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58

base coat nail polish

Launch it

A $1.7M/yr market growing +1.0% this quarter with returns at 0.9% — clears our launch bar.

Market size 91Growth 26Conversion 60Competition 79Returns 96Price range 68Avg price 41Brand share 25Review moat 23Quality gap 37

Returns

Incredible0.9%

return rate — above 6% kills the launch gate

Market size

Great$1.7M

$1.7M/yr · 3.1M searches

Competition

Great36%

top-5 click share — an open shelf

Price range

Good$3.94–$38.40

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

Conversion

Good5.1%

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

Avg price

Okay$10.91

avg listing price — sweet spot $15–$100

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+1.0%

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

Brand share

Okay90%

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

Review moat

Bad7,034.79

avg incumbent reviews — the moat a new listing must climb

Competition

Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.

Brands

18 rising

Sellers

78

Top-5 brand share

90%

Open market

9%

  • GAOY63%
  • beetles Gel Polish11%
  • OPI8%
  • Sally Hansen5%
  • modelones3%
  • V Beauty Pure1%
  • Open — no brand owns it (12 brands, 9%)

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%$52K6%$105K9%$157K12%$210K101001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 57 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +1.0% search growth over the last 90 days.
90K70KSpike '24Prime Day '25Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May, Jun · busiest ÷ quietest = 2.3×

Reviews

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

What buyers love

Quality-Overall21%

“This kit is excellent quality”

Color13%

“Colors are as described”

Value For Money8%

“Good value for money”

Durability7%

“its holding up well”

Ease Of Use6%

“Goes on easy”

Brightness/Shine/Glow6%

“High shine”

Stitch/Finish/Polish5%

“Smooth finish”

Ease Of Application3%

“Great application”

Advertised Vs Actual Product3%

“As advertised”

Efficiency3%

“works well with product”

What buyers complain about

Durability10%

“Broke after one use”

Quality-Overall7%

“It is garbage level quality”

Color7%

“Darker than expected”

Thickness6%

“Arrived too thick”

Moist/Dry6%

“It came dried out”

Smell5%

“Strong smell”

Allergies4%

“skin irritation”

Adhesion/Stickiness4%

“didnt stick well”

Leak-Proof4%

“has arrived leaking quite a bit”

Functionality-Overall3%

“Doesn't work well”

Top return reasons

Color23%
Functionality-Overall14%
Advertised Vs Actual Product12%
Quality-Overall4%
Leak-Proof4%
Adhesion/Stickiness4%
Size-Overall4%
Value For Money3%
Moist/Dry3%
Thickness3%