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.

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.

Growth

Incredible+175.9%

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

Returns

Incredible0.5%

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

Great4.3★

avg incumbent rating — lower means beatable quality

Brand share

Good63%

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

Conversion

Okay3.6%

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

Competition

Okay61%

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

Review moat

Bad4,411.24

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$35K

$35K/yr · 38K searches

Signals Trending No Dominant Brand

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

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

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.

Open Trend

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.

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

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$23.614.4★57 rev

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$22.083.7★20 rev

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$39.713.9★1,561 rev

NOW Foods Supplements Liquid Melatonin 3 mg Per Serving Fast Absorbtion and Great Taste 2-Ounces

NOW Foods$5.854.3★934 rev

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$19.994.3★414 rev

Newest

by launch date

ISDIN Lambdapil Thinning Hair Density Lotion Melatonin 3.4 fl oz

ISDIN$68.5312 rev

1mo ago

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$23.177 rev

2mo ago

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$41.4967 rev

1y ago

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$22.0820 rev

1y ago

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$17.2651,438 rev

2y ago

What buyers say about topical melatonin for hair growth

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

What buyers love

Quality-Overall16%

“Excellent product”

Hair Growth14%

“It helps promote healthy hair growth”

Smell8%

“Love the smell”

Sleep Quality7%

“sleeping better”

Value For Money5%

“Good Deal”

Ease Of Use4%

“ease of use”

Soft Feel3%

“Soft”

Efficiency3%

“Does work”

Ease Of Application2%

“easy to apply”

Taste-Overall2%

“Ive been using this for a few months and it worked great and tasted good”

What buyers complain about

Functionality-Overall10%

“DOESN'T WORK”

Oily/Greasy8%

“Very oily”

Taste-Overall6%

“Taste has changed”

Hair Related6%

“However it made my hair fall out like crazy”

Dosage4%

“Requires a lot of the liquid to take even a half of the dose”

Smell4%

“it has a very pungent odor”

Allergies4%

“Irritation soon followed”

Quality-Overall3%

“EXTREMELY disappointed in the quality”

Side Effects3%

“Hell, even just a couple hours after eating if I take it I will feel nauseous”

Leak-Proof3%

“the bottle leaks”

Top return reasons

Oily/Greasy16%

Functionality-Overall13%

Smell10%

Advertised Vs Actual Product8%

Product Condition7%

Damage/Burn Hair6%

Value For Money6%

Leak-Proof5%

Defective Material/Parts3%

Suitability Short Hair3%

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.