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sulphur soap

Skip it

Prices mostly outside the sweet spot ($4.17–$8.45) — this niche doesn't clear our bar today.

Market size 17Growth 10Conversion 88Competition 15Returns 100Price range 0Avg price 19Brand share 29Review moat 36Quality gap 77

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great10.3%

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Review moat

Okay2,932.22

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay88%

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

Avg price

Bad£6.66

avg listing price — sweet spot $15–$100

Market size

Bad£69K

£69K/yr · 101K searches

Competition

Bad82%

top-5 click share — a locked-up shelf

Growth

Bad-29.3%

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

Price range

Bad£4.17–£8.45

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

According to Flapen's Amazon United Kingdom niche tracking, sulphur soap is a £69K/yr Amazon United Kingdom market (101K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Feb. Verdict: Skip it — 38/100.

Data updated Jul 18, 2026 · scored weekly · How we score niches

sulphur soap market data

Units sold / yr
8K–10K
avg 750–1,000/product
Revenue / yr
£53K–£67K
units × avg price
Conversion rate
10.3%
Avg BSR
#75
Page quality
0%
Prime
100%
Sponsored
78%
Out of stock
1.5%
Avg brand age
63 months
Avg seller age
166 days

Competition & brand share

The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 falling

Sellers

20

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

82%

Top 20: 100%

Open market

7%

  • Revitale47%
  • Asepso15%
  • The English Soap Company12%
  • Dr.Ancient8%
  • V55 MAX6%
  • AKSOY5%
  • Open — no brand owns it (2 brands, 7%)

Demand & seasonality

Weekly Amazon search volume, last 88 weeks — -29.3% search growth over the last 90 days.
5K3KSpike '25Spike '26DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Feb · busiest ÷ quietest = 2.1×

Top sulphur soap search terms

  • sulphur soap54K/yr
  • sulfur soap17K/yr
  • sulfur soap bar16K/yr
  • sulphur face wash6K/yr
  • sulphur soap bar5K/yr
  • sulfur face wash4K/yr
All search terms

Top sulphur soap 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%15%£10K30%£21K45%£31K60%£41K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

What buyers say about sulphur soap

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

What buyers love

Quality-Overall18%

“Quality Soap, this wasn't my preferred choice fof Salicylic Acid Soap but was a good substitute.”

Smell11%

“Smells nice”

Cleansing9%

“Leaves skin feeling squeaky clean”

Suitability Combination Skin8%

“it honestly made a noticeable difference to my skin”

Lather8%

“Soft lather”

Soft Feel6%

“Soft and smells nice”

Efficiency5%

“Works well”

Value For Money4%

“it is so worth it”

Advertised Vs Actual Product3%

“Do The job”

Suitability Oily Skin3%

“Good facial soap for oily skin”

What buyers complain about

Smell25%

“Smelly”

Allergies11%

“Perorial Dermatitis”

Size-Overall5%

“there smaller in size”

Symptom Reduction5%

“Didn't help me”

Balance/Stability3%

“I think you have a stability issue”

Lather3%

“This soap doesn't lather up much”

Suitability Combination Skin3%

“Not very effective for skin issues”

Skin Health3%

“To harsh for face”

Sensitivity-Overall3%

“Not for sensitive skin”

Suitability Dry Skin3%

“May not be suitable for sensitive skin”

Top return reasons

Leak-Proof33%
Smell33%
Value For Money33%

Common questions

Is sulphur soap profitable to sell on Amazon United Kingdom?
The niche generates £69K/yr across 9 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -29.3%. Flapen's verdict: Skip it (38/100).
How competitive is the sulphur soap niche?
8 brands and 20 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 88% of demand.
What do buyers complain about in sulphur soap?
Top complaints mined from reviews: Smell, Allergies, Size-Overall. The return rate is 0.1%.
When does demand for sulphur soap peak?
Demand peaks in Feb; the busiest month runs 2.1× the quietest.
What does it cost to enter the sulphur soap niche?
Listings span £4.17–£8.45; the average listing price is £6.66 (sweet spot $15–$100). The average incumbent carries 2,932 reviews — the moat a new listing must climb.