peptides for hair
Worth a lookShows low returns (0.9%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Avg price
Incredible$34.31avg listing price — sweet spot $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Price range
Good$14.32–$139.16cheapest 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
Good71%top-5 brand share — brands hold most of the demand
Market size
Good$344K$344K/yr · 359K searches
Competition
Okay62%top-5 click share — leaders hold, buyers still browse
Conversion
Okay2.8%search→purchase rate — share of searches ending in a sale
Review moat
Okay2,972.91avg 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
peptides for hair market data
- Units sold / yr
- 15K–20K
- avg 750–1,000/product
- Revenue / yr
- $515K–$686K
- units × avg price
- Conversion rate
- 2.8%
- Avg BSR
- #309
- Page quality
- 0%
- Prime
- 91%
- Sponsored
- 100%
- Out of stock
- 5.0%
- Avg brand age
- 43 months
- Avg seller age
- 142 days
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.Top peptides for hair search terms
- ghk-cu peptide hair60K/yr
- copper peptides for hair growth82K/yr
- peptides for hair35K/yr
- hair peptides21K/yr
- peptide hair serum22K/yr
- neurogan ghk-cu13K/yr
- copper peptides for hair16K/yr
- hair peptides for hair growth8K/yr
- peptide hair growth serum13K/yr
- neurogan15K/yr
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.
All 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
The Ordinary Multi-Peptide Serum for Hair Density Peptide-Powered Formula for Thicker Fuller Looking Hair 2 Fl Oz
The Ordinary$22.564.1★1,488 rev
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.$43.944.6★210 rev
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$49.754.2★257 rev
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$16.444.4★51,438 rev
Coregnosis Copper Hair Serum for Thicker Looking Hair & Scalp Vitality
Coregnosis$21.595.0★4 rev
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
DAYEAH$25.067 rev
Copper Peptides for Hair Growth
XILRVON$15.909 rev
Cura Peptide Hair Growth Serum Support Fuller-Looking Hair 1 Fl Oz
Optikind$24.463 rev
Coregnosis Copper Hair Serum for Thicker Looking Hair & Scalp Vitality
Coregnosis$21.594 rev
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$40.9315 rev
Trending
90-day click momentumCura Peptide Hair Growth Serum Support Fuller-Looking Hair 1 Fl Oz
Optikind$24.465.0★
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$19.304.3★
Coregnosis Copper Hair Serum for Thicker Looking Hair & Scalp Vitality
Coregnosis$21.595.0★
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$24.344.4★
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$40.934.6★
What buyers say about peptides for hair
What buyers praise and complain about, mined from review topics.What buyers love
“Quality product and easy to use”
“helped new hair growth”
“Skin has improved”
“Worth it”
“no weird smell”
“Absorbs nicely”
“The spray is easy to use”
“I appreciate that it is easy to apply and absorbs quickly”
“Intensely moisturizing”
“It makes it feel very smooth and silky”
What buyers complain about
“randomly stops working”
“It doesnt have a strong scent”
“The hair is starting to come back”
“Gave me a rash”
“A bit oily”
“Waste of money”
“The blue color was odd”
“Questionable Quality”
“Liquid is thick”
“that's not what it says”
Top return reasons
Common questions
- Is peptides for hair profitable to sell on Amazon United States?
- 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).
- How competitive is the peptides for hair niche?
- 18 brands and 52 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 71% of demand.
- What do buyers complain about in peptides for hair?
- Top complaints mined from reviews: Functionality-Overall, Smell, Hair Related. The return rate is 0.9%.
- What does it cost to enter the peptides for hair niche?
- 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.