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Soft demand (-96.3% this quarter) — this niche doesn't clear our bar today.

Market size 15Growth 0Conversion 27Competition 81Returns 93Price range 0Avg price 18Brand share 82Review moat 83Quality gap 76

Returns

Great1.1%

return rate — above 6% kills the launch gate

Review moat

Great349.28

avg incumbent reviews — the moat a new listing must climb

Brand share

Great53%

top-5 brand share — no brand owns this niche

Competition

Great34%

top-5 click share — an open shelf

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Conversion

Okay2.2%

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

Avg price

Bad$6.50

avg listing price — sweet spot $15–$100

Market size

Bad$62K

$62K/yr · 434K searches

Growth

Bad-96.3%

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

Price range

Bad$4.29–$9.30

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

Competition

Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.

Brands

24 falling

Sellers

26

Top-5 brand share

53%

Open market

41%

  • SPLOCUDU14%
  • Sutaozhi14%
  • STZPRONAIL11%
  • LIDUNANWU7%
  • BSBTBZ7%
  • IHUKEIT6%

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%3%$2K6%$4K9%$6K12%$7K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 43 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -96.3% search growth over the last 90 days.
70K50KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb · busiest ÷ quietest = 46.8×

Reviews

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

What buyers love

Adhesion/Stickiness15%

“Great stickiness”

Color14%

“vibrant”

Ease Of Use12%

“Easy to use”

Quality-Overall8%

“Great variety, wife loved them for her nails”

Value For Money6%

“So these are budget friendly”

Design-Overall6%

“They are beautiful designs”

Size-Overall5%

“Great size”

Fun/Entertainment Experience4%

“Fun to use”

Advertised Vs Actual Product4%

“Just what I needed”

Durability4%

“they stay on well”

What buyers complain about

Adhesion/Stickiness13%

“Didn't stick to plastic”

Quality-Overall12%

“Garbage”

Size-Overall10%

“Tiny hearts,”

Advertised Vs Actual Product10%

“They arent exactly like the pictures”

Value For Money8%

“You can find better ones for cheaper”

Durability7%

“fall off after a few days”

Ease Of Use6%

“Hard time taking it off the sheet”

Thickness5%

“These are so ridiculously thin”

Color5%

“They lost all the holographic color”

Smell5%

“Chemical smell”

Top return reasons

Size-Overall29%
Adhesion/Stickiness21%
Advertised Vs Actual Product16%
Quality-Overall6%
Value For Money6%
Defective Material/Parts3%
Design-Overall3%
Color3%
Smell3%
Functionality-Overall2%