---
title: "Topical Melatonin for Hair Growth — $35K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/topical-melatonin-for-hair-growth"
last_updated: "2026-08-09T19:23:11.800Z"
locale: en
meta:
description: "Niche score 61/100 · $35K/yr market · 38K 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 61/100 · $35K/yr market · 38K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Topical Melatonin for Hair Growth — $35K/yr Amazon US Niche (2026) - Flapen"
---
# **topical melatonin for hair growth**
**Worth a look**
Shows demand growing +175.9% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 9Growth 97Conversion 46Competition 40Returns 97Price range 83Avg price 95Brand share 70Review moat 25Quality gap 76
**Growth**
**Incredible****+175.9%**
90-day search growth — must beat 0% to launch
**Returns**
**Incredible****0.5%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$25.09**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$5.85–$68.53**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Good****63%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Okay****3.6%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Okay****61%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Bad****4,411.24**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$35K**
$35K/yr · 38K searches
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** 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, topical melatonin for hair growth is a $35K/yr Amazon United States market (38K searches/yr). The top 5 brands hold 63% of demand. Verdict: Worth a look — 61/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **topical melatonin for hair growth market data**
- **Units sold / yr**
- **2K–2K**
- avg 100–250/product
- **Revenue / yr**
- **$38K–$50K**
- units × avg price
- **Conversion rate**
- **3.6%**
- **Avg BSR**
- **#608**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **88%**
- **Out of stock**
- **2.4%**
- **Avg brand age**
- **57 months**
- **Avg seller age**
- **154 days**
## **Competition & brand share**
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**22 **▲rising
**Sellers**
**59**
**Top-5 brand share**
**63%**
Top 20: 98%
**Top-5 click share**
**61%**
Top 20: 96%
**Open market**
**29%**
- Advanced Trichology14% - nfuse14% - Hair Aura14% - NOW Foods11% - Dr. Berg Nutritionals9% - Pure Encapsulations8%
## **Demand**
Weekly Amazon search volume, last 50 weeks — +175.9% search growth over the last 90 days.
4K3KSpike '25Spike '26Jul '25Sep '25Nov '25Jan '26Mar '26May '26
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/topical-melatonin-for-hair-growth/trend)
## **Top topical melatonin for hair growth search terms**
- **topical melatonin**15K/yr+274.2%3.8% conv. - **topical melatonin for hair growth**15K/yr+215.7%3.2% conv. - **nutra m**3K/yr+13.3%9.2% conv. - **nutra m hair growth serum**4K/yr-20.2%3.2% conv. - **nutram**2K/yr-0.5%5.1% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/topical-melatonin-for-hair-growth/search-terms)
## **Top topical melatonin for hair growth 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%4%$1K8%$3K12%$4K16%$6K1101001K10K100K 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**nfuse NightCap Hair Growth Serum with Melatonin Magnesium & Peptides Nighttime Scalp Serum for Thinning Hair Reduces Shedding & Supports Fuller Thicker Healthier Hair Relaxation & Sleep Support**nfuse**$23.61**4.4★57 rev](https://www.amazon.com/dp/B0BVS1ZYW9) [2**Hair Aura Topical Melatonin for Hair Loss | Hair Loss Fighting Formula with Melatonin Biotin & Ginkgo Biloba | Paraben and Gluten Free | For Men and Women | 2oz**Hair Aura**$22.08**3.7★20 rev](https://www.amazon.com/dp/B0DT426HS4) [3**NutraM Hair Growth Serum Dermatologist Tested | Scalp DHT Blocker for Thinning Hair Men and Women Backed by 20 Years of Hair Regrowth Clinic Experience**Advanced Trichology**$39.71**3.9★1,561 rev](https://www.amazon.com/dp/B07NF9RMHD) [4**NOW Foods Supplements Liquid Melatonin 3 mg Per Serving Fast Absorbtion and Great Taste 2-Ounces**NOW Foods**$5.85**4.3★934 rev](https://www.amazon.com/dp/B002MFOO3A) [5**Dr. Berg Scalp & Hair Serum (Improved Formula) with Vitamin D3 & E - Clinically Tested Paraben- and Sulfate-Free Hair Oil for Women & Men - Includes Rosemary Oil Castor Oil & Jojoba Oil - 2 Fl oz**Dr. Berg Nutritionals**$19.99**4.3★414 rev](https://www.amazon.com/dp/B0CW251R7Q)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**ISDIN Lambdapil Thinning Hair Density Lotion Melatonin 3.4 fl oz**ISDIN**$68.53**12 rev1mo ago](https://www.amazon.com/dp/B0H2G3LSYV) [**Hair Growth Serum Roll On - 5% Rosemary 3% Batana Oil for Hair Growth 3% Biotin 3% Redensyl 2% Anagain| Serum for Hair Loss & Hair Regrowth For Men & WomenPatented formula**HAIR FERTILIZER**$23.17**7 rev2mo ago](https://www.amazon.com/dp/B0GYDCJFZS) [**Topical Hair Treatment by Deoxygain - Advanced Hair Growth Formula with 2DDR to Stimulate Follicles Block DHT & Support Hair