---
title: "Nail Polish Thinner — $255K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/nail-polish-thinner"
last_updated: "2026-08-11T06:59:49.535Z"
locale: en
meta:
description: "Niche score 47/100 · $255K/yr market · 355K searches/yr · $7.76 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $255K/yr market · 355K searches/yr · $7.76 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Nail Polish Thinner — $255K/yr Amazon US Niche (2026) - Flapen"
---
# **nail polish thinner**
**Skip it**
Prices mostly outside the sweet spot ($2.51–$10.41) — this niche doesn't clear our bar today.
Market size 47Growth 59Conversion 84Competition 14Returns 100Price range 0Avg price 22Brand share 19Review moat 44Quality gap 50
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****9.3%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Good****+34.8%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Good****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****$255K**
$255K/yr · 355K searches
**Review moat**
**Okay****2,102.7**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Bad****$7.76**
avg listing price — sweet spot $15–$100
**Brand share**
**Bad****92%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****84%**
top-5 click share — a locked-up shelf
**Price range**
**Bad****$2.51–$10.41**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, nail polish thinner is a $255K/yr Amazon United States market (355K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Jun. Verdict: Skip it — 47/100.
Data updated Jul 13, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **nail polish thinner market data**
- **Units sold / yr**
- **30K–40K**
- avg 2,000–2,500/product
- **Revenue / yr**
- **$233K–$310K**
- units × avg price
- **Conversion rate**
- **9.3%**
- **Avg BSR**
- **#363**
- **Page quality**
- **0%**
- **Prime**
- **80%**
- **Sponsored**
- **60%**
- **Out of stock**
- **6.7%**
- **Avg brand age**
- **72 months**
- **Avg seller age**
- **166 days**
## **Competition & brand share**
The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▼falling
**Sellers**
**45**
**Top-5 brand share**
**92%**
Top 20: 100%
**Top-5 click share**
**84%**
Top 20: 100%
**Open market**
**5%**
- Seche45% - Karlash19% - SuperNail11% - Tachibelle11% - Orly7% - JODSONE3% - Open — no brand owns it (2 brands, 5%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +34.8% search growth over the last 90 days.
10K6KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jun · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/nail-polish-thinner/trend)
## **Top nail polish thinner search terms**
- **nail polish thinner**223K/yr+39.5%8.7% conv. - **nail polish thinner with dropper**35K/yr+8.3%12.5% conv. - **nail polish thinner opi**10K/yr+80.2%5.8% conv. - **seche restore**18K/yr+1.1%10.3% conv. - **polish thinner**9K/yr+47.3%6.5% conv. - **opi nail polish thinner**9K/yr+34.5%4.9% conv. - **opi nail lacquer thinner**6K/yr+67.2%6.1% conv. - **nail lacquer thinner**6K/yr+55.2%6.9% conv. - **seche restore nail polish thinner**7K/yr+35.9%12.2% conv. - **nail polish thinner for thick polish**5K/yr+80.6%8.3% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/nail-polish-thinner/search-terms)
## **Top nail polish thinner products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$26K20%$51K30%$77K40%$102K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Seche Restore Top Coat - Nail Polish Thinner Revive Thickened Lacquer Nail Lacquer Thinner Extends Manicure Life 0.5 Fl Oz**Seche**$7.97**4.7★4,221 rev](https://www.amazon.com/dp/B0017ZDH52) [2**Karlash Professional Nail Polish Thinner 0.5 oz - Restore thick and sticky nail polish (1 Piece)**Karlash**$8.44**4.4★748 rev](https://www.amazon.com/dp/B091MH7732) [3**Seche Restore Top Coat - Nail Polish Thinner Revive Thickened Nail Lacquer Extends Manicure Life 2 Fl Oz**Seche**$10.41**4.7★4,221 rev](https://www.amazon.com/dp/B0016A8DT8) [4**Tachibelle Nail Polish Thinner - Bring your old polishes back to life (1 Bottle)**Tachibelle**$8.97**4.2★1,499 rev](https://www.amazon.com/dp/B091M7DWNF) [5**SuperNail Gel Nail Polish Thinner for Professional Salons Revives Thickened Lacquer and Restores Smooth Consistency Acetone Alternative 4 fl oz**SuperNail**$8.39**4.5★3,110 rev](https://www.amazon.com/dp/B000142ZFS)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**JODSONE 100ml Gel Nail Polish Thinner for Nail Spray for Gel Nail Polish Quick Dilution and Cleaning High-Efficiency Maintenance Larger Capacity Easy of Use DIY Nails Art Precision Dropper Design**JODSONE**$7.87**31 rev8mo ago](https://www.amazon.com/dp/B0G25S1BNX) [**Karlash Professional Nail Polish Thinner 0.5 oz - Restore