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cosrx cleanser

Skip it

A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Market size 26Growth 16Conversion 96Competition 0Returns 99Price range 0Avg price 48Brand share 0Review moat 10Quality gap 28

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Conversion

Incredible13.8%

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

Avg price

Okay£11.72

avg listing price — sweet spot $15–$100

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Market size

Okay£107K

£107K/yr · 66K searches

Growth

Bad-17.7%

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

Review moat

Bad32,139.75

avg incumbent reviews — the moat a new listing must climb

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Price range

Bad£10.70–£13.62

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

According to Flapen's Amazon United Kingdom niche tracking, cosrx cleanser is a £107K/yr Amazon United Kingdom market (66K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Nov. Verdict: Skip it — 31/100.

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

cosrx cleanser market data

Units sold / yr
5K–6K
avg 1,250–1,500/product
Revenue / yr
£59K–£70K
units × avg price
Conversion rate
13.8%
Avg BSR
#61
Page quality
0%
Prime
100%
Sponsored
75%
Out of stock
0.0%
Avg brand age
56 months
Avg seller age
151 days

Competition & brand share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

1 falling

Sellers

47

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

0%

  • COSRX100%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 84 weeks — -17.7% search growth over the last 90 days.
2K1KSpike '25Prime Day '25Black Friday '25Spike '26DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Nov · busiest ÷ quietest = 1.5×

Top cosrx cleanser search terms

  • cosrx cleanser27K/yr
  • cosrx low ph good morning gel cleanser13K/yr
  • cosrx face wash11K/yr
  • cosrx salicylic acid daily gentle cleanser8K/yr
  • cosrx salicylic acid cleanser5K/yr
  • low ph good morning cleanser2K/yr
All search terms

Top cosrx cleanser 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%20%£21K40%£43K60%£64K80%£85K1001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 4 tracked products in this niche — three views at once, no toggling.

What buyers say about cosrx cleanser

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

What buyers love

Moist/Dry18%

“A good moisturiser”

Suitability Combination Skin15%

“This worked really well for my skin”

Quality-Overall14%

“Better than more expensive products”

Value For Money11%

“Worth the money”

Soft Feel8%

“Soft skin”

Suitability Dry Skin6%

“It corrected the dry patches on my face”

Brightness/Shine/Glow4%

“Skin shine”

Absorbency4%

“Easily absorbed”

Cleansing3%

“It cleanser the skin very well”

Efficiency3%

“The cosrx is effective”

What buyers complain about

Moist/Dry23%

“honestly I dont find this has been very moisturising at all”

Allergies14%

“Allergic reaction”

Suitability Dry Skin9%

“this doesnt really do anything other than dry it out”

Sensitivity-Overall7%

“Terrible for sensitive skin”

Functionality-Overall6%

“does not work”

Skin Health4%

“burns skin feeling I got dries it out to don't get why it has so many reviews”

Absorbency4%

“Its light weight absorbs in no time after applying”

Value For Money3%

“Not good value for money for me”

Durability3%

“didnt last long”

Ingredients-Overall3%

“Didn't like the name of the ingredients”

Top return reasons

Leak-Proof11%
Functionality-Overall9%
Motor Power8%
Advertised Vs Actual Product8%
Dilute/Watery7%
Value For Money6%
Suitability Combination Skin6%
Quality-Overall6%
Moist/Dry5%
Suitability Dry Skin5%

Common questions

Is cosrx cleanser profitable to sell on Amazon United Kingdom?
The niche generates £107K/yr across 4 tracked products. 90-day search growth is -17.7%. Flapen's verdict: Skip it (31/100).
How competitive is the cosrx cleanser niche?
1 brands and 47 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in cosrx cleanser?
Top complaints mined from reviews: Moist/Dry, Allergies, Suitability Dry Skin. The return rate is 0.3%.
When does demand for cosrx cleanser peak?
Demand peaks in Nov; the busiest month runs 1.5× the quietest.
What does it cost to enter the cosrx cleanser niche?
Listings span £10.70–£13.62; the average listing price is £11.72 (sweet spot $15–$100). The average incumbent carries 32,140 reviews — the moat a new listing must climb.