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55

nail polish shaker

Worth a look

Shows a sweet-spot price point ($40.48 avg), but soft demand (-3.4% this quarter) keeps it on the watch list.

Market size 27Growth 23Conversion 30Competition 66Returns 69Price range 69Avg price 95Brand share 76Review moat 84Quality gap 76

Avg price

Incredible$40.48

avg listing price — sweet spot $15–$100

Review moat

Great324.53

avg incumbent reviews — the moat a new listing must climb

Brand share

Great59%

top-5 brand share — no brand owns this niche

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Returns

Good2.2%

return rate — above 6% kills the launch gate

Price range

Good$7.04–$130.95

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

Competition

Good45%

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

Conversion

Okay2.4%

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

Market size

Okay$116K

$116K/yr · 120K searches

Growth

Bad-3.4%

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

Competition

The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.

Brands

23 falling

Sellers

29

Top-5 brand share

59%

Open market

35%

  • HUBEST16%
  • ONiLAB14%
  • ZLMONDEE13%
  • SLQZMI9%
  • Sunicon7%
  • KVM6%

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%4%$5K8%$9K12%$14K16%$19K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 30 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -3.4% search growth over the last 90 days.
3K2KSpike '24Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

Reviews

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

What buyers love

Paint Quality14%

“Consistent and smooth paint mixing”

Value For Money14%

“Worth the money”

Ease Of Use13%

“Easy to use”

Quality-Overall11%

“Excellent product”

Advertised Vs Actual Product9%

“Works exactly as expected”

Efficiency7%

“very efficient”

Size-Overall4%

“Its a great size”

Durability3%

“don't break it”

Strength3%

“Powerful for the size and price”

Functionality-Overall2%

“It mixes my polishes very well in a short time, seconds”

What buyers complain about

Durability22%

“easy to break”

Functionality-Overall7%

“This also doesn't work”

Paint Quality7%

“It might get a bottle of paint shaken in two or three years”

Quality-Overall6%

“cheap”

Strength5%

“easy to break”

Ease Of Use4%

“if it is a struggle for me to use”

Size-Overall4%

“I found the bearings to be a bit large”

Value For Money3%

“It is expensive”

Noise Level2%

“The only thing I dislike is how loud it is when on”

Product Condition2%

“It looks like a return was sent to me”

Top return reasons

Functionality-Overall27%
Defective Material/Parts18%
Paint Quality12%
Size-Overall7%
Advertised Vs Actual Product5%
Durability4%
Strength3%
Product Condition2%
Material Quality2%
Compatibility-Overall2%