---
title: "Koseon Collagen Eye Mask — $85K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/koseon-collagen-eye-mask"
last_updated: "2026-08-11T15:55:07.073Z"
locale: en
meta:
description: "Niche score 63/100 · $85K/yr market · 42K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 63/100 · $85K/yr market · 42K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Koseon Collagen Eye Mask — $85K/yr Amazon US Niche (2026) - Flapen"
---
# **koseon collagen eye mask**
**Worth a look**
Shows demand growing +899.2% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 21Growth 100Conversion 79Competition 22Returns 96Price range 84Avg price 95Brand share 11Review moat 95Quality gap 97
**Growth**
**Incredible****+899.2%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Incredible****3.8★**
avg incumbent rating — lower means beatable quality
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Review moat**
**Incredible****98.45**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Incredible****$25.91**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$11.94–$34.91**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****7.9%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Bad****74%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$85K**
$85K/yr · 42K searches
**Brand share**
**Bad****96%**
top-5 brand share — brand-locked demand
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United States niche tracking, koseon collagen eye mask is a $85K/yr Amazon United States market (42K searches/yr). The top 5 brands hold 96% of demand. Verdict: Worth a look — 63/100.
Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **koseon collagen eye mask market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$78K–$104K**
- units × avg price
- **Conversion rate**
- **7.9%**
- **Avg BSR**
- **#330**
- **Page quality**
- **0%**
- **Prime**
- **64%**
- **Sponsored**
- **100%**
- **Out of stock**
- **27.2%**
- **Avg brand age**
- **32 months**
- **Avg seller age**
- **126 days**
## **Competition & brand share**
The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **
**Sellers**
**11**
**Top-5 brand share**
**96%**
Top 20: 100%
**Top-5 click share**
**74%**
Top 20: 100%
**Open market**
**2%**
- koseon50% - HACHIAC21% - LLVYUO12% - KOSEON9% - GOUGEX3% - Koseon Skincare2% - Open — no brand owns it (1 brand, 2%)
## **Top koseon collagen eye mask search terms**
- **koseon collagen eye mask**25K/yr>1,000%6.7% conv. - **koseon peptide powered deep collagen eye mask**7K/yr>1,000%7.3% conv. - **koseon**6K/yr+374.3%4.4% conv. - **kosean eye mask patches**4K/yr>1,000%5.6% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/koseon-collagen-eye-mask/search-terms)
## **Top koseon collagen eye mask 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%10%$9K20%$17K30%$26K40%$34K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**koseon Collagen Eye Mask 2026 New 7 PCS Peptide-Powered Deep Collagen Eye Mask Under Eye Patches 360 Fit Eye Mask with Collagen Peptide Eye Patches for Puffy Eyes and Dark Circles**koseon**$27.21**3.3★15 rev](https://www.amazon.com/dp/B0GVJS65Z5) [2**HACHIAC Koseon Collagen Eye Mask Peptide-Powered Deep Collagen Eye Mask with Collagen Peptide Under Eye Patches 360 Fit Eye Patches for Fine Lines Eyes and Dark Circles (1 pcs)**HACHIAC**$34.91**4.1★8 rev](https://www.amazon.com/dp/B0GXJR74FK) [3**Novoy 15 Pairs Bio-Collagen Real Deep Eye Patches - 6-in-1 Retinol Overnight Eye Patches for Dark Circles Puffiness & Wrinkles | 2% Caffeine+Hyaluronic+Niacinamide Korean Popular Eye Mask - ROSE**LLVYUO**$25.75**4.5★236 rev](https://www.amazon.com/dp/B0F2Z533M9) [4**KOSEON Collagen Eye Mask 360 Under Eye Patches with Caffeine & Niacinamide for Dark Circles Puffiness & Fine Lines Korean Skin Care 10 Sheets 5 Pairs**KOSEON**$25.96**5.0★10 rev](https://www.amazon.com/dp/B0H2864G5F) [5**koseon Collagen Eye Mask 2026 New 7 PCS Peptide-Powered Deep Collagen Eye Mask Eye Mask with Collagen Peptide Under Eye Patches 360 Fit Eye Patches for Puffy Eyes and Dark Circles**koseon**$26.28**3.3★5 rev](https://www.amazon.com/dp/B0H1HCPBV9)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**GOUGEX Koseon Peptide Collagen Eye Mask 7 PCS**GOUGEX**$26.50**6 rev1mo ago](https://www.amazon.com/dp/B0H2Q154F3) [**KOSEON Collagen Eye Mask 360 Under Eye Patches with Caffeine & Niacinamide for Dark Circles Puffiness & Fine Lines Korean Skin Care 10 Sheets 5 Pairs**KOSEON**$25.96**10 rev1mo ago](https://www.amazon.com/dp/B0H2864G5F) [**koseon Collagen Eye