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51

purple gel nail polish

Worth a look

Shows a fragmented shelf (top 5 take 27% of clicks), but a deep review moat (13,818 avg reviews) keeps it on the watch list.

Market size 32Growth 35Conversion 54Competition 88Returns 84Price range 48Avg price 28Brand share 42Review moat 20Quality gap 53

Competition

Great27%

top-5 click share — an open shelf

Returns

Great1.6%

return rate — above 6% kills the launch gate

Conversion

Good4.5%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Price range

Okay$4.02–$25.15

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

Brand share

Okay80%

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

Growth

Okay+7.7%

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

Market size

Okay$147K

$147K/yr · 351K searches

Avg price

Okay$9.37

avg listing price — sweet spot $15–$100

Review moat

Bad13,818.25

avg incumbent reviews — the moat a new listing must climb

Competition

Clicks spread well past the top 5 (27% combined) — an open shelf where new products get seen.

Brands

14 falling

Sellers

18

Top-5 brand share

80%

Open market

15%

  • beetles Gel Polish43%
  • CANNI14%
  • GAOY10%
  • Double Rhythm7%
  • modelones6%
  • MelodySusie5%
  • Open — no brand owns it (8 brands, 15%)

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%$6K8%$12K12%$18K16%$24K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 53 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +7.7% search growth over the last 90 days.
9K7KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 2.1×

Reviews

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

What buyers love

Color46%

“BEAUTIFUL COLORS”

Quality-Overall8%

“It looks like a high-quality kit”

Value For Money5%

“Good price”

Stitch/Finish/Polish4%

“A perfect finish”

Durability3%

“Very durable”

Ease Of Application3%

“Great application”

Coverage2%

“Covers well”

Ease Of Use2%

“Easy to use”

Soft Feel2%

“smooth to get on”

Advertised Vs Actual Product2%

“As advertised”

What buyers complain about

Color21%

“Not the correct color”

Size-Overall10%

“Smaller than expected”

Advertised Vs Actual Product8%

“Not as described”

Thickness6%

“it's a little chunky”

Quality-Overall5%

“Bad Quality”

Leak-Proof4%

“Leaked everywhere”

Allergies4%

“Allergy”

Paint Quality3%

“Quality of paint was poor”

Durability3%

“Does not last”

Moist/Dry3%

“Wouldn't dry”

Top return reasons

Color38%
Advertised Vs Actual Product12%
Size-Overall11%
Leak-Proof7%
Functionality-Overall6%
Quality-Overall3%
Paint Quality3%
Moist/Dry3%
Thickness2%
Adhesion/Stickiness2%