dht blocker serum
Skip itA small market ($35K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Avg price
Great$22.63avg listing price — sweet spot $15–$100
Price range
Great$13.81–$43.43cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Brand share
Okay77%top-5 brand share — brands hold most of the demand
Conversion
Okay2.8%search→purchase rate — share of searches ending in a sale
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Growth
Okay+3.6%90-day search growth — must beat 0% to launch
Review moat
Bad10,431.32avg incumbent reviews — the moat a new listing must climb
Market size
Bad$35K$35K/yr · 55K searches
According to Flapen's Amazon United States niche tracking, dht blocker serum is a $35K/yr Amazon United States market (55K searches/yr). The top 5 brands hold 77% of demand. Verdict: Skip it — 47/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
dht blocker serum market data
- Units sold / yr
- 3K–3K
- avg 100–250/product
- Revenue / yr
- $57K–$68K
- units × avg price
- Conversion rate
- 2.8%
- Avg BSR
- #312
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.7%
- Avg brand age
- 41 months
- Avg seller age
- 143 days
Competition & brand share
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.Brands
13 rising
Sellers
33
Top-5 brand share
77%
Top 20: 100%
Top-5 click share
65%
Top 20: 100%
Open market
18%
- PURA D'OR30%
- Hair Thickness Maximizer25%
- Shapiro MD Hair Growth Experts10%
- NUBIAN NUTRIFIED7%
- The Ordinary6%
- Deoxygain5%
- Open — no brand owns it (7 brands, 18%)
Demand
Weekly Amazon search volume, last 42 weeks — +3.6% search growth over the last 90 days.Top dht blocker serum search terms
- dht blocker serum20K/yr
- dht blocker oil8K/yr
- purador hair serum11K/yr
- topical dht blocker5K/yr
- dht blocker spray6K/yr
- dht blocker topical3K/yr
- pura dor serum2K/yr
Top dht blocker 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.
All 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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

DHT Blocker for Women Men Strengthens & Hydrates Thinning Dry Hair for a Healthier-Looking Scalp Vegan & Unscented 1oz Serum
Hair Thickness Maximizer$15.774.1★1,228 rev

Shapiro MD Hair Growth Experts Leave-In Daily Foam DHT Fighting Vegan Formula for Thinning Hair Developed by Dermatologists Experience Healthier Fuller & Thicker Looking Hair 1 Month Supply
Shapiro MD Hair Growth Experts$18.334.0★2,601 rev

Nubian Nutrified Organic Pumpkin Seed Oil - DHT Blocker for Women Hair Growth - DHT Blocker For Men - Pumpkin Seed Oil for Hair Growth
NUBIAN NUTRIFIED$15.304.3★34 rev

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
Newest
by launch date
Bare Anatomy Advanced Hair Density Serum | 3% Redensyl 4% Anagain 3% Baicapil 1% Capilia Longa Rosemary Biotin & Rice Extract | Reduces Hair Fall Supports Hair Growth for Men & Women | 30 ml
Bare Anatomy$14.79225 rev

PURA DOR Advanced Hair & Scalp Serum For Hair Thinning with Copper Tri-Peptide Caffeine Botanical Extract Blend Fuller Appearance Strands Vegan Men & Women 3.3 Oz Hair Regrowth Tonic
PURA D'OR$25.4151,438 rev

Hair Growth Serum for Thinning Hair | Thicker Fuller Hair Thickening Serum | Rosemary Oil Saw Palmetto Biotin | Multi Peptides Redensyl Topical Caffeine Scalp Serum for Women | Density DHT Blocker
THORN & BERRY$14.0665 rev

Premium Hair Growth Serum Roll-On with Saw Palmetto Rosemary & Batana Oil | DHT Blocker with Biotin | Supports Hair | No-Rinse Fast-Absorbing Formula for Women & Men Pack of 1
Wachinas$16.9311 rev

Nubian Nutrified Organic Pumpkin Seed Oil - DHT Blocker for Women Hair Growth - DHT Blocker For Men - Pumpkin Seed Oil for Hair Growth
NUBIAN NUTRIFIED$15.3034 rev
Trending
90-day click momentum
Bare Anatomy Advanced Hair Density Serum | 3% Redensyl 4% Anagain 3% Baicapil 1% Capilia Longa Rosemary Biotin & Rice Extract | Reduces Hair Fall Supports Hair Growth for Men & Women | 30 ml
Bare Anatomy$14.794.2★

Hair Growth Serum for Thinning Hair | Thicker Fuller Hair Thickening Serum | Rosemary Oil Saw Palmetto Biotin | Multi Peptides Redensyl Topical Caffeine Scalp Serum for Women | Density DHT Blocker
THORN & BERRY$14.064.4★

Trybello Hair Helper Spray | DHT Blocker Hair Growth Serum with Biotin Castor Oil & Caffeine | Topical for Thicker Fuller Strands | Anti Thinning Vegan Cruelty-Free Formula
Trybello$30.764.2★

PURA DOR Advanced Hair & Scalp Serum For Hair Thinning with Copper Tri-Peptide Caffeine Botanical Extract Blend Fuller Appearance Strands Vegan Men & Women 3.3 Oz Hair Regrowth Tonic
PURA D'OR$25.414.4★

Botanic Hearth Hair Oil for Hair Growth | Rosemary Oil for Hair Growth with Biotin Castor & Jojoba | Hair Relaxers & Dry Scalp Treatment | Color Safe | All Hair Types | 6.7 Fl Oz
Botanic Hearth$16.824.4★
What buyers say about dht blocker serum
What buyers praise and complain about, mined from review topics.What buyers love
“It helps promote healthy hair growth”
“The scent is subtle and pleasant”
“Excellent product”
“Easy To Use”
“Easy to Apply”
“Great value”
“doesnt leave my hair greasy or weighed down”
“My hair feels soft”
“Maintains the moisture”
“absorbs nicely”
What buyers complain about
“I did not really receive good results”
“Leaves hair very oily”
“I'm not sure if there's really any change in my hair”
“strong smell”
“Waste of money”
“it so so so itchy it bothered me all day”
“Hell, even just a couple hours after eating if I take it I will feel nauseous”
“EXTREMELY disappointed in the quality”
“I saw very little improvement other than my hairline”
“Seems to Thicker”
Top return reasons
Common questions
- Is dht blocker serum profitable to sell on Amazon United States?
- The niche generates $35K/yr across 19 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is +3.6%. Flapen's verdict: Skip it (47/100).
- How competitive is the dht blocker serum niche?
- 13 brands and 33 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 77% of demand.
- What do buyers complain about in dht blocker serum?
- Top complaints mined from reviews: Functionality-Overall, Oily/Greasy, Hair Related. The return rate is 0.8%.
- What does it cost to enter the dht blocker serum niche?
- Listings span $13.81–$43.43; the average listing price is $22.63 (sweet spot $15–$100). The average incumbent carries 10,431 reviews — the moat a new listing must climb.