Skip to content
52

top coat

Worth a look

Shows low returns (0.1%), but prices mostly outside the sweet spot ($2.21–$8.40) keeps it on the watch list.

Market size 37Growth 55Conversion 79Competition 63Returns 99Price range 0Avg price 12Brand share 24Review moat 23Quality gap 68

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great7.9%

search→purchase rate — share of searches ending in a sale

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Competition

Good47%

top-5 click share — leaders hold, buyers still browse

Growth

Good+28.1%

90-day search growth — must beat 0% to launch

Market size

Okay£186K

£186K/yr · 570K searches

Brand share

Bad91%

top-5 brand share — brand-locked demand

Review moat

Bad8,464.87

avg incumbent reviews — the moat a new listing must climb

Avg price

Bad£4.14

avg listing price — sweet spot $15–$100

Price range

Bad£2.21–£8.40

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United Kingdom niche tracking, top coat is a £186K/yr Amazon United Kingdom market (570K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Dec. Verdict: Worth a look — 52/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

top coat market data

Units sold / yr
40K–50K
avg 750–1,000/product
Revenue / yr
£166K–£207K
units × avg price
Conversion rate
7.9%
Avg BSR
#108
Page quality
0%
Prime
100%
Sponsored
42%
Out of stock
7.4%
Avg brand age
51 months
Avg seller age
155 days

Competition & brand share

The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 rising

Sellers

108

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

47%

Top 20: 82%

Open market

8%

  • Barry M48%
  • Sally Hansen23%
  • Rimmel16%
  • MYLEE2%
  • AuraAnge2%
  • Seche2%
  • Open — no brand owns it (8 brands, 8%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +28.1% search growth over the last 90 days.
18K13KSpike '24Holiday '24Spike '25Black Friday '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 1.6×

Top top coat search terms

  • barry m nail polish186K/yr
  • top coat nail polish152K/yr
  • sally hansen insta dri nail polish42K/yr
  • barry m gelly nail polish33K/yr
  • nail top coat25K/yr
  • nail polish top coat18K/yr
  • clear top coat nail polish14K/yr
  • quick dry top coat nail polish11K/yr
  • nail varnish top coat10K/yr
  • gelly nail polish10K/yr
All search terms

Top top coat 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%4%£7K8%£15K12%£22K16%£30K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about top coat

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

What buyers love

Quality-Overall18%

“Excellent product”

Brightness/Shine/Glow11%

“Long lasting shine”

Value For Money10%

“Good value”

Moist/Dry9%

“Fast dry”

Advertised Vs Actual Product8%

“As advertised”

Durability6%

“Been using it for years”

Stitch/Finish/Polish5%

“The finish is beautifully glossy”

Color5%

“Nice consistency and clear colour”

Drying Time4%

“Love this nail varnish drys so quickly easy to use great value and it works”

Ease Of Application3%

“Easy to apply”

What buyers complain about

Durability13%

“it doesnt last”

Color9%

“The colour does not look like the picture”

Brightness/Shine/Glow7%

“Not super shine more like dull shine”

Thickness6%

“Very thick and hard to spread evenly”

Moist/Dry6%

“2 coats never dry”

Quality-Overall5%

“However the formula is poor”

Value For Money5%

“Not worth the”

Ease Of Application3%

“need several applications”

Functionality-Overall3%

“Expected better from Barry m - 5 hours and chipped already”

Paint Quality3%

“Top coat peeled off after 2 days”

Top return reasons

Color25%
Functionality-Overall14%
Advertised Vs Actual Product9%
Leak-Proof7%
Quality-Overall7%
Moist/Dry4%
Durability4%
Paint Quality4%
Value For Money4%
Defective Material/Parts3%

Common questions

Is top coat profitable to sell on Amazon United Kingdom?
The niche generates £186K/yr across 38 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +28.1%. Flapen's verdict: Worth a look (52/100).
How competitive is the top coat niche?
14 brands and 108 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 91% of demand.
What do buyers complain about in top coat?
Top complaints mined from reviews: Durability, Color, Brightness/Shine/Glow. The return rate is 0.1%.
When does demand for top coat peak?
Demand peaks in Dec; the busiest month runs 1.6× the quietest.
What does it cost to enter the top coat niche?
Listings span £2.21–£8.40; the average listing price is £4.14 (sweet spot $15–$100). The average incumbent carries 8,465 reviews — the moat a new listing must climb.