---
title: "Peptide Serum — $1.8M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/peptide-serum"
last_updated: "2026-08-11T07:45:11.555Z"
locale: en
meta:
description: "Niche score 65/100 · $1.8M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 65/100 · $1.8M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Peptide Serum — $1.8M/yr Amazon US Niche (2026) - Flapen"
---
# **peptide serum**
**Worth a look**
Shows low returns (0.7%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 91Growth 21Conversion 51Competition 86Returns 97Price range 82Avg price 84Brand share 80Review moat 21Quality gap 33
**Returns**
**Incredible****0.7%**
return rate — above 5% kills the launch gate
**Market size**
**Great****$1.8M**
$1.8M/yr · 2.3M searches
**Competition**
**Great****29%**
top-5 click share — an open shelf
**Avg price**
**Great****$18.63**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$5.86–$63.15**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Great****55%**
top-5 brand share — no brand owns this niche
**Conversion**
**Good****4.2%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-8.8%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****12,099.09**
avg incumbent reviews — the moat a new listing must climb
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United States niche tracking, peptide serum is a $1.8M/yr Amazon United States market (2.3M searches/yr). The top 5 brands hold 55% of demand. Demand peaks in May–Jun. Verdict: Worth a look — 65/100.
Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **peptide serum market data**
- **Units sold / yr**
- **80K–100K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **$1.5M–$1.9M**
- units × avg price
- **Conversion rate**
- **4.2%**
- **Avg BSR**
- **#124**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **42 months**
- **Avg seller age**
- **114 days**
## **Competition & brand share**
Clicks spread well past the top 5 (29% combined) — an open shelf where new products get seen.
**Brands**
**37 **▼falling
**Sellers**
**713**
**Top-5 brand share**
**55%**
Top 20: 89%
**Top-5 click share**
**29%**
Top 20: 63%
**Open market**
**39%**
- The Ordinary16% - Good Molecules14% - medicube10% - COSRX9% - Beauty of Joseon6% - SKIN10046%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -8.8% search growth over the last 90 days.
70K50KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/peptide-serum/trend)
## **Top peptide serum search terms**
- **peptides serum for face**477K/yr-17.5%3.3% conv. - **brightening serum**273K/yr+9.4%2.7% conv. - **peptide serum**251K/yr-0.2%4.3% conv. - **anti aging serum**210K/yr-10.3%2.3% conv. - **korean serum**176K/yr-12.1%2.5% conv. - **glow serum**122K/yr-7.6%3.5% conv. - **skin brightening serum**107K/yr-17.6%2.6% conv. - **ceramide serum**81K/yr-13.4%3.2% conv. - **face serum korean**46K/yr+7.8%4.4% conv. - **night serum**50K/yr+13.0%1.8% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/peptide-serum/search-terms)
## **Top peptide 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%2%$35K4%$70K6%$105K8%$140K1001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**medicube PDRN Pink Peptide Serum with Salmon DNA | Pink Glow Serum with Peptides & Niacinamide for Hydration & Firm-Looking Skin | Uneven Tone Care | Korean Skincare 1.01 fl. Oz**medicube**$16.93**4.7★17,956 rev](https://www.amazon.com/dp/B0DBF65JYY) [2**Good Molecules Super Peptide Serum - Anti-aging Facial Serum with Peptides and Copper Tripeptides to Plump and Firm - Water-Based Skincare for Face**Good Molecules**$12.01**4.6★3,730 rev](https://www.amazon.com/dp/B091MTKS35) [3**COSRX 6X Peptide Collagen Skin Booster Toner Serum for Dull & Uneven Skin Preps Skin with Copper Peptides GHK-Cu Skin Renewal Boosting Facial Essence Korean Skin Care 5.07 oz**COSRX**$18.65**4.6★12,089 rev](https://www.amazon.com/dp/B0CCJ3SRB9) [4**The Ordinary Multi-Peptide + Hyaluronic Acid Anti-Aging Peptide Serum for Crows Feet Elasticity & Firmness 1 Fl Oz**The Ordinary**$19.07**4.7★2,670 rev](https://www.amazon.com/dp/B0BLHW7JZM) [5**Good Molecules Daily Brightening Serum with Beta Arbutin 3% & Hyaluronic Acid Brightening Serum for Dark Spots & Uneven Tone Face Skincare 1 fl oz (30 ml)**Good Molecules**$7.92**4.6★5,134 rev](https://www.amazon.com/dp/B091MGP94B)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Beauty of Joseon Glow Serum Propolis and Niacinamide Hydrating Facial Soothing Moisturizer for Uneven Skin Tone Korean Skin Care 30ml 1 fl.oz**Beauty of Joseon**$15.70**1,503 rev1y ago](https://www.amazon.com/dp/B0F8LBX37X) [**medicube PDRN Pink Peptide Serum with Salmon DNA | Pink Glow Serum with Peptides & Niacinamide for Hydration & Firm-Looking Skin | Uneven Tone Care | Korean Skincare 1.01 fl. Oz**medicube**$16.93**17,956 rev1y ago](https://www.amazon.com/dp/B0DBF65JYY) [**medicube PDRN Pink Peptide Serum with Rose PDRN | Vegan Pink Glow Serum with Peptides & Niacinamide for Hydration & Firm-Looking Skin | Uneven Tone Care | Korean Skincare 1.01 fl. Oz**medicube**$16.96**3,839 rev1y ago](https://www.amazon.com/dp/B0DCJ7952P) [**EQQUALBERRY Vitamin Illuminating Serum | Niacinamide 4% & TXA | Brightening Vitamin C Serum for Face Glow with Hyaluronic Acid | Dark Spot & Uneven Tone Care | Korean Skincare 1.01 fl oz**EQQUALBERRY**$18.09**15,079 rev2y ago](https://www.amazon.com/dp/B0D8W1YVBX) [**Anua Rice Ceramide 7 Hydrating Barrier Serum Moisturizing Face Serum Non-comodogenic Hyaluronic Acid Niacinamide Lightweight Fragrance Free Sensitive Dry Skin Korean Skincare 1.69 fl oz**ANUA**$16.53**2,975 rev2y ago](https://www.amazon.com/dp/B0D54G6811)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[![[Hudsons Pick] SKIN1004 Madagascar Centella Ampoule Korean Face Serum with Centella Asiatica for Hydrating & Moisturizing Soothing Facial Serum for Skin Balance Korean Skin Care 3.38 fl.oz 100ml](https://m.media-amazon.com/images/I/31Kxg2RcOgL.jpg)**\[Hudsons Pick\] SKIN1004 Madagascar Centella Ampoule Korean Face Serum with Centella Asiatica for Hydrating & Moisturizing Soothing Facial Serum for Skin Balance Korean Skin Care 3.38 fl.oz 100ml**SKIN1004**$15.54**4.7★**▲ 206%**](https://www.amazon.com/dp/B06Y15D1LH) [**Good Molecules Discoloration Correcting Serum - Serum to Target Dark Spots and Discoloration - Skin Care for Face 1 fl oz**Good Molecules**$11.99**4.4★**▲ 57%**](https://www.amazon.com/dp/B08RJ4ZHXJ) [**The Ordinary Hyaluronic Acid 2% + B5 (with Ceramides) Multi-Depth Hydration Serum for Plumper Smoother Skin 1 Fl Oz**The Ordinary**$9.66**4.7★**▲ 43%**](https://www.amazon.com/dp/B01MYEZPC8) [**Olay Super Serum - Glow Serum for Face - Activated Niacinamide Vitamin C & E Collagen Peptide AHA - 5-in-1 Benefits - Brightens Hydrates Smooths Firms Evens Tone Proactive Anti-Aging 1.0 Oz**Olay**$28.28**4.5★**▲ 43%**](https://www.amazon.com/dp/B0C7MQQSW4) [**EQQUALBERRY Vitamin Illuminating Serum | Niacinamide 4% & TXA | Brightening Vitamin C Serum for Face Glow with Hyaluronic Acid | Dark Spot & Uneven Tone Care | Korean Skincare 1.01 fl oz**EQQUALBERRY**$18.09**4.3★**▲ 20%**](https://www.amazon.com/dp/B0D8W1YVBX)
**~~View all trending →~~**
## **What buyers say about peptide serum**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Suitability Combination Skin**15%
*“Good for your skin”*
**Quality-Overall**12%
*“Amazing quality”*
**Moist/Dry**12%
*“Dries fast”*
**Soft Feel**8%
*“Leaves skin soft”*
**Brightness/Shine/Glow**7%
*“Gives a glow”*
**Value For Money**7%
*“Great deal”*
**Suitability Dry Skin**5%
*“helps my dry skin”*
**Absorbency**3%
*“Absorbed well”*
**Smell**2%
*“Interesting smell”*
**Symptom Reduction**2%
*“Helps for redness”*
### **What buyers complain about **
**Functionality-Overall**12%
*“No effective”*
**Allergies**11%
*“Allergic Reaction”*
**Skin Health**6%
*“Burns My Skin”*
**Smell**6%
*“Not fragrance free”*
**Symptom Reduction**5%
*“no improvement in skin”*
**Value For Money**5%
*“Expensive”*
**Moist/Dry**4%
*“No hydration”*
**Adhesion/Stickiness**4%
*“Why so sticky”*
**Suitability Dry Skin**3%
*“Not suitable for dry skin”*
**Advertised Vs Actual Product**2%
*“Looks can be deceiving”*
### **Top return reasons **
**Functionality-Overall**15%
**Advertised Vs Actual Product**10%
**Value For Money**9%
**Smell**6%
**Moist/Dry**6%
**Adhesion/Stickiness**5%
**Skin Health**4%
**Product Condition**4%
**Leak-Proof**4%
**Texture/Consistency-Overall**4%
## **Common questions**
- **Is peptide serum profitable to sell on Amazon United States?**
- The niche generates $1.8M/yr across 66 tracked products. 8 of 8 products launched in the last 360 days are still selling. 90-day search growth is -8.8%. Flapen's verdict: Worth a look (65/100).
- **How competitive is the peptide serum niche?**
- 37 brands and 713 sellers compete. The top 5 products take 29% of clicks and top 5 brands hold 55% of demand.
- **What do buyers complain about in peptide serum?**
- Top complaints mined from reviews: Functionality-Overall, Allergies, Skin Health. The return rate is 0.7%.
- **When does demand for peptide serum peak?**
- Demand peaks in May–Jun; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the peptide serum niche?**
- Listings span $5.86–$63.15; the average listing price is $18.63 (sweet spot $15–$100). The average incumbent carries 12,099 reviews — the moat a new listing must climb.
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