---
title: "Caffeine Eye Serum — £135K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/beauty/caffeine-eye-serum"
last_updated: "2026-08-06T05:29:05.045Z"
locale: en
meta:
description: "Niche score 38/100 · £135K/yr market · 81K searches/yr · £11.07 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 38/100 · £135K/yr market · 81K searches/yr · £11.07 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Caffeine Eye Serum — £135K/yr Amazon UK Niche (2026) - Flapen"
---
# **caffeine eye serum**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 30Growth 18Conversion 97Competition 5Returns 100Price range 9Avg price 42Brand share 0Review moat 25Quality gap 63
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****15.1%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Okay****£11.07**
avg listing price — sweet spot $15–$100
**Market size**
**Okay****£135K**
£135K/yr · 81K searches
**Review moat**
**Bad****4,304**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-14.3%**
90-day search growth — must beat 0% to launch
**Price range**
**Bad****£5.96–£15.92**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Bad****94%**
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 Kingdom niche tracking, caffeine eye serum is a £135K/yr Amazon United Kingdom market (81K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 38/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **caffeine eye serum market data**
- **Units sold / yr**
- **10K–13K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **£111K–£138K**
- units × avg price
- **Conversion rate**
- **15.1%**
- **Avg BSR**
- **#14**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **44 months**
- **Avg seller age**
- **149 days**
## **Competition & brand share**
The top 5 products capture 94% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▼falling
**Sellers**
**74**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**94%**
Top 20: 100%
**Open market**
**0%**
- The Ordinary82% - COSRX9% - medicube6% - The INKEY List3%
## **Demand & seasonality**
Weekly Amazon search volume, last 93 weeks — -14.3% search growth over the last 90 days.
6K4KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 2.6×
[**Open Trend **](https://flapen.com/research/uk/beauty/caffeine-eye-serum/trend)
## **Top caffeine eye serum search terms**
- **the ordinary eye serum**19K/yr-11.4%17.5% conv. - **ordinary eye serum**13K/yr-12.4%16.1% conv. - **peptide eye cream**10K/yr-15.8%2.0% conv. - **cosrx eye cream**10K/yr-19.1%7.4% conv. - **the ordinary multi peptide eye serum**7K/yr-3.5%16.8% conv. - **the ordinary eye cream**5K/yr-32.9%7.9% conv. - **the ordinary eye**5K/yr-30.1%11.3% conv. - **the ordinary multi-peptide eye serum**3K/yr+45.6%16.1% conv. - **peptide eye serum**3K/yr+13.8%3.8% conv. - **ordinary eye cream**3K/yr-31.6%9.0% conv. [**All search terms **](https://flapen.com/research/uk/beauty/caffeine-eye-serum/search-terms)
## **Top caffeine eye serum 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%£20K30%£41K45%£61K60%£81K1K10K 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**The Ordinary Multi-Peptide Eye Serum Anti-Aging Peptide Serum for Crows Feet Dark Circles & Puffiness 15ml**The Ordinary**£15.10**4.4★1,429 rev](https://www.amazon.co.uk/dp/B0BV6YFW33) [2**The Ordinary Caffeine Solution 5% + EGCG Eye Serum Depuffing Eye Serum for Dark Circles and Tired Eyes 30ml**The Ordinary**£6.69**4.3★2,785 rev](https://www.amazon.co.uk/dp/B09N6Z61GL) [3**COSRX Snail Peptide Eye Cream with 73.7% Snail Mucin & Niacinamide for Fine Lines and Dark Circles Korean Skincare**COSRX**£15.92**4.5★8,081 rev](https://www.amazon.co.uk/dp/B07ZRF416W) [4**medicube Eye Cream with Salmon DNA PDRN & Pink Peptides | 99% Purity Retinol for Fine Lines | PDRN & Niacinamide Eye Serum for Uneven Skin Tone | Korean Skincare 1.01 fl.oz**medicube**£11.46**4.4★4,577 rev](https://www.amazon.co.uk/dp/B0DWMSM6Y9) [5**The Ordinary Multi-Peptide Lash and Brow Serum Peptide-Powered Formula for Thicker Fuller Looking Lashes & Brows 5ml**The Ordinary**£10.90**4.2★6,076 rev](https://www.amazon.co.uk/dp/B0B5DYY1HQ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**medicube Eye Cream with Salmon DNA PDRN & Pink Peptides | 99% Purity Retinol for Fine Lines | PDRN & Niacinamide Eye Serum for Uneven Skin Tone | Korean Skincare 1.01 fl.oz**medicube**£11.46**4,577 