finasteride
Skip itSoft demand (-24.4% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Avg price
Incredible£23.15avg listing price — sweet spot $15–$100
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Price range
Good£5.65–£39.84cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay83%top-5 brand share — brands hold most of the demand
Review moat
Okay3,467.93avg incumbent reviews — the moat a new listing must climb
Competition
Bad73%top-5 click share — a locked-up shelf
Conversion
Bad1.7%search→purchase rate — share of searches ending in a sale
Market size
Bad£60K£60K/yr · 149K searches
Growth
Bad-24.4%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, finasteride is a £60K/yr Amazon United Kingdom market (149K searches/yr). The top 5 brands hold 83% of demand. Verdict: Skip it — 42/100.
Data updated Jul 20, 2026 · scored weekly · How we score niches
finasteride market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- £69K–£93K
- units × avg price
- Conversion rate
- 1.7%
- Avg BSR
- #27
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 86%
- Out of stock
- 7.7%
- Avg brand age
- 48 months
- Avg seller age
- 181 days
Competition & brand share
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 rising
Sellers
34
Top-5 brand share
83%
Top 20: 100%
Top-5 click share
73%
Top 20: 100%
Open market
6%
- Truvenzara30%
- MANUAL14%
- Sons14%
- Regaine13%
- Nutrition Geeks12%
- xpecia11%
- Open — no brand owns it (3 brands, 6%)
Demand
Weekly Amazon search volume, last 45 weeks — -24.4% search growth over the last 90 days.Top finasteride search terms
- finasteride84K/yr
- finasteride tablets for men24K/yr
- manual11K/yr
- minoxidil tablets for men6K/yr
- manual hair loss treatment for men13K/yr
- oral minoxidil tablets for men2K/yr
- finasteride tablets4K/yr
- manual hair4K/yr
- manuel hair2K/yr
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.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Truvenzara DHT Blocker for Men 1127mg Advanced Hair Growth Supplement in Liquid-Filled Capsules with Biotin Vitamins & Herbal Complexes High Absorption
Truvenzara£17.784.4★150 rev
Biotin Hair Growth Supplement - 180 Vegan Tablets Enhanced with Zinc & Selenium Hair Vitamins Complex - Biotin 10000 mcg - Hair Skin and Nails Vitamins for Women & Men UK (Packaging Design May Vary)
Nutrition Geeks£5.654.4★12,562 rev
XPECIA FOR MEN ANTI HAIR LOSS DHT BLOCKER NEW HAIR GROWTH FORMULA (180 Tablets)
xpecia£38.204.1★295 rev
Manual Biotin & Collagen Hair Growth Vitamins (30 Capsules) Supports Thicker Healthier Hair with Essential Nutrients for Hair Loss & Thinning Take 1 Daily 1 Month Supply
MANUAL£9.943.8★153 rev
Regaine For Men Extra Strength Foam - Scientifically Proven To Help Stop Hereditary Hair Loss - Minoxidil Foam for Hair Regrowth - (3 x 73ml) Packaging May Vary
Regaine£37.554.0★8,578 rev
Newest
by launch date
Regaine Pre-Growth 2in1 Shampoo and Conditioner 248 ml for Hair Care with Triple Acid Complex to Help Visibly Thicken and Prepare Scalp for Hair Regrowth Treatments
Regaine£9.3828 rev
Scalp Science Advanced DHT Blocker Tablets Hair Growth Vitamins for Men and Women 10 000mcg Biotin + Pumpkin Seed & Nettle Root 90 Vegan Capsules
Nutra Science£19.897 rev
Truvenzara DHT Blocker for Men 1127mg Advanced Hair Growth Supplement in Liquid-Filled Capsules with Biotin Vitamins & Herbal Complexes High Absorption
Truvenzara£17.78150 rev
Manual 5% Minoxidil (3 x 60ml) Formula For Men - Increases Blood Flow To Follicles - Promotes Growth for Longer Thicker Hair - Stimulates Hair Regrowth - Easy To Apply Spray - 3 Month Supply
MANUAL£39.84166 rev
Manual Biotin & Collagen Hair Growth Vitamins (30 Capsules) Supports Thicker Healthier Hair with Essential Nutrients for Hair Loss & Thinning Take 1 Daily 1 Month Supply
MANUAL£9.94153 rev
Trending
90-day click momentumRegaine Pre-Growth 2in1 Shampoo and Conditioner 248 ml for Hair Care with Triple Acid Complex to Help Visibly Thicken and Prepare Scalp for Hair Regrowth Treatments
Regaine£9.384.4★
Scalp Science Advanced DHT Blocker Tablets Hair Growth Vitamins for Men and Women 10 000mcg Biotin + Pumpkin Seed & Nettle Root 90 Vegan Capsules
Nutra Science£19.893.7★
Regaine For Men Extra Strength Foam - Scientifically Proven To Help Stop Hereditary Hair Loss - Minoxidil Foam for Hair Regrowth - 73ml Packaging may vary
Regaine£20.113.6★
Truvenzara DHT Blocker for Men 1127mg Advanced Hair Growth Supplement in Liquid-Filled Capsules with Biotin Vitamins & Herbal Complexes High Absorption
Truvenzara£17.784.4★
Sons Complete Hair Loss Treatment for Men. Minoxidil 5% for Hair Regrowth Vegan Biotin for Hair DHT Blocking & Thickening Shampoo with Citrus Scent. 1 Month Supply. Made in Europe.
Sons£31.263.9★
What buyers say about finasteride
What buyers praise and complain about, mined from review topics.What buyers love
“Less hair loss”
“Great product and works as intended”
“Best value”
“The scent is clean”
“Easy to swallow”
“As described”
“easy to use”
“is as thick as it has ever been”
“It does work”
“very soft”
What buyers complain about
“Did not work”
“Not worth it”
“hair would fall out in chunks”
“Seborrheic dermatitis”
“not thicker”
“Terrible product”
“can broke after 5 uses or so”
“the smell is pure chemicals”
“made absolutely no difference to hair shedding or growth”
“felt quite dry”
Top return reasons
Common questions
- Is finasteride profitable to sell on Amazon United Kingdom?
- The niche generates £60K/yr across 14 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -24.4%. Flapen's verdict: Skip it (42/100).
- How competitive is the finasteride niche?
- 9 brands and 34 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 83% of demand.
- What do buyers complain about in finasteride?
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Hair Related. The return rate is 0.2%.
- What does it cost to enter the finasteride niche?
- Listings span £5.65–£39.84; the average listing price is £23.15 (sweet spot $15–$100). The average incumbent carries 3,468 reviews — the moat a new listing must climb.