thick and sticky nail polish (1 Piece)**Karlash**$8.44**748 rev5y ago](https://www.amazon.com/dp/B091MH7732) [**Tachibelle Nail Polish Thinner - Bring your old polishes back to life (1 Bottle)**Tachibelle**$8.97**1,499 rev5y ago](https://www.amazon.com/dp/B091M7DWNF) [**Seche Restore Top Coat - Nail Polish Thinner Revive Thickened Lacquer Nail Lacquer Thinner Extends Manicure Life 0.5 Fl Oz**Seche**$7.97**4,221 rev8y ago](https://www.amazon.com/dp/B0017ZDH52) [**Vallejo Thinner Medium 17 ml**Vallejo**$7.13**1,243 rev15y ago](https://www.amazon.com/dp/B000KYLBZE)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**JODSONE 100ml Gel Nail Polish Thinner for Nail Spray for Gel Nail Polish Quick Dilution and Cleaning High-Efficiency Maintenance Larger Capacity Easy of Use DIY Nails Art Precision Dropper Design**JODSONE**$7.87**4.2★**▲ 119%**](https://www.amazon.com/dp/B0G25S1BNX) [**Karlash Professional Nail Polish Thinner 0.5 oz - Restore thick and sticky nail polish (1 Piece)**Karlash**$8.44**4.4★**▲ 65%**](https://www.amazon.com/dp/B091MH7732) [**Seche Restore Top Coat - Nail Polish Thinner Revive Thickened Lacquer Nail Lacquer Thinner Extends Manicure Life 0.5 Fl Oz**Seche**$7.97**4.7★**▲ 36%**](https://www.amazon.com/dp/B0017ZDH52) [**Vallejo Thinner Medium 17 ml**Vallejo**$7.13**4.3★**▲ 11%**](https://www.amazon.com/dp/B000KYLBZE) [**Supernail Thinner 1 Fluid Ounce**SuperNail**$2.51**4.4★**— 7%**](https://www.amazon.com/dp/B00ABN19BA)
**~~View all trending →~~**
## **What buyers say about nail polish thinner**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**15%
*“No complaints”*
**Advertised Vs Actual Product**15%
*“Worked just as advertised”*
**Thickness**14%
*“Thins well”*
**Efficiency**10%
*“Effective”*
**Value For Money**9%
*“very affordable”*
**Ease Of Use**6%
*“easy to work with”*
**Durability**3%
*“durable as when it was new”*
**Color**3%
*“This has worked for all of my colors”*
**Brightness/Shine/Glow**2%
*“Great for refreshing old or glittery polishes”*
**Size-Overall**2%
*“its a pretty good size”*
### **What buyers complain about **
**Thickness**18%
*“Some became chunky like rotten milk”*
**Functionality-Overall**13%
*“Doesn't work”*
**Smell**7%
*“Strong Smell”*
**Moist/Dry**7%
*“it never fully dried”*
**Leak-Proof**7%
*“Arrived leaking,”*
**Value For Money**6%
*“WASTE OF MONEY”*
**Paint Quality**5%
*“Made polish in worse condition”*
**Ingredients-Overall**4%
*“I didn't think much of it because of how common of an ingredient is”*
**Size-Overall**4%
*“the bottle was 2-3 times larger”*
**Instructions/User Manual/Troubleshooting**3%
*“works ok if we had directions”*
### **Top return reasons **
**Thickness**36%
**Advertised Vs Actual Product**20%
**Thin**19%
**Functionality-Overall**8%
**Size-Overall**5%
**Leak-Proof**4%
**Color**4%
**Compatibility-Overall**3%
**Material Quality**2%
## **Common questions**
- **Is nail polish thinner profitable to sell on Amazon United States?**
- The niche generates $255K/yr across 10 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +34.8%. Flapen's verdict: Skip it (47/100).
- **How competitive is the nail polish thinner niche?**
- 8 brands and 45 sellers compete. The top 5 products take 84% of clicks and top 5 brands hold 92% of demand.
- **What do buyers complain about in nail polish thinner?**
- Top complaints mined from reviews: Thickness, Functionality-Overall, Smell. The return rate is 0.1%.
- **When does demand for nail polish thinner peak?**
- Demand peaks in Jun; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the nail polish thinner niche?**
- Listings span $2.51–$10.41; the average listing price is $7.76 (sweet spot $15–$100). The average incumbent carries 2,103 reviews — the moat a new listing must climb.
## **Related niches in Beauty & Personal Care**
- 75 [**bio oil lotion**](https://flapen.com/research/us/beauty-personal-care/bio-oil-lotion)$654K/yr+95.9%**Worth a look**- 75 [**glossier futuredew serum**](https://flapen.com/research/us/beauty-personal-care/glossier-futuredew-serum)$344K/yr+383.6%**Worth a look**- 75 [**press on toenails**](https://flapen.com/research/us/beauty-personal-care/press-on-toenails)$2.4M/yr+79.4%**Launch it**- 75 [**skulta deep peptide eye mask**](https://flapen.com/research/us/beauty-personal-care/skulta-deep-peptide-eye-mask)$58K/yr>1,000%**Worth a look**- 75 [**mineral sunscreen spray**](https://flapen.com/research/us/beauty-personal-care/mineral-sunscreen-spray)$3.8M/yr+183.8%**Launch it**- 76 [**collagen oil**](https://flapen.com/research/us/beauty-personal-care/collagen-oil)$344K/yr+116.2%**Worth a look**[**All Beauty & Personal Care niches **](https://flapen.com/research/us/beauty-personal-care)