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58

builder gel

Worth a look

Shows low returns (0.6%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 65Growth 22Conversion 37Competition 81Returns 97Price range 77Avg price 45Brand share 43Review moat 24Quality gap 76

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Competition

Great34%

top-5 click share — an open shelf

Price range

Great£3.23–£56.51

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Market size

Good£621K

£621K/yr · 1.9M searches

Avg price

Okay£11.42

avg listing price — sweet spot $15–$100

Brand share

Okay79%

top-5 brand share — brands hold most of the demand

Conversion

Okay2.9%

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

Review moat

Bad5,228.94

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-5.1%

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

According to Flapen's Amazon United Kingdom niche tracking, builder gel is a £621K/yr Amazon United Kingdom market (1.9M searches/yr). The top 5 brands hold 79% of demand. Verdict: Worth a look — 58/100.

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

builder gel market data

Units sold / yr
50K–60K
avg 1,000–1,250/product
Revenue / yr
£571K–£685K
units × avg price
Conversion rate
2.9%
Avg BSR
#58
Page quality
0%
Prime
100%
Sponsored
90%
Out of stock
5.2%
Avg brand age
36 months
Avg seller age
167 days

Competition & brand share

Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.

Brands

17 rising

Sellers

39

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

34%

Top 20: 78%

Open market

17%

  • MYLEE29%
  • modelones26%
  • BLUESKY12%
  • Saviland7%
  • beetles Gel Polish6%
  • PEACECOLOR4%
  • Open — no brand owns it (11 brands, 17%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -5.1% search growth over the last 90 days.
50K30KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Top builder gel search terms

  • builder gel470K/yr
  • builder gel for nails317K/yr
  • biab nail builder gel293K/yr
  • biab170K/yr
  • biab nail builder gel kit117K/yr
  • builder gel nail kit85K/yr
  • hard gel for nails63K/yr
  • hard gel48K/yr
  • beetles builder gel41K/yr
  • the gel bottle biab37K/yr
All search terms

Top builder gel 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%3%£19K6%£37K9%£56K12%£75K1101001K10K100K 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 builder gel

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

What buyers love

Color17%

“Colour is perfect”

Quality-Overall13%

“Really good quality builder gel”

Ease Of Use12%

“Easy to use”

Ease Of Application10%

“Beautiful Application”

Value For Money7%

“worth the money”

Durability6%

“It creates strong, durable results at home with enough patience and practice”

Thickness4%

“Very thick builder gel”

Advertised Vs Actual Product4%

“Just what I ordered”

Texture/Consistency-Overall2%

“consistent as ever”

Stitch/Finish/Polish2%

“After curing, the finish is glossy and even”

What buyers complain about

Durability12%

“breaks easily”

Adhesion/Stickiness9%

“the adhesion is very poor”

Thickness8%

“The gel is quite thick”

Quality-Overall8%

“Bad quality”

Ease Of Use6%

“Hard to work with”

Color4%

“not a pink as I thought I'd be”

Functionality-Overall3%

“Doesn't work”

Value For Money3%

“Considering the price has now increased”

Size-Overall3%

“Smaller than expected”

Allergies3%

“I had a huge allergic reaction”

Top return reasons

Color19%
Functionality-Overall16%
Quality-Overall9%
Thickness7%
Adhesion/Stickiness6%
Defective Material/Parts4%
Durability4%
Advertised Vs Actual Product4%
Leak-Proof3%
Moist/Dry3%

Common questions

Is builder gel profitable to sell on Amazon United Kingdom?
The niche generates £621K/yr across 48 tracked products. 3 of 8 products launched in the last 360 days are still selling. 90-day search growth is -5.1%. Flapen's verdict: Worth a look (58/100).
How competitive is the builder gel niche?
17 brands and 39 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 79% of demand.
What do buyers complain about in builder gel?
Top complaints mined from reviews: Durability, Adhesion/Stickiness, Thickness. The return rate is 0.6%.
When does demand for builder gel peak?
Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the builder gel niche?
Listings span £3.23–£56.51; the average listing price is £11.42 (sweet spot $15–$100). The average incumbent carries 5,229 reviews — the moat a new listing must climb.