top coat nail polish
Skip itPrices mostly outside the sweet spot ($2.11–$14.93) — this niche doesn't clear our bar today.
Returns
Incredible0.2%return rate — above 6% kills the launch gate
Conversion
Incredible14.8%search→purchase rate — share of searches ending in a sale
Market size
Good$727K$727K/yr · 571K searches
Growth
Okay+18.2%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Avg price
Bad$8.60avg listing price — sweet spot $15–$100
Review moat
Bad10,278.17avg incumbent reviews — the moat a new listing must climb
Brand share
Bad96%top-5 brand share — brand-locked demand
Price range
Bad$2.11–$14.93cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.Brands
7 rising
Sellers
86
Top-5 brand share
96%
Open market
2%
- OPI57%
- Sally Hansen27%
- Glamonade7%
- Seche3%
- OpenLive2%
- GAOY2%
- 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 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
OPI Top Coat | Nail Polish Top Coat | Prevents Chipping Protects Nails High Gloss Shine
OPI$10.274.7★24,271 rev
Sally Hansen Insta-Dri Dries Instantly Top Coat Quick Dry Long Lasting Streak-Free Shine Clear Nail Polish
Sally Hansen$3.914.6★16,455 rev
OPI RapiDry Nail Polish Top Coat | Quick Drying Top Coat | Quick Dry High Shine & Glossy Protects Nails
OPI$14.454.7★1,603 rev
Sally Hansen Double Duty Base and Top Coat Quick Dry Long Lasting Streak-Free Shine Clear Nail Polish
Sally Hansen$3.944.6★14,758 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
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 Base Top Coat Nail Polish: 2 in 1 Clear High Shine Quick Dry Nail Polish Color Protection Long Lasting Polish Resists Smudging Chipping Fading Fast Air Dry Nail Coat for Women
Glamonade$7.76216 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 RapiDry Nail Polish Top Coat | Quick Drying Top Coat | Quick Dry High Shine & Glossy Protects Nails
OPI$14.451,603 rev
Trending
90-day click momentum
Sally Hansen Hard as Nails Nail Polish Crystal Clear 0.45 Fluid Ounce
Sally Hansen$2.114.4★
OPI RapiDry Nail Polish Top Coat | Quick Drying Top Coat | Quick Dry High Shine & Glossy Protects Nails
OPI$14.454.7★
Glamonade Base Top Coat Nail Polish: 2 in 1 Clear High Shine Quick Dry Nail Polish Color Protection Long Lasting Polish Resists Smudging Chipping Fading Fast Air Dry Nail Coat for Women
Glamonade$7.764.6★
Sally Hansen Insta-Dri Dries Instantly Top Coat Quick Dry Long Lasting Streak-Free Shine Clear Nail Polish
Sally Hansen$3.914.6★
OPI Mirror Shine Top Coat | Nail Polish Top Coat | Brilliant & Glossy High Shine Protects Nails
OPI$14.934.4★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +18.2% search growth over the last 90 days.Peak months: Aug, Sep, Oct, Nov · busiest ÷ quietest = 6.6×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Beautiful shine”
“Dries fast”
“Worth the money”
“Very durable”
“Perfect finish”
“As advertised”
“Fast drying and smooth”
“Easy to use”
“easy application”
What buyers complain about
“doesn't last”
“What happened to quality control”
“its so dry”
“No shine”
“This is expensive and awful”
“Strong smell”
“It doesnt get thick”
“This product is not effective at all”
“you really cant do anything for a couple of hours or else the nail polish might get some prints on it”
“Wrong description”