---
title: "Peptides for Hair — $344K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/peptides-for-hair"
last_updated: "2026-08-11T12:20:48.771Z"
locale: en
meta:
  description: "Niche score 59/100 · $344K/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 59/100 · $344K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Peptides for Hair — $344K/yr Amazon US Niche (2026) - Flapen"
---

# **peptides for hair**

**Worth a look**

Shows low returns (0.9%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 53Growth 61Conversion 35Competition 38Returns 96Price range 68Avg price 95Brand share 57Review moat 35Quality gap 70

**Returns**

**Incredible****0.9%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$34.31**

avg listing price — sweet spot $15–$100

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Price range**

**Good****$14.32–$139.16**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Growth**

**Good****+37.8%**

90-day search growth — must beat 0% to launch

**Brand share**

**Good****71%**

top-5 brand share — brands hold most of the demand

**Market size**

**Good****$344K**

$344K/yr · 359K searches

**Competition**

**Okay****62%**

top-5 click share — leaders hold, buyers still browse

**Conversion**

**Okay****2.8%**

search→purchase rate — share of searches ending in a sale

**Review moat**

**Okay****2,972.91**

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, peptides for hair is a $344K/yr Amazon United States market (359K searches/yr). The top 5 brands hold 71% of demand. Verdict: Worth a look — 59/100.

Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **peptides for hair market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**15K–20K**</dd><dd>avg 750–1,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**$515K–$686K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**2.8%**</dd>

<dt>**Avg BSR**</dt><dd>**#309**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**91%**</dd>

<dt>**Sponsored**</dt><dd>**100%**</dd>

<dt>**Out of stock**</dt><dd>**5.0%**</dd>

<dt>**Avg brand age**</dt><dd>**43 months**</dd>

<dt>**Avg seller age**</dt><dd>**142 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**18 **▲rising

**Sellers**

**52**

**Top-5 brand share**

**71%**

Top 20: 100%

**Top-5 click share**

**62%**

Top 20: 98%

**Open market**

**25%**

- The Ordinary22% - Neurogan20% - Sonora Supply Co.14% - PURA D'OR9% - Coregnosis6% - INFINA ESSENTIALS5%

## **Demand**

Weekly Amazon search volume, last 24 weeks — +37.8% search growth over the last 90 days.

18K13KSpike '26Jan '26Feb '26Mar '26Apr '26May '26Jun '26

[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/peptides-for-hair/trend)

## **Top peptides for hair search terms**

- **ghk-cu peptide hair**60K/yr+118.3%1.5% conv. - **copper peptides for hair growth**82K/yr+15.9%4.3% conv. - **peptides for hair**35K/yr+37.6%1.5% conv. - **hair peptides**21K/yr+29.6%3.2% conv. - **peptide hair serum**22K/yr+19.6%2.3% conv. - **neurogan ghk-cu**13K/yr+51.0%8.2% conv. - **copper peptides for hair**16K/yr-1.2%3.7% conv. - **hair peptides for hair growth**8K/yr+137.6%3.5% conv. - **peptide hair growth serum**13K/yr+21.4%2.3% conv. - **neurogan**15K/yr+4.3%3.2% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/peptides-for-hair/search-terms)

