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matte black nail polish

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Prices mostly outside the sweet spot ($2.29–$15.44) — this niche doesn't clear our bar today.

Market size 13Growth 29Conversion 82Competition 44Returns 98Price range 3Avg price 21Brand share 56Review moat 20Quality gap 82

Returns

Incredible0.5%

return rate — above 6% kills the launch gate

Conversion

Great8.9%

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

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Brand share

Good72%

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

Competition

Okay59%

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

Growth

Okay+3.4%

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

Avg price

Bad$7.40

avg listing price — sweet spot $15–$100

Review moat

Bad12,477.1

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$51K

$51K/yr · 77K searches

Price range

Bad$2.29–$15.44

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

Competition

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 rising

Sellers

74

Top-5 brand share

72%

Open market

22%

  • COSMOO20%
  • OPI15%
  • vieafenti13%
  • MIZHSE13%
  • Sally Hansen11%
  • ATOMIC POLISH6%

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%$2K8%$4K12%$6K16%$8K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 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.
4K3KSpike '24Spike '25SepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 2.2×

Reviews

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

What buyers love

Color24%

“Good color”

Quality-Overall11%

“Good quality nail polish”

Stitch/Finish/Polish9%

“Love the finish”

Moist/Dry8%

“Quick drying”

Value For Money6%

“Good for the Price”

Paint Quality5%

“Good for painting gun sights black”

Drying Time5%

“Dries quick”

Brightness/Shine/Glow3%

“Its so shiny”

Durability3%

“Two weeks and going strong”

Efficiency3%

“Works fine”

What buyers complain about

Durability15%

“Does not last”

Thickness11%

“doesnt feel thick after it dries”

Quality-Overall11%

“Garbage”

Moist/Dry10%

“took FOREVER to dry”

Color6%

“Wrong color sent”

Value For Money3%

“Not worth it”

Size-Overall3%

“small”

Dilute/Watery3%

“Watery”

Ease Of Application3%

“Application endurance is poor”

Paint Quality3%

“Loses its matte finish over time”

Top return reasons

Color15%
Advertised Vs Actual Product14%
Functionality-Overall13%
Thickness9%
Size-Overall5%
Quality-Overall4%
Paint Quality4%
Value For Money4%
Texture/Consistency-Overall3%
Moist/Dry3%