rev1y ago](https://www.amazon.co.uk/dp/B0DWMSM6Y9) [**The Ordinary Multi-Peptide Eye Serum Anti-Aging Peptide Serum for Crows Feet Dark Circles & Puffiness 15ml**The Ordinary**£15.10**1,429 rev3y ago](https://www.amazon.co.uk/dp/B0BV6YFW33) [**COSRX Snail Peptide Eye Cream with 73.7% Snail Mucin & Niacinamide for Fine Lines and Dark Circles Korean Skincare**COSRX**£15.92**8,081 rev3y ago](https://www.amazon.co.uk/dp/B07ZRF416W) [**The Ordinary Multi-Peptide Lash and Brow Serum Peptide-Powered Formula for Thicker Fuller Looking Lashes & Brows 5ml**The Ordinary**£10.90**6,076 rev3y ago](https://www.amazon.co.uk/dp/B0B5DYY1HQ) [**The Ordinary Multi-Peptide + Hyaluronic Acid Anti-Aging Peptide Serum for Crows Feet Elasticity & Firmness 30ml**The Ordinary**£11.46**3,536 rev3y ago](https://www.amazon.co.uk/dp/B0BLHW7JZM)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**medicube Eye Cream with Salmon DNA PDRN & Pink Peptides | 99% Purity Retinol for Fine Lines | PDRN & Niacinamide Eye Serum for Uneven Skin Tone | Korean Skincare 1.01 fl.oz**medicube**£11.46**4.4★**▲ 150%**](https://www.amazon.co.uk/dp/B0DWMSM6Y9) [**The Ordinary Multi-Peptide Lash and Brow Serum Peptide-Powered Formula for Thicker Fuller Looking Lashes & Brows 5ml**The Ordinary**£10.90**4.2★**▲ 15%**](https://www.amazon.co.uk/dp/B0B5DYY1HQ) [**COSRX Snail Peptide Eye Cream with 73.7% Snail Mucin & Niacinamide for Fine Lines and Dark Circles Korean Skincare**COSRX**£15.92**4.5★**— 4%**](https://www.amazon.co.uk/dp/B07ZRF416W) [**The Ordinary Multi-Peptide Eye Serum Anti-Aging Peptide Serum for Crows Feet Dark Circles & Puffiness 15ml**The Ordinary**£15.10**4.4★**— 4%**](https://www.amazon.co.uk/dp/B0BV6YFW33) [**The Ordinary Caffeine Solution 5% + EGCG Eye Serum Depuffing Eye Serum for Dark Circles and Tired Eyes 30ml**The Ordinary**£6.69**4.3★**— 9%**](https://www.amazon.co.uk/dp/B09N6Z61GL)
**~~View all trending →~~**
## **What buyers say about caffeine eye serum**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**16%
*“The price for the quality of product is brilliant”*
**Value For Money**15%
*“It is excellent value”*
**Moist/Dry**10%
*“just keeps me well hydrated”*
**Suitability Combination Skin**8%
*“works well with sensitive skin”*
**Soft Feel**6%
*“Makes my skin very soft”*
**Texture/Consistency-Overall**4%
*“Nice texture”*
**Brightness/Shine/Glow**4%
*“Bright eyes”*
**Efficiency**4%
*“does the job well”*
**Absorbency**4%
*“absorbs well”*
**Symptom Reduction**4%
*“a visible improvement in eye bags”*
### **What buyers complain about **
**Functionality-Overall**16%
*“the pump does not work”*
**Allergies**12%
*“kind of red”*
**Symptom Reduction**11%
*“theres been no visible improvement”*
**Value For Money**6%
*“Waste of money”*
**Moist/Dry**4%
*“I found that it wasn't hydrating at all”*
**Skin Health**4%
*“Started to burn my skin after 2 days of applying a small amount under eyes twice a day”*
**Quality-Overall**4%
*“Absolute rubbish”*
**Sensitivity-Overall**3%
*“Not for sensitive eyes”*
**Suitability Dry Skin**2%
*“I found that it wasn't hydrating at all”*
**Wrinkles**2%
*“wrinkles no inprovement”*
### **Top return reasons **
**Motor Power**37%
**Value For Money**11%
**Functionality-Overall**11%
**Product Condition**6%
**Skin Health**5%
**Ingredients-Overall**5%
**Leak-Proof**5%
**Quality-Overall**4%
**Suitability Combination Skin**4%
**Moist/Dry**2%
## **Common questions**
- **Is caffeine eye serum profitable to sell on Amazon United Kingdom?**
- The niche generates £135K/yr across 7 tracked products. 90-day search growth is -14.3%. Flapen's verdict: Skip it (38/100).
- **How competitive is the caffeine eye serum niche?**
- 4 brands and 74 sellers compete. The top 5 products take 94% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in caffeine eye serum?**
- Top complaints mined from reviews: Functionality-Overall, Allergies, Symptom Reduction. The return rate is 0.0%.
- **When does demand for caffeine eye serum peak?**
- Demand is steady year-round — the busiest month runs 2.6× the quietest.
- **What does it cost to enter the caffeine eye serum niche?**
- Listings span £5.96–£15.92; the average listing price is £11.07 (sweet spot $15–$100). The average incumbent carries 4,304 reviews — the moat a new listing must climb.
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