---
title: "Cosrx Cleanser — £107K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/beauty/cosrx-cleanser"
last_updated: "2026-08-09T14:07:20.939Z"
locale: en
meta:
description: "Niche score 31/100 · £107K/yr market · 66K searches/yr · £11.72 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 31/100 · £107K/yr market · 66K searches/yr · £11.72 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Cosrx Cleanser — £107K/yr Amazon UK Niche (2026) - Flapen"
---
# **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**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****13.8%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Okay****£11.72**
avg listing price — sweet spot $15–$100
**Quality gap**
**Okay****4.6★**
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**
**Bad****32,139.75**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
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 ~~](https://flapen.com/research/methodology)
## **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 '26 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Nov · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/uk/beauty/cosrx-cleanser/trend)
## **Top cosrx cleanser search terms**
- **cosrx cleanser**27K/yr-5.5%6.9% conv. - **cosrx low ph good morning gel cleanser**13K/yr-24.3%11.5% conv. - **cosrx face wash**11K/yr+8.9%7.5% conv. - **cosrx salicylic acid daily gentle cleanser**8K/yr-7.7%1.4% conv. - **cosrx salicylic acid cleanser**5K/yr-70.0%0.9% conv. - **low ph good morning cleanser**2K/yr-86.2%14.3% conv. [**All search terms **](https://flapen.com/research/uk/beauty/cosrx-cleanser/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 moatMarket 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.
### **Top sellers**
by 90-day click share
[1**COSRX Low pH Good Morning Gel Cleanser 5.07 fl.oz / 150ml | Mild Face Cleanser | Korean Skin Care for Acne Prone Skin PH Balancing Anti Acne Breakouts Treatment**COSRX**£10.70**4.6★19,566 rev](https://www.amazon.co.uk/dp/B016NRXO06) [2**COSRX Advanced Snail Mucin Gel Cleanser 5.07 Fl Oz / 150 mL | Rich Daily Deep Cleansing Gel for Dry & Sensitive Skin | Korean Skincare Not Tested on Animals No Parabens**COSRX**£13.62**4.6★4,610 rev](https://www.amazon.co.uk/dp/B08H6PHF2N) [3**COSRX AC Collection Calming Foam Cleanser 150ml Salicylic Acid Acne Cleanser | Animal Testing Free Paraben Free Korean Skin Care**COSRX**£11.49**4.6★410 rev](https://www.amazon.co.uk/dp/B091SZYV6T) [4**COSRX Advanced Snail 96 Mucin Power Essence 100ml | Snail Secretion Filtrate 96% | Skin Repair Serum | CPNP Registered Korean Skin Care Cruelty Free Paraben Free Alcohol Free**COSRX**£11.07**4.5★103,973 rev](https://www.amazon.co.uk/dp/B00PBX3L7K)
### **Newest**
by launch date
[**COSRX AC Collection Calming Foam Cleanser 150ml Salicylic Acid Acne Cleanser | Animal Testing Free Paraben Free Korean Skin Care**COSRX**£11.49**410 rev5y ago](https://www.amazon.co.uk/dp/B091SZYV6T) [**COSRX Advanced Snail Mucin Gel Cleanser 5.07 Fl Oz / 150 mL | Rich Daily Deep Cleansing Gel for Dry & Sensitive Skin | Korean Skincare Not Tested on Animals No Parabens**COSRX**£13.62**4,610 rev5y ago](https://www.amazon.co.uk/dp/B08H6PHF2N) [**COSRX Low pH Good Morning Gel Cleanser 5.07 fl.oz / 150ml | Mild Face Cleanser | Korean Skin Care for Acne Prone Skin PH Balancing Anti Acne Breakouts Treatment**COSRX**£10.70**19,566 rev10y ago](https://www.amazon.co.uk/dp/B016NRXO06) [**COSRX Advanced Snail 96 Mucin Power Essence 100ml | Snail Secretion Filtrate 96% | Skin Repair Serum | CPNP Registered Korean Skin Care Cruelty Free Paraben Free Alcohol Free**COSRX**£11.07**103,973 rev11y ago](https://www.amazon.co.uk/dp/B00PBX3L7K)
### **Trending**
90-day click momentum
[**COSRX Advanced Snail Mucin Gel Cleanser 5.07 Fl Oz / 150 mL | Rich Daily Deep Cleansing Gel for Dry & Sensitive Skin | Korean Skincare Not Tested on Animals No Parabens**COSRX**£13.62**4.6★**▲ 25%**](https://www.amazon.co.uk/dp/B08H6PHF2N) [**COSRX Advanced Snail 96 Mucin Power Essence 100ml | Snail Secretion Filtrate 96% | Skin Repair Serum | CPNP Registered Korean Skin Care Cruelty Free Paraben Free Alcohol Free**COSRX**£11.07**4.5★**▲ 21%**](https://www.amazon.co.uk/dp/B00PBX3L7K) [**COSRX Low pH Good Morning Gel Cleanser 5.07 fl.oz / 150ml | Mild Face Cleanser | Korean Skin Care for Acne Prone Skin PH Balancing Anti Acne Breakouts Treatment**COSRX**£10.70**4.6★**— 8%**](https://www.amazon.co.uk/dp/B016NRXO06) [**COSRX AC Collection Calming Foam Cleanser 150ml Salicylic Acid Acne Cleanser | Animal Testing Free Paraben Free Korean Skin Care**COSRX**£11.49**4.6★**▼ 42%**](https://www.amazon.co.uk/dp/B091SZYV6T)
## **What buyers say about cosrx cleanser**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Moist/Dry**18%
*“A good moisturiser”*
**Suitability Combination Skin**15%
*“This worked really well for my skin”*
**Quality-Overall**14%
*“Better than more expensive products”*
**Value For Money**11%
*“Worth the money”*
**Soft Feel**8%
*“Soft skin”*
**Suitability Dry Skin**6%
*“It corrected the dry patches on my face”*
**Brightness/Shine/Glow**4%
*“Skin shine”*
**Absorbency**4%
*“Easily absorbed”*
**Cleansing**3%
*“It cleanser the skin very well”*
**Efficiency**3%
*“The cosrx is effective”*
### **What buyers complain about **
**Moist/Dry**23%
*“honestly I dont find this has been very moisturising at all”*
**Allergies**14%
*“Allergic reaction”*
**Suitability Dry Skin**9%
*“this doesnt really do anything other than dry it out”*
**Sensitivity-Overall**7%
*“Terrible for sensitive skin”*
**Functionality-Overall**6%
*“does not work”*
**Skin Health**4%
*“burns skin feeling I got dries it out to don't get why it has so many reviews”*
**Absorbency**4%
*“Its light weight absorbs in no time after applying”*
**Value For Money**3%
*“Not good value for money for me”*
**Durability**3%
*“didnt last long”*
**Ingredients-Overall**3%
*“Didn't like the name of the ingredients”*
### **Top return reasons **
**Leak-Proof**11%
**Functionality-Overall**9%
**Motor Power**8%
**Advertised Vs Actual Product**8%
**Dilute/Watery**7%
**Value For Money**6%
**Suitability Combination Skin**6%
**Quality-Overall**6%
**Moist/Dry**5%
**Suitability Dry Skin**5%
## **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.
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