opi top coat
Skip itPrices mostly outside the sweet spot ($1.92–$14.45) — this niche doesn't clear our bar today.
Returns
Incredible0.4%return rate — above 6% kills the launch gate
Conversion
Great11.3%search→purchase rate — share of searches ending in a sale
Competition
Good54%top-5 click share — leaders hold, buyers still browse
Growth
Okay+18.0%90-day search growth — must beat 0% to launch
Market size
Okay$187K$187K/yr · 201K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay89%top-5 brand share — brands hold most of the demand
Avg price
Bad$8.24avg listing price — sweet spot $15–$100
Review moat
Bad12,078.43avg incumbent reviews — the moat a new listing must climb
Price range
Bad$1.92–$14.45cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.Brands
13 falling
Sellers
121
Top-5 brand share
89%
Open market
8%
- Sally Hansen37%
- OPI24%
- Glamonade14%
- Seche9%
- essie6%
- OpenLive2%
- Open — no brand owns it (7 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 28 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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 Top Coat | Nail Polish Top Coat | Prevents Chipping Protects Nails High Gloss Shine
OPI$10.274.7★24,271 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
Seche Vite Dry Fast Top Coat Quick Dry Clear Nail Polish Top Coat for High Gloss Shine Long-Lasting Manicure Made in the USA 0.5 fl oz
Seche$6.894.6★34,461 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
Newest
by launch date
Morovan Top Coat Nail Polish Clear: quick dry top coat. Fast drying nail polish efficient formula
Morovan$7.9138 rev
Glamonade 3-In-1 Clear Nail Polish: Quick Dry Top Coat Prevent Staining Base Coat & Nail Strengthener High Gloss Long Lasting No Chip Shield Nail Hardener for Weak Nails DIY Manicure for Women 12ml
Glamonade$8.9760 rev
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
Trending
90-day click momentumMorovan Top Coat Nail Polish Clear: quick dry top coat. Fast drying nail polish efficient formula
Morovan$7.914.2★
Glamonade 3-In-1 Clear Nail Polish: Quick Dry Top Coat Prevent Staining Base Coat & Nail Strengthener High Gloss Long Lasting No Chip Shield Nail Hardener for Weak Nails DIY Manicure for Women 12ml
Glamonade$8.974.5★
Sally Hansen Hard as Nails Nail Polish Crystal Clear 0.45 Fluid Ounce
Sally Hansen$2.114.4★
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★
Demand & seasonality
Weekly Amazon search volume, last 97 weeks — +18.0% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 2.1×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“the base is of good quality”
“Dries fast”
“High Shine”
“Worth the money”
“Super Durable”
“The finish is very glossy”
“As advertised”
“Easy to use”
“Dries fast”
“it was effective”
What buyers complain about
“Didnt last”
“Doent like to dry”
“Cheap product and bad quality”
“Strong smell”
“not worth the price in my opinion”
“It doesnt get thick”
“Allergic”
“However does not work well for my intended use”
“Shine doesnt last”
“Can't use it”