black nail polish
Skip itPrices mostly outside the sweet spot ($1.34–$11.30) — this niche doesn't clear our bar today.
Returns
Incredible0.5%return rate — above 6% kills the launch gate
Conversion
Great11.5%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Good$494K$494K/yr · 808K searches
Growth
Okay+7.2%90-day search growth — must beat 0% to launch
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Competition
Bad74%top-5 click share — a locked-up shelf
Avg price
Bad$5.33avg listing price — sweet spot $15–$100
Review moat
Bad24,572.83avg incumbent reviews — the moat a new listing must climb
Price range
Bad$1.34–$11.30cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 falling
Sellers
80
Top-5 brand share
86%
Open market
8%
- Sally Hansen46%
- OPI17%
- OpenLive8%
- wet n wild7%
- beetles Gel Polish7%
- AZUREBEAUTY7%
- Open — no brand owns it (3 brands, 8%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Sally Hansen Hard as Nails Black Heart Long Lasting Chip Resistant Opaque Shiny Black Nail Polish
Sally Hansen$2.294.4★28,405 rev
OPI Nail Lacquer Opaque & Vibrant Crme Finish Black Nail Polish Up to 7 Days of Wear Chip Resistant & Fast Drying Black Onyx 0.5 fl oz
OPI$11.304.6★91,450 rev
Sally Hansen Insta-Dri Back to Black Quick Dry Long Lasting Opaque ShinyBlack Nail Polish
Sally Hansen$5.914.5★19,800 rev
OpenLive 16.5ml Black Nail Polish Large Volume Quick Drying Nail Polish Fast Drying and Long Lasting Color Nail Art DIY Home Manicure Gift for Women
OpenLive$6.004.1★3,684 rev
Beetles Black Gel Polish 15ml Soak-Off UV LED Audrey Black Gel Nail Polish for DIY Nails Art & Salon-Style Manicures
beetles Gel Polish$6.224.4★53,698 rev
Newest
by launch dateOpenLive 16.5ml Black Nail Polish Large Volume Quick Drying Nail Polish Fast Drying and Long Lasting Color Nail Art DIY Home Manicure Gift for Women
OpenLive$6.003,684 rev
CANNI Black Gel Nail Polish 1Pcs Pure Black Color High Gloss Soak Off UV Gel Polish Nail French Manicure Salon DIY
CANNI$5.978,529 rev
AZUREBEAUTY Black Nail Polish 10ml Natural Glossy DIY Mani Pedi at Home
AZUREBEAUTY$5.812,546 rev
TOMICCA Black Gel Nail Polish 15ml Black Nail Polish Fast Dry Soak Off UV LED Cure Needed Pure Color Long Lasting Nail Art Manicure Salon DIY Design
TOMICCA$5.922,464 rev
Sally Hansen Xtreme Wear Nail Polish Streak-Free Shiny Finish Long-Lasting Nail Color Black Out 0.40 fl oz
Sally Hansen$3.4954,936 rev
Trending
90-day click momentumCANNI Black Gel Nail Polish 1Pcs Pure Black Color High Gloss Soak Off UV Gel Polish Nail French Manicure Salon DIY
CANNI$5.974.3★
wet n wild Wild Shine Nail Polish Black Crme Nail Color
wet n wild$1.354.3★
TOMICCA Black Gel Nail Polish 15ml Black Nail Polish Fast Dry Soak Off UV LED Cure Needed Pure Color Long Lasting Nail Art Manicure Salon DIY Design
TOMICCA$5.924.3★
AZUREBEAUTY Black Nail Polish 10ml Natural Glossy DIY Mani Pedi at Home
AZUREBEAUTY$5.814.2★
Sally Hansen Insta-Dri Back to Black Quick Dry Long Lasting Opaque ShinyBlack Nail Polish
Sally Hansen$5.914.5★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +7.2% search growth over the last 90 days.Peak months: Oct · busiest ÷ quietest = 2.2×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Good color”
“I think Beetles is a super good brand if you're on a budget”
“Good for the Price”
“Dries fast”
“This drys pretty well, fairly quick”
“Two weeks and going strong”
“It does the job”
“Works fine”
“gives a very professional finish”
“Nice coverage”
What buyers complain about
“Definitely not insta dry”
“its like too thick”
“Fell off nails”
“Cheap quality”
“Waste of money”
“not sure how the brush passed QA - theres so many stray hairs sticking out making painting a mess”
“it just doesnt last like their other colors”
“Couldnt even open”
“Watery”
“does not smooth out well”