shiny top coat nail polish
Skip itBrand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.4%return rate — above 6% kills the launch gate
Conversion
Great11.1%search→purchase rate — share of searches ending in a sale
Growth
Good+38.3%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Okay$3.34–$22.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay$10.22avg listing price — sweet spot $15–$100
Review moat
Bad5,888.79avg incumbent reviews — the moat a new listing must climb
Competition
Bad79%top-5 click share — a locked-up shelf
Market size
Bad$47K$47K/yr · 41K searches
Brand share
Bad96%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 falling
Sellers
49
Top-5 brand share
96%
Open market
2%
- OPI77%
- Sally Hansen7%
- Glamonade6%
- beetles Gel Polish3%
- OpenLive2%
- L.A. COLORS2%
- Open — no brand owns it (1 brand, 2%)
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 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
OPI Infinite Shine Top Coat | Long Wear Nail Polish Top Coat | Protects Nails High Gloss Shine Prevents Scratches
OPI$13.794.5★902 rev
OPI Infinite Shine 2PC Base Coat Top Coat Duo Pack | Long Wear Nail Polish Value Set | Protects Nails & High Shine Gloss
OPI$22.794.5★1,590 rev
OPI Mirror Shine Top Coat | Nail Polish Top Coat | Brilliant & Glossy High Shine Protects Nails
OPI$14.934.4★1,952 rev
Glamonade Top Coat Nail Polish Clear: Quick Dry Nail Polish No Chip High Shine Long Lasting Glossy Fast Air Dry Top Coat for Nail Art Manicure Salon Quality
Glamonade$6.484.3★1,875 rev
OPI Infinite Shine Base Coat | Long Wear Nail Polish Base Coat | Protects Nails & Prevents Discoloration
OPI$13.624.6★273 rev
Newest
by launch date
OpenLive 16.5ml Top Coat Clear Nail Polish Quick Dry High Gloss Shine Large Volume Top Coat Long Wear and Scratch Resistant for Women Salon DIY Nail Art
OpenLive$6.04340 rev
Glamonade Top Coat Nail Polish Clear: Quick Dry Nail Polish No Chip High Shine Long Lasting Glossy Fast Air Dry Top Coat for Nail Art Manicure Salon Quality
Glamonade$6.481,875 rev
OPI Infinite Shine Top Coat | Long Wear Nail Polish Top Coat | Protects Nails High Gloss Shine Prevents Scratches
OPI$13.79902 rev
OPI Infinite Shine 2PC Base Coat Top Coat Duo Pack | Long Wear Nail Polish Value Set | Protects Nails & High Shine Gloss
OPI$22.791,590 rev
OPI Infinite Shine Bubble Bath | Sheer Nude Pink Crme Long Wear Gel Like Nail Polish | Vegan Long Lasting Streak Free
OPI$14.0410,197 rev
Trending
90-day click momentum
L.A. COLORS Salon Fabulous Nail Treatments Quick Gloss Fast Drying Top Coat CNL522
L.A. COLORS$3.344.6★
Sally Hansen Insta-Dri Dries Instantly Top Coat Quick Dry Long Lasting Streak-Free Shine Clear Nail Polish
Sally Hansen$3.914.6★
OPI Infinite Shine Base Coat | Long Wear Nail Polish Base Coat | Protects Nails & Prevents Discoloration
OPI$13.624.6★
OpenLive 16.5ml Top Coat Clear Nail Polish Quick Dry High Gloss Shine Large Volume Top Coat Long Wear and Scratch Resistant for Women Salon DIY Nail Art
OpenLive$6.044.5★
OPI Infinite Shine 2PC Base Coat Top Coat Duo Pack | Long Wear Nail Polish Value Set | Protects Nails & High Shine Gloss
OPI$22.794.5★
Demand & seasonality
Weekly Amazon search volume, last 62 weeks — +38.3% search growth over the last 90 days.Peak months: Jul, Aug · busiest ÷ quietest = 3.2×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Good Shine”
“Good reliable brand”
“It dries quickly”
“Worth buying”
“Super Durable”
“As advertised”
“its a beautiful glossy finish”
“Dries fast”
“Easy to use”
“Very thick”
What buyers complain about
“Does not last”
“Not the shine that was expected”
“Chips off - Poor quality”
“Doesn't dry well”
“Not worth the price”
“It doesnt do what says it does”
“Entirely different color”
“This arrived thick”
“It also has a very strong chemical smell”
“Title is misleading”