Regrowth Thicker Fuller Hair Scalp Coverage for Men and Women - 2 fl oz**Deoxygain**$41.49**67 rev1y ago](https://www.amazon.com/dp/B0F23C7B2L) [**Hair Aura Topical Melatonin for Hair Loss | Hair Loss Fighting Formula with Melatonin Biotin & Ginkgo Biloba | Paraben and Gluten Free | For Men and Women | 2oz**Hair Aura**$22.08**20 rev1y ago](https://www.amazon.com/dp/B0DT426HS4) [**PURA DOR Scalp & Hair Strengthening Oil Supports Optimal Growth Reduce Breakage Nourish Roots for Healthier Fuller Thicker Hair - Rosemary Castor & Peppermint Oil: 3.3 Oz Hair Regrowth Tonic**PURA D'OR**$17.26**51,438 rev2y ago](https://www.amazon.com/dp/B0D96YYL5W)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Hair Growth Serum Roll On - 5% Rosemary 3% Batana Oil for Hair Growth 3% Biotin 3% Redensyl 2% Anagain| Serum for Hair Loss & Hair Regrowth For Men & WomenPatented formula**HAIR FERTILIZER**$23.17**4.3★**▲ 133%**](https://www.amazon.com/dp/B0GYDCJFZS) [**ISDIN Lambdapil Thinning Hair Density Lotion Melatonin 3.4 fl oz**ISDIN**$68.53**4.2★**▲ 131%**](https://www.amazon.com/dp/B0H2G3LSYV) [**PURA DOR Scalp & Hair Strengthening Oil Supports Optimal Growth Reduce Breakage Nourish Roots for Healthier Fuller Thicker Hair - Rosemary Castor & Peppermint Oil: 3.3 Oz Hair Regrowth Tonic**PURA D'OR**$17.26**4.4★**▲ 113%**](https://www.amazon.com/dp/B0D96YYL5W) [**Vitamatic Melatonin 20mg Liquid Drops 2 Fluid Ounce (59ml) Natural Berry Flavor for Adults Non-GMO Vegetarian Supplement**Vitamatic**$11.89**4.4★**▲ 109%**](https://www.amazon.com/dp/B0BJVXY34F) [**Difeel Rosemary and Mint Premium Hair Oil with Biotin 7.1 oz. - Natural Rosemary Oil for Hair Growth & Biotin**Difeel**$7.84**4.5★**▲ 105%**](https://www.amazon.com/dp/B0B64BKP2Q)
**~~View all trending →~~**
## **What buyers say about topical melatonin for hair growth**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**16%
*“Excellent product”*
**Hair Growth**14%
*“It helps promote healthy hair growth”*
**Smell**8%
*“Love the smell”*
**Sleep Quality**7%
*“sleeping better”*
**Value For Money**5%
*“Good Deal”*
**Ease Of Use**4%
*“ease of use”*
**Soft Feel**3%
*“Soft”*
**Efficiency**3%
*“Does work”*
**Ease Of Application**2%
*“easy to apply”*
**Taste-Overall**2%
*“Ive been using this for a few months and it worked great and tasted good”*
### **What buyers complain about **
**Functionality-Overall**10%
*“DOESN'T WORK”*
**Oily/Greasy**8%
*“Very oily”*
**Taste-Overall**6%
*“Taste has changed”*
**Hair Related**6%
*“However it made my hair fall out like crazy”*
**Dosage**4%
*“Requires a lot of the liquid to take even a half of the dose”*
**Smell**4%
*“it has a very pungent odor”*
**Allergies**4%
*“Irritation soon followed”*
**Quality-Overall**3%
*“EXTREMELY disappointed in the quality”*
**Side Effects**3%
*“Hell, even just a couple hours after eating if I take it I will feel nauseous”*
**Leak-Proof**3%
*“the bottle leaks”*
### **Top return reasons **
**Oily/Greasy**16%
**Functionality-Overall**13%
**Smell**10%
**Advertised Vs Actual Product**8%
**Product Condition**7%
**Damage/Burn Hair**6%
**Value For Money**6%
**Leak-Proof**5%
**Defective Material/Parts**3%
**Suitability Short Hair**3%
## **Common questions**
- **Is topical melatonin for hair growth profitable to sell on Amazon United States?**
- The niche generates $35K/yr across 25 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +175.9%. Flapen's verdict: Worth a look (61/100).
- **How competitive is the topical melatonin for hair growth niche?**
- 22 brands and 59 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 63% of demand.
- **What do buyers complain about in topical melatonin for hair growth?**
- Top complaints mined from reviews: Functionality-Overall, Oily/Greasy, Taste-Overall. The return rate is 0.5%.
- **What does it cost to enter the topical melatonin for hair growth niche?**
- Listings span $5.85–$68.53; the average listing price is $25.09 (sweet spot $15–$100). The average incumbent carries 4,411 reviews — the moat a new listing must climb.
## **Related niches in Beauty & Personal Care**
- 75 [**bio oil lotion**](https://flapen.com/research/us/beauty-personal-care/bio-oil-lotion)$654K/yr+95.9%**Worth a look**- 75 [**glossier futuredew serum**](https://flapen.com/research/us/beauty-personal-care/glossier-futuredew-serum)$344K/yr+383.6%**Worth a look**- 75 [**press on toenails**](https://flapen.com/research/us/beauty-personal-care/press-on-toenails)$2.4M/yr+79.4%**Launch it**- 75 [**skulta deep peptide eye mask**](https://flapen.com/research/us/beauty-personal-care/skulta-deep-peptide-eye-mask)$58K/yr>1,000%**Worth a look**- 75 [**mineral sunscreen spray**](https://flapen.com/research/us/beauty-personal-care/mineral-sunscreen-spray)$3.8M/yr+183.8%**Launch it**- 76 [**collagen oil**](https://flapen.com/research/us/beauty-personal-care/collagen-oil)$344K/yr+116.2%**Worth a look**[**All Beauty & Personal Care niches **](https://flapen.com/research/us/beauty-personal-care)