Skip to content
39

plum nail polish

Skip it

A small market ($22K/yr) — this niche doesn't clear our bar today.

Market size 6Growth 24Conversion 33Competition 67Returns 99Price range 41Avg price 26Brand share 32Review moat 12Quality gap 47

Returns

Incredible0.2%

return rate — above 6% kills the launch gate

Competition

Good45%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Price range

Okay$2.32–$23.77

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

Conversion

Okay2.6%

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

Brand share

Okay86%

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

Avg price

Okay$9.13

avg listing price — sweet spot $15–$100

Growth

Bad-1.7%

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

Review moat

Bad28,770

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$22K

$22K/yr · 93K searches

Competition

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

Brands

12 rising

Sellers

91

Top-5 brand share

86%

Open market

11%

  • OPI40%
  • essie22%
  • Sally Hansen15%
  • Orly5%
  • REVLON3%
  • CANNI3%
  • Open — no brand owns it (6 brands, 11%)

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%$8878%$2K12%$3K16%$4K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 29 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 40 weeks — -1.7% search growth over the last 90 days.
5K3KSpike '26Oct '25Nov '25Dec '25Feb '26Mar '26May '26Jun '26

Reviews

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

What buyers love

Color58%

“rich color”

Quality-Overall6%

“Good quality, easy to apply, perfect shine, no streaks, quick-drying, shipped fast, and reasonably priced”

Stitch/Finish/Polish4%

“Beautiful finish”

Coverage3%

“Great coverage”

Durability3%

“I really love the durability”

Value For Money3%

“reasonably priced”

Ease Of Application2%

“Applicator is nice”

Moist/Dry2%

“it dries nicely in a mini uv lamp”

Brightness/Shine/Glow2%

“I also love how shiny”

Ease Of Use2%

“easy to use”

What buyers complain about

Color25%

“Colors do not match”

Durability9%

“Lasted a week”

Moist/Dry7%

“Will not dry”

Quality-Overall6%

“Bad quality”

Thickness5%

“I wish the brush could be thicker as it is very thin”

Advertised Vs Actual Product4%

“False product description & no returns”

Adhesion/Stickiness3%

“the brush was not properly adhered to the top”

Size-Overall3%

“TINY”

Defective Material/Parts3%

“Damaged Product”

Paint Quality2%

“I just need more practice for better painting”

Top return reasons

Color61%
Advertised Vs Actual Product9%
Functionality-Overall6%
Moist/Dry4%
Quality-Overall3%
Value For Money3%
Leak-Proof2%
Product Condition2%
Thickness2%
Texture/Consistency-Overall1%