Mask New 7 PCS Peptide Collagen Eye Mask Deep Hydrating Under Eye Patches for Dark Circles Puffiness Wrinkles Eye Mask with Hyaluronic Acid Moisturizing Firming Skin Care**koseon**$25.84**9 rev2mo ago](https://www.amazon.com/dp/B0H1MGRGW6) [**koseon Collagen Eye Mask 2026 New 7 PCS Peptide-Powered Deep Collagen Eye Mask Eye Mask with Collagen Peptide Under Eye Patches 360 Fit Eye Patches for Puffy Eyes and Dark Circles**koseon**$26.28**5 rev2mo ago](https://www.amazon.com/dp/B0H1HCPBV9) [**Koseon Skincare Collagen Eye Mask Peptide-Powered Deep Collagen Eye Mask Eye Mask with Collagen Peptide Under Eye Patches 360 Fit Eye Patches for Dark Circles Puffiness & Fine Lines (1 pcs)**Koseon Skincare**$34.39**11 rev2mo ago](https://www.amazon.com/dp/B0GYX1JRYF)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**KOSEON Collagen Eye Mask 360 Under Eye Patches with Caffeine & Niacinamide for Dark Circles Puffiness & Fine Lines Korean Skin Care 10 Sheets 5 Pairs**KOSEON**$25.96**5.0★**— 4%**](https://www.amazon.com/dp/B0H2864G5F) [**7 PCS Peptide-Powered Deep Collagen Eye Mask 2026 New Under Eye Patches 360 Fit Eye Mask with Collagen Peptide Eye Patches for Puffy Eyes and Dark Circles Korean Popular Eye Mask (1)**koseon**$20.93**3.7★**— 4%**](https://www.amazon.com/dp/B0GWM1VZ51) [**koseon Collagen Eye Mask 2026 New 7 PCS Peptide-Powered Deep Collagen Eye Mask Under Eye Patches 360 Fit Eye Mask with Collagen Peptide Eye Patches for Puffy Eyes and Dark Circles**koseon**$27.21**3.3★**— 4%**](https://www.amazon.com/dp/B0GVJS65Z5) [**koseon Collagen Eye Mask 2026 New 7 PCS Peptide-Powered Deep Collagen Eye Mask Eye Mask with Collagen Peptide Under Eye Patches 360 Fit Eye Patches for Puffy Eyes and Dark Circles**koseon**$26.28**3.3★**— 4%**](https://www.amazon.com/dp/B0H1HCPBV9) [**HACHIAC Koseon Collagen Eye Mask Peptide-Powered Deep Collagen Eye Mask with Collagen Peptide Under Eye Patches 360 Fit Eye Patches for Fine Lines Eyes and Dark Circles (1 pcs)**HACHIAC**$34.91**4.1★**— 4%**](https://www.amazon.com/dp/B0GXJR74FK)
**~~View all trending →~~**
## **What buyers say about koseon collagen eye mask**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Moist/Dry**24%
*“It is hydrating”*
**Soft Feel**10%
*“They are super soft”*
**Quality-Overall**8%
*“peptides are high quality”*
**Suitability Dry Skin**8%
*“Great for reducing dryness”*
**Suitability Combination Skin**7%
*“I think it will be very helpful in improving my skin texture”*
**Ease Of Use**5%
*“It blended easier”*
**Comfort-Overall**5%
*“It was very comfortable”*
**Size-Overall**4%
*“Fits perfectly”*
**Ease Of Application**4%
*“It feel very cool when applied on”*
**Symptom Reduction**3%
*“It significantly reduces the puffiness around my eyes”*
### **What buyers complain about **
**Ease Of Use**10%
*“Very hard to work with”*
**Adhesion/Stickiness**9%
*“Dont stay in place”*
**Ease Of Application**7%
*“They are a little unwieldy to apply as noted by others”*
**Moist/Dry**5%
*“not moisturized at all”*
**Advertised Vs Actual Product**5%
*“Completely deceptive advertising”*
**Quality-Overall**5%
*“Junk”*
**Value For Money**5%
*“Fairly expensive”*
**Instructions/User Manual/Troubleshooting**4%
*“The directions were terrible”*
**Durability**4%
*“they fall apart”*
**Grip**3%
*“Extremely difficult to handle to properly place on eye area”*
### **Top return reasons **
**Adhesion/Stickiness**19%
**Advertised Vs Actual Product**15%
**Functionality-Overall**12%
**Size-Overall**11%
**Ease Of Use**7%
**Defective Material/Parts**5%
**Durability**5%
**Moist/Dry**4%
**Ease Of Application**3%
**Strength**2%
## **Common questions**
- **Is koseon collagen eye mask profitable to sell on Amazon United States?**
- The niche generates $85K/yr across 11 tracked products. 4 of 9 products launched in the last 360 days are still selling. 90-day search growth is +899.2%. Flapen's verdict: Worth a look (63/100).
- **How competitive is the koseon collagen eye mask niche?**
- 7 brands and 11 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 96% of demand.
- **What do buyers complain about in koseon collagen eye mask?**
- Top complaints mined from reviews: Ease Of Use, Adhesion/Stickiness, Ease Of Application. The return rate is 0.8%.
- **What does it cost to enter the koseon collagen eye mask niche?**
- Listings span $11.94–$34.91; the average listing price is $25.91 (sweet spot $15–$100). The average incumbent carries 98 reviews — the moat a new listing must climb.
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