## **Top peptides for hair 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%$34K20%$69K30%$103K40%$137K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 22 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![The Ordinary Multi-Peptide Serum for Hair Density Peptide-Powered Formula for Thicker Fuller Looking Hair 2 Fl Oz](https://m.media-amazon.com/images/I/31UiV4WvLkL.jpg)**The Ordinary Multi-Peptide Serum for Hair Density Peptide-Powered Formula for Thicker Fuller Looking Hair 2 Fl Oz**The Ordinary**$22.56**4.1★1,488 rev](https://www.amazon.com/dp/B09WMT8HYB) [2![Copper Peptides for Hair Growth - Ultrastrong 10% Copper Peptide Active Ingredient - 99% Purity GHK-Cu Copper Peptide for Hair - Liposomal for Maximum Absorption - MADE IN USA](https://m.media-amazon.com/images/I/41c1dOgZX9L.jpg)**Copper Peptides for Hair Growth - Ultrastrong 10% Copper Peptide Active Ingredient - 99% Purity GHK-Cu Copper Peptide for Hair - Liposomal for Maximum Absorption - MADE IN USA**Sonora Supply Co.**$43.94**4.6★210 rev](https://www.amazon.com/dp/B0F6487GY6) [3![Neurogan GHK-Cu Copper Peptide Hair & Scalp Serum 2400mg 4% Copper Peptides Fast-Absorbing Water-Based Formula for Hair Softness & Shine - Cosmetic Dry Scalp Moisturizer Spray Made in USA](https://m.media-amazon.com/images/I/41EnTsTOp7L.jpg)**Neurogan GHK-Cu Copper Peptide Hair & Scalp Serum 2400mg 4% Copper Peptides Fast-Absorbing Water-Based Formula for Hair Softness & Shine - Cosmetic Dry Scalp Moisturizer Spray Made in USA**Neurogan**$49.75**4.2★257 rev](https://www.amazon.com/dp/B0FH2PVGVT) [4![PURA DOR Hair Thinning Therapy Energizing Scalp Serum 4oz w/Copper Tripeptide Biotin Caffeine Plant Stem Cell Catalase & DHT Balance Rosemary Green Tea Leaf Extract All Hair Types Men Women](https://m.media-amazon.com/images/I/51oEfBeJVsL.jpg)**PURA DOR Hair Thinning Therapy Energizing Scalp Serum 4oz w/Copper Tripeptide Biotin Caffeine Plant Stem Cell Catalase & DHT Balance Rosemary Green Tea Leaf Extract All Hair Types Men Women**PURA D'OR**$16.44**4.4★51,438 rev](https://www.amazon.com/dp/B07J55YHGD) [5![Coregnosis Copper Hair Serum for Thicker Looking Hair & Scalp Vitality](https://m.media-amazon.com/images/I/41fTkZHdyBL.jpg)**Coregnosis Copper Hair Serum for Thicker Looking Hair & Scalp Vitality**Coregnosis**$21.59**5.0★4 rev](https://www.amazon.com/dp/B0GVMBRGH4)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Copper Peptide Hair Regrowth Formula Serum GHK-Cu + AHK-Cu Peptides for Hair & Scalp Health Fast-Absorbing Formula for Hair 30ml](https://m.media-amazon.com/images/I/41FLX17GEFL.jpg)**Copper Peptide Hair Regrowth Formula Serum GHK-Cu + AHK-Cu Peptides for Hair & Scalp Health Fast-Absorbing Formula for Hair 30ml**DAYEAH**$25.06**7 rev2mo ago](https://www.amazon.com/dp/B0GS52ML4N) [![Copper Peptides for Hair Growth](https://m.media-amazon.com/images/I/417IiQT4SxL.jpg)**Copper Peptides for Hair Growth**XILRVON**$15.90**9 rev2mo ago](https://www.amazon.com/dp/B0GYZ4M2W4) [![Cura Peptide Hair Growth Serum Support Fuller-Looking Hair 1 Fl Oz](https://m.media-amazon.com/images/I/31+TRKaa43L.jpg)**Cura Peptide Hair Growth Serum Support Fuller-Looking Hair 1 Fl Oz**Optikind**$24.46**3 rev3mo ago](https://www.amazon.com/dp/B0GWGQF6H4) [![Coregnosis Copper Hair Serum for Thicker Looking Hair & Scalp Vitality](https://m.media-amazon.com/images/I/41fTkZHdyBL.jpg)**Coregnosis Copper Hair Serum for Thicker Looking Hair & Scalp Vitality**Coregnosis**$21.59**4 rev3mo ago](https://www.amazon.com/dp/B0GVMBRGH4) [![RootRenewal Advanced Copper Peptide Hair Growth Serum | GHK-CU & AHK-CU Dual Copper Peptides + Multi-Peptide Complex | Lightweight Daily Scalp Serum with Biotin & Niacinamide for Fuller-Looking Hair](https://m.media-amazon.com/images/I/41zZUsBsd5L.jpg)**RootRenewal Advanced Copper Peptide Hair Growth Serum | GHK-CU & AHK-CU Dual Copper Peptides + Multi-Peptide Complex | Lightweight Daily Scalp Serum with Biotin & Niacinamide for Fuller-Looking Hair**RootRenewal**$40.93**15 rev3mo ago](https://www.amazon.com/dp/B0GJ3169BL)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Cura Peptide Hair Growth Serum Support Fuller-Looking Hair 1 Fl Oz](https://m.media-amazon.com/images/I/31+TRKaa43L.jpg)**Cura Peptide Hair Growth Serum Support Fuller-Looking Hair 1 Fl Oz**Optikind**$24.46**5.0★**▲ 151%**](https://www.amazon.com/dp/B0GWGQF6H4) [![Hair Growth Spray with Peptide: Infused with Caffeine Rosemary and a Rich Blend of Nourishing Plant Extracts to Strengthen Revitalize and Promote Fuller Hair 3.38FL OZ/100ML](https://m.media-amazon.com/images/I/319uAYHrogL.jpg)**Hair Growth Spray with Peptide: Infused with Caffeine Rosemary and a Rich Blend of Nourishing Plant Extracts to Strengthen Revitalize and Promote Fuller Hair 3.38FL OZ/100ML**Essynaturals Advanced**$19.30**4.3★**▲ 151%**](https://www.amazon.com/dp/B0GNNF6QQZ) [![Coregnosis Copper Hair Serum for Thicker Looking Hair & Scalp Vitality](https://m.media-amazon.com/images/I/41fTkZHdyBL.jpg)**Coregnosis Copper Hair Serum for Thicker Looking Hair & Scalp Vitality**Coregnosis**$21.59**5.0★**▲ 151%**](https://www.amazon.com/dp/B0GVMBRGH4) [![GHK-Cu Peptide Hair Serum Copper Peptides for Hair Growth Lightweight Scalp Serum for Thinning Hair Non-Greasy GHK-Cu Peptide Hair Support for Men and Women](https://m.media-amazon.com/images/I/31R3J1YrkBL.jpg)**GHK-Cu Peptide Hair Serum Copper Peptides for Hair Growth Lightweight Scalp Serum for Thinning Hair Non-Greasy GHK-Cu Peptide Hair Support for Men and Women**bvanarn**$24.34**4.4★**▲ 150%**](https://www.amazon.com/dp/B0GT4JK8F3) [![RootRenewal Advanced Copper Peptide Hair Growth Serum | GHK-CU & AHK-CU Dual Copper Peptides + Multi-Peptide Complex | Lightweight Daily Scalp Serum with Biotin & Niacinamide for Fuller-Looking Hair](https://m.media-amazon.com/images/I/41zZUsBsd5L.jpg)**RootRenewal Advanced Copper Peptide Hair Growth Serum | GHK-CU & AHK-CU Dual Copper Peptides + Multi-Peptide Complex | Lightweight Daily Scalp Serum with Biotin & Niacinamide for Fuller-Looking Hair**RootRenewal**$40.93**4.6★**▲ 150%**](https://www.amazon.com/dp/B0GJ3169BL)

