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51

finasteride

Worth a look

Shows low returns (0.2%), but weak search conversion (1.5%) keeps it on the watch list.

Market size 55Growth 32Conversion 19Competition 20Returns 99Price range 92Avg price 95Brand share 44Review moat 24Quality gap 82

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Avg price

Incredible$33.65

avg listing price — sweet spot $15–$100

Price range

Great$12.71–$85.47

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

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Market size

Good$395K

$395K/yr · 777K searches

Brand share

Okay79%

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

Growth

Okay+5.8%

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

Review moat

Bad6,322.58

avg incumbent reviews — the moat a new listing must climb

Competition

Bad77%

top-5 click share — a locked-up shelf

Conversion

Bad1.5%

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

According to Flapen's Amazon United States niche tracking, finasteride is a $395K/yr Amazon United States market (777K searches/yr). The top 5 brands hold 79% of demand. Verdict: Worth a look — 51/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

finasteride market data

Units sold / yr
6K–8K
avg 250–500/product
Revenue / yr
$202K–$269K
units × avg price
Conversion rate
1.5%
Avg BSR
#88
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
4.7%
Avg brand age
45 months
Avg seller age
153 days

Competition & brand share

The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.

Brands

11 falling

Sellers

49

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

77%

Top 20: 100%

Open market

16%

  • Advanced Trichology36%
  • IXYAY RESEARCH21%
  • Oricanto11%
  • HIMS & HERS5%
  • Rogaine5%
  • FUZYAT5%
  • Open — no brand owns it (5 brands, 16%)

Demand & seasonality

Weekly Amazon search volume, last 100 weeks — +5.8% search growth over the last 90 days.
20K15KSpike '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top finasteride search terms

  • finasteride641K/yr
  • finasteride for men hair loss49K/yr
  • finasteride 1 mg26K/yr
  • finasteride for men12K/yr
  • finasteride for women12K/yr
  • finasteride 1mg8K/yr
  • finasterida para la cada del cabello3K/yr
  • finasterida8K/yr
  • finesteride5K/yr
  • finastride4K/yr
All search terms

Top finasteride 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%$39K20%$79K30%$118K40%$158K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 12 tracked products in this niche — three views at once, no toggling.

What buyers say about finasteride

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

What buyers love

Quality-Overall20%

“Excellent product”

Hair Growth19%

“My bfsaid it is very effective on his hair”

Value For Money6%

“Reasonable price”

Efficiency6%

“Works great”

Ease Of Use5%

“Easy to use”

Vitamin4%

“Great Supplement”

Advertised Vs Actual Product3%

“As advertised”

Side Effects3%

“No burping up any aftertaste so its been a pleasant experience so far”

Ease Of Chewing/Swallowing2%

“dont get stuck while swallowing”

Vegan/Organic2%

“Good product most natural ingredients”

What buyers complain about

Functionality-Overall15%

“No Results”

Value For Money10%

“it is a bit expensive”

Allergies8%

“Irritation on my neck”

Side Effects7%

“it's not cool that they don't include warnings for the effects it can cause”

Advertised Vs Actual Product5%

“not clearly visible in the pictures”

Hair Related4%

“I have not list any hair since beginning product”

Dosage3%

“I won't be able to take it”

Symptom Reduction3%

“Didnt seem to help”

Dispensing Mechanism3%

“Broken foam dispenser”

Thickness3%

“noticing I had some thin spots”

Top return reasons

Functionality-Overall26%
Value For Money17%
Advertised Vs Actual Product12%
Defective Material/Parts10%
Side Effects7%
Smell4%
Certifications4%
Ease Of Use2%
Symptom Reduction2%
Quality-Overall2%

Common questions

Is finasteride profitable to sell on Amazon United States?
The niche generates $395K/yr across 12 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +5.8%. Flapen's verdict: Worth a look (51/100).
How competitive is the finasteride niche?
11 brands and 49 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 79% of demand.
What do buyers complain about in finasteride?
Top complaints mined from reviews: Functionality-Overall, Value For Money, Allergies. The return rate is 0.2%.
When does demand for finasteride peak?
Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the finasteride niche?
Listings span $12.71–$85.47; the average listing price is $33.65 (sweet spot $15–$100). The average incumbent carries 6,323 reviews — the moat a new listing must climb.