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.

nail polish thinner

Skip it

Prices mostly outside the sweet spot ($2.51–$10.41) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great9.3%

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

Good4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$255K

$255K/yr · 355K searches

Review moat

Okay2,102.7

avg incumbent reviews — the moat a new listing must climb

Avg price

Bad$7.76

avg listing price — sweet spot $15–$100

Brand share

Bad92%

top-5 brand share — brand-locked demand

Competition

Bad84%

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

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

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

84%

Top 20: 100%

Open market

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.

Peak months: Jun · busiest ÷ quietest = 1.8×

Open Trend

Top nail polish thinner search terms

nail polish thinner223K/yr +39.5%8.7% conv.
nail polish thinner with dropper35K/yr +8.3%12.5% conv.
nail polish thinner opi10K/yr +80.2%5.8% conv.
seche restore18K/yr +1.1%10.3% conv.
polish thinner9K/yr +47.3%6.5% conv.
opi nail polish thinner9K/yr +34.5%4.9% conv.
opi nail lacquer thinner6K/yr +67.2%6.1% conv.
nail lacquer thinner6K/yr +55.2%6.9% conv.
seche restore nail polish thinner7K/yr +35.9%12.2% conv.
nail polish thinner for thick polish5K/yr +80.6%8.3% conv.

All 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.

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

Seche Restore Top Coat - Nail Polish Thinner Revive Thickened Lacquer Nail Lacquer Thinner Extends Manicure Life 0.5 Fl Oz

Seche$7.974.7★4,221 rev

Karlash Professional Nail Polish Thinner 0.5 oz - Restore thick and sticky nail polish (1 Piece)

Karlash$8.444.4★748 rev

Seche Restore Top Coat - Nail Polish Thinner Revive Thickened Nail Lacquer Extends Manicure Life 2 Fl Oz

Seche$10.414.7★4,221 rev

Tachibelle Nail Polish Thinner - Bring your old polishes back to life (1 Bottle)

Tachibelle$8.974.2★1,499 rev

SuperNail Gel Nail Polish Thinner for Professional Salons Revives Thickened Lacquer and Restores Smooth Consistency Acetone Alternative 4 fl oz

SuperNail$8.394.5★3,110 rev

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$7.8731 rev

8mo ago

Karlash Professional Nail Polish Thinner 0.5 oz - Restore thick and sticky nail polish (1 Piece)

Karlash$8.44748 rev

5y ago

Tachibelle Nail Polish Thinner - Bring your old polishes back to life (1 Bottle)

Tachibelle$8.971,499 rev

5y ago

Seche Restore Top Coat - Nail Polish Thinner Revive Thickened Lacquer Nail Lacquer Thinner Extends Manicure Life 0.5 Fl Oz

Seche$7.974,221 rev

8y ago

Vallejo Thinner Medium 17 ml

Vallejo$7.131,243 rev

15y ago

What buyers say about nail polish thinner

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall15%

“No complaints”

Advertised Vs Actual Product15%

“Worked just as advertised”

Thickness14%

“Thins well”

Efficiency10%

“Effective”

Value For Money9%

“very affordable”

Ease Of Use6%

“easy to work with”

Durability3%

“durable as when it was new”

Color3%

“This has worked for all of my colors”

Brightness/Shine/Glow2%

“Great for refreshing old or glittery polishes”

Size-Overall2%

“its a pretty good size”

What buyers complain about

Thickness18%

“Some became chunky like rotten milk”

Functionality-Overall13%

“Doesn't work”

Smell7%

“Strong Smell”

Moist/Dry7%

“it never fully dried”

Leak-Proof7%

“Arrived leaking,”

Value For Money6%

“WASTE OF MONEY”

Paint Quality5%

“Made polish in worse condition”

Ingredients-Overall4%

“I didn't think much of it because of how common of an ingredient is”

Size-Overall4%

“the bottle was 2-3 times larger”

Instructions/User Manual/Troubleshooting3%

“works ok if we had directions”

Top return reasons

Thickness36%

Advertised Vs Actual Product20%

Thin19%

Functionality-Overall8%

Size-Overall5%

Leak-Proof4%

Color4%

Compatibility-Overall3%

Material Quality2%

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.