---
title: "Cosrx Set — $132K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/cosrx-set"
last_updated: "2026-08-09T07:21:51.571Z"
locale: en
meta:
description: "Niche score 38/100 · $132K/yr market · 105K searches/yr · $20.07 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 38/100 · $132K/yr market · 105K searches/yr · $20.07 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Cosrx Set — $132K/yr Amazon US Niche (2026) - Flapen"
---
# **cosrx set**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 30Growth 22Conversion 69Competition 9Returns 95Price range 77Avg price 88Brand share 0Review moat 18Quality gap 35
**Returns**
**Incredible****1.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$20.07**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.80–$32.40**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****6.3%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****$132K**
$132K/yr · 105K searches
**Growth**
**Bad****-6.2%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****17,444**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****89%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, cosrx set is a $132K/yr Amazon United States market (105K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Dec. Verdict: Skip it — 38/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **cosrx set market data**
- **Units sold / yr**
- **5K–6K**
- avg 250–500/product
- **Revenue / yr**
- **$100K–$120K**
- units × avg price
- **Conversion rate**
- **6.3%**
- **Avg BSR**
- **#202**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **71%**
- **Out of stock**
- **17.5%**
- **Avg brand age**
- **37 months**
- **Avg seller age**
- **145 days**
## **Competition & brand share**
The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**2 **▼falling
**Sellers**
**19**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**89%**
Top 20: 100%
**Open market**
**0%**
- COSRX95% - coxir5% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 76 weeks — -6.2% search growth over the last 90 days.
5K3KSpike '25Prime Day '25Black Friday '25Holiday '25Spike '26 seasonFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: May, Dec · busiest ÷ quietest = 2.8×
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/cosrx-set/trend)
## **Top cosrx set search terms**
- **cosrx travel size kit**19K/yr+6.6%7.3% conv. - **cosrx set**14K/yr-15.2%1.4% conv. - **cosrx travel size**9K/yr+34.6%5.0% conv. - **cosrx kit**9K/yr-20.4%2.6% conv. - **cosrx travel**4K/yr+25.5%6.3% conv. - **snail mucin travel size**6K/yr+3.9%6.6% conv. - **cosrx snail mucin travel size**5K/yr-10.7%6.2% conv. - **snail mucin set**7K/yr-29.5%1.8% conv. - **travel size snail mucin**3K/yr-0.5%5.5% conv. - **snail kit**3K/yr+23.6%1.2% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/cosrx-set/search-terms)
## **Top cosrx set 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%$26K40%$53K60%$79K80%$106K1001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 7 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**COSRX All About Snail Mucin Korean Skin Care Set Mini Travel Essentials Travel Size Gift Set with Snail Mucin Face Wash Serum Moisturizer & Eye Cream Rejuvenating Kit Mothers Day Gifts for Mom**COSRX**$21.00**4.5★5,792 rev](https://www.amazon.com/dp/B08QM7NFWS) [2**COSRX Snail Mucin 96% Peptide Booster Set - Amazon Exclusive - Korean Skin Care Gift Sets Skin Care Sets for Women Advanced Snail Mucin Serum Face Serum**COSRX**$32.40**4.6★2,083 rev](https://www.amazon.com/dp/B0D663VWFC) [3**COSRX Snail Mucin 96% Repairing Serum Hydrating Serum for Face with Snail Secretion Filtrate for Dull Skin & Fine Lines 100ml Korean Skin Care**COSRX**$16.06**4.6★105,499 rev](https://www.amazon.com/dp/B00PBX3L7K) [4**COSRX Snail Mucin 74% + Niacinamide 5% Dual Essence Anti Aging Face Serum for Dull Skin Sensitive Skin Korean Skin Care 2.70 fl.oz / 80ml**COSRX**$19.53**4.5★7,489 rev](https://www.amazon.com/dp/B08FSWVXRD) [5**COSRX Honey Glow Kit Korean Skin Care Set with Propolis Facial Toner Serum & Cream Mini Travel Essentials Deep Moisture Hydration Nourishment Travel Size Gift Set Korean Skin Care**COSRX**$21.99**4.5★823 rev](https://www.amazon.com/dp/B08QN111ZM)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**COSRX Mini-Sized 6X Peptide Collagen Skin Booster Toner Serum 1.01 Fl Oz for Dull & Uneven Skin Travel Essentials Preps Skin with Copper Peptides GHK-Cu Korean Skin Care**COSRX**$9.80**205 rev1y ago](https://www.amazon.com/dp/B0CY15LSYM) [**COSRX Snail Mucin 96% Peptide Booster Set - Amazon Exclusive - Korean Skin Care Gift Sets Skin Care Sets for Women Advanced Snail Mucin