**~~View all trending →~~**

## **What buyers say about peptides for hair**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**14%

*“Quality product and easy to use”*

**Hair Growth**13%

*“helped new hair growth”*

**Suitability Combination Skin**6%

*“Skin has improved”*

**Value For Money**6%

*“Worth it”*

**Smell**5%

*“no weird smell”*

**Absorbency**4%

*“Absorbs nicely”*

**Ease Of Use**4%

*“The spray is easy to use”*

**Ease Of Application**4%

*“I appreciate that it is easy to apply and absorbs quickly”*

**Moist/Dry**3%

*“Intensely moisturizing”*

**Soft Feel**3%

*“It makes it feel very smooth and silky”*

### **What buyers complain about **

**Functionality-Overall**11%

*“randomly stops working”*

**Smell**8%

*“It doesnt have a strong scent”*

**Hair Related**7%

*“The hair is starting to come back”*

**Allergies**5%

*“Gave me a rash”*

**Oily/Greasy**5%

*“A bit oily”*

**Value For Money**4%

*“Waste of money”*

**Color**4%

*“The blue color was odd”*

**Quality-Overall**3%

*“Questionable Quality”*

**Thickness**2%

*“Liquid is thick”*

**Advertised Vs Actual Product**2%

*“that's not what it says”*

### **Top return reasons **

**Functionality-Overall**16%

**Advertised Vs Actual Product**10%

**Oily/Greasy**9%

**Product Condition**7%

**Smell**7%

**Leak-Proof**7%

**Value For Money**6%

**Damage/Burn Hair**5%

**Moist/Dry**3%

**Defective Material/Parts**3%

## **Common questions**

<dl>

<dt>**Is peptides for hair profitable to sell on Amazon United States?**</dt><dd>The niche generates $344K/yr across 22 tracked products. 9 of 10 products launched in the last 360 days are still selling. 90-day search growth is +37.8%. Flapen's verdict: Worth a look (59/100).</dd>

<dt>**How competitive is the peptides for hair niche?**</dt><dd>18 brands and 52 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 71% of demand.</dd>

<dt>**What do buyers complain about in peptides for hair?**</dt><dd>Top complaints mined from reviews: Functionality-Overall, Smell, Hair Related. The return rate is 0.9%.</dd>

<dt>**What does it cost to enter the peptides for hair niche?**</dt><dd>Listings span $14.32–$139.16; the average listing price is $34.31 (sweet spot $15–$100). The average incumbent carries 2,973 reviews — the moat a new listing must climb.</dd>

</dl>

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