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nail book

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Soft demand (-3.7% this quarter) — this niche doesn't clear our bar today.

Market size 25Growth 23Conversion 26Competition 53Returns 97Price range 70Avg price 77Brand share 69Review moat 58Quality gap 24

Returns

Incredible0.7%

return rate — above 6% kills the launch gate

Avg price

Great$15.92

avg listing price — sweet spot $15–$100

Price range

Good$4.44–$39.66

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

Brand share

Good63%

top-5 brand share — brands hold most of the demand

Review moat

Good1,181.4

avg incumbent reviews — the moat a new listing must climb

Competition

Good53%

top-5 click share — leaders hold, buyers still browse

Conversion

Okay2.1%

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

Market size

Bad$100K

$100K/yr · 299K searches

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-3.7%

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

Competition

The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 falling

Sellers

20

Top-5 brand share

63%

Open market

32%

  • GUXACU26%
  • Noverlife19%
  • I·B·N G7%
  • vnjaoi6%
  • C12rtive5%
  • ANGNYA5%

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%10%$10K20%$20K30%$30K40%$40K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 25 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -3.7% search growth over the last 90 days.
8K6KBlack Friday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.6×

Reviews

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

What buyers love

Color17%

“Keeps all my colors organized”

Ease Of Use16%

“Easy to use”

Quality-Overall15%

“Clear, Organized, and Perfect”

Value For Money11%

“great value for the money”

Advertised Vs Actual Product7%

“Just what I needed”

Durability6%

“They are durable”

Adhesion/Stickiness3%

“helps me organize all my nails which the sticky adhesive was a bit strong for the nails to actually stick on”

Design-Overall3%

“It makes it look so sleek and professional”

Ease Of Cleaning3%

“It seems like it's easy to wipe”

Compactness2%

“more compact than the ones you see at the nail salon I think”

What buyers complain about

Size-Overall16%

“inserts are too big”

Color11%

“has a black lid then the functionality is compromised because you can't see the color clearly as if the adhesive dot was white”

Ease Of Use9%

“Also the ring isnt the easiest to open”

Durability7%

“As soon as it fell”

Quality-Overall6%

“its such poor quality for the book”

Value For Money5%

“can find cheaper ones at SHEIN”

Functionality-Overall4%

“Did not work”

Instructions/User Manual/Troubleshooting4%

“Lacking in instructions”

Adhesion/Stickiness3%

“The only downside is you get a limited number of sticky strips”

Smell2%

“smells so bad”

Top return reasons

Size-Overall24%
Advertised Vs Actual Product23%
Defective Material/Parts8%
Quality-Overall7%
Shape/Style4%
Adhesion/Stickiness4%
Functionality-Overall4%
Material Quality4%
Value For Money3%
Strength3%