Advertised Vs Actual Product5%

“As advertised”

Size-Overall4%

“fit perfectly in a bag”

Smell2%

“it doesnt smell bad”

Leak-Proof2%

“Doesnt leak”

What buyers complain about

Stain Resistance34%

“stain”

Functionality-Overall12%

“Barely worked”

Color Fading/Discoloration6%

“also left a discolored spot”

Smell4%

“Smells extremely bad”

Color3%

“May not be safe on all colors”

Quality-Overall3%

“I think is expensive for the quality and the quantity”

Ease Of Cleaning3%

“You pretty much have to use half the two to clean one spot”

Value For Money2%

“Expensive”

Ease Of Use2%

“The product is hard to get out when you push down on it”

Advertised Vs Actual Product2%

“It doesn't work the way it appears in the commercials”

Top return reasons

Stain Resistance25%
Functionality-Overall18%
Leak-Proof16%
Advertised Vs Actual Product15%
Value For Money9%
Size-Overall6%
Product Condition2%
Dispensing Mechanism2%
Moist/Dry2%
Adhesion/Stickiness1%

Common questions

Is stain remover pen profitable to sell on Amazon United States?
The niche generates $288K/yr across 12 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +42.9%. Flapen's verdict: Skip it (49/100).
How competitive is the stain remover pen niche?
7 brands and 121 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 97% of demand.
What do buyers complain about in stain remover pen?
Top complaints mined from reviews: Stain Resistance, Functionality-Overall, Color Fading/Discoloration. The return rate is 0.4%.
When does demand for stain remover pen peak?
Demand peaks in Jun–Jul–Aug; the busiest month runs 2.0× the quietest.
What does it cost to enter the stain remover pen niche?
Listings span $3.64–$15.94; the average listing price is $10.21 (sweet spot $15–$100). The average incumbent carries 5,252 reviews — the moat a new listing must climb.