Serum Face Serum**COSRX**$32.40**2,083 rev2y ago](https://www.amazon.com/dp/B0D663VWFC) [![coxir Black Snail Collagen 4-Step Trial Starter Kit - Korean Skincare Gift with Snail Mucin Collagen & Black Bean | Cleanser + Toner + Serum + Cream for Firmer-Looking Glowing Skin [Travel 4-Piece]](https://m.media-amazon.com/images/I/41vCsxMYNbL.jpg)**coxir Black Snail Collagen 4-Step Trial Starter Kit - Korean Skincare Gift with Snail Mucin Collagen & Black Bean | Cleanser + Toner + Serum + Cream for Firmer-Looking Glowing Skin \[Travel 4-Piece\]**coxir**$19.72**217 rev3y ago](https://www.amazon.com/dp/B0C49C6BD5) [**COSRX All About Snail Mucin Korean Skin Care Set Mini Travel Essentials Travel Size Gift Set with Snail Mucin Face Wash Serum Moisturizer & Eye Cream Rejuvenating Kit Mothers Day Gifts for Mom**COSRX**$21.00**5,792 rev5y ago](https://www.amazon.com/dp/B08QM7NFWS) [**COSRX Honey Glow Kit Korean Skin Care Set with Propolis Facial Toner Serum & Cream Mini Travel Essentials Deep Moisture Hydration Nourishment Travel Size Gift Set Korean Skin Care**COSRX**$21.99**823 rev5y ago](https://www.amazon.com/dp/B08QN111ZM)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**COSRX Mini-Sized 6X Peptide Collagen Skin Booster Toner Serum 1.01 Fl Oz for Dull & Uneven Skin Travel Essentials Preps Skin with Copper Peptides GHK-Cu Korean Skin Care**COSRX**$9.80**4.6★**▲ 105%**](https://www.amazon.com/dp/B0CY15LSYM) [**COSRX Snail Mucin 74% + Niacinamide 5% Dual Essence Anti Aging Face Serum for Dull Skin Sensitive Skin Korean Skin Care 2.70 fl.oz / 80ml**COSRX**$19.53**4.5★**▲ 23%**](https://www.amazon.com/dp/B08FSWVXRD) [**COSRX Snail Mucin 96% Repairing Serum Hydrating Serum for Face with Snail Secretion Filtrate for Dull Skin & Fine Lines 100ml Korean Skin Care**COSRX**$16.06**4.6★**▲ 13%**](https://www.amazon.com/dp/B00PBX3L7K) [**COSRX All About Snail Mucin Korean Skin Care Set Mini Travel Essentials Travel Size Gift Set with Snail Mucin Face Wash Serum Moisturizer & Eye Cream Rejuvenating Kit Mothers Day Gifts for Mom**COSRX**$21.00**4.5★**— 1%**](https://www.amazon.com/dp/B08QM7NFWS) [**COSRX Honey Glow Kit Korean Skin Care Set with Propolis Facial Toner Serum & Cream Mini Travel Essentials Deep Moisture Hydration Nourishment Travel Size Gift Set Korean Skin Care**COSRX**$21.99**4.5★**▼ 13%**](https://www.amazon.com/dp/B08QN111ZM)
**~~View all trending →~~**
## **What buyers say about cosrx set**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Suitability Combination Skin**18%
*“So great for sensitive skin”*
**Moist/Dry**17%
*“Great moisturizer”*
**Quality-Overall**10%
*“It is well-made”*
**Soft Feel**8%
*“extremely soft”*
**Value For Money**6%
*“Good value”*
**Suitability Dry Skin**5%
*“Amazing for dry skin”*
**Brightness/Shine/Glow**4%
*“gives a nice glow”*
**Absorbency**4%
*“It absorbs well”*
**Allergies**2%
*“No irritation”*
**Smell**2%
*“I love the scent”*
### **What buyers complain about **
**Allergies**10%
*“irritated at times”*
**Functionality-Overall**8%
*“saw no results”*
**Skin Health**6%
*“Dont see any kind of benefit for the skin”*
**Suitability Dry Skin**5%
*“Not great for very dry flaky skin”*
**Adhesion/Stickiness**4%
*“then turned sticky which I can put up with if it gave me amazing results”*
**Moist/Dry**4%
*“not as hydrating”*
**Smell**4%
*“There is no real scent to it”*
**Value For Money**3%
*“Not sure why they raised tbe price so much”*
**Suitability Combination Skin**3%
*“so this is very abnormal for my skin”*
**Dilute/Watery**2%
*“Too watery”*
### **Top return reasons **
**Value For Money**15%
**Functionality-Overall**9%
**Moist/Dry**8%
**Motor Power**8%
**Advertised Vs Actual Product**7%
**Texture/Consistency-Overall**6%
**Leak-Proof**6%
**Adhesion/Stickiness**5%
**Size-Overall**5%
**Skin Health**4%
## **Common questions**
- **Is cosrx set profitable to sell on Amazon United States?**
- The niche generates $132K/yr across 7 tracked products. 90-day search growth is -6.2%. Flapen's verdict: Skip it (38/100).
- **How competitive is the cosrx set niche?**
- 2 brands and 19 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in cosrx set?**
- Top complaints mined from reviews: Allergies, Functionality-Overall, Skin Health. The return rate is 1.0%.
- **When does demand for cosrx set peak?**
- Demand peaks in May–Dec; the busiest month runs 2.8× the quietest.
- **What does it cost to enter the cosrx set niche?**
- Listings span $9.80–$32.40; the average listing price is $20.07 (sweet spot $15–$100). The average incumbent carries 17,444 reviews — the moat a new listing must climb.
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