Is hair thickening shampoo for men profitable to sell on Amazon United Kingdom?

The niche generates £1.1M/yr across 24 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +22.6%. Flapen's verdict: Launch it (63/100).

How competitive is the hair thickening shampoo for men niche?

8 brands and 80 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 95% of demand.

What do buyers complain about in hair thickening shampoo for men?

Top complaints mined from reviews: Functionality-Overall, Hair Related, Value For Money. The return rate is 0.1%.

When does demand for hair thickening shampoo for men peak?

Demand is steady year-round — the busiest month runs 1.2× the quietest.

What does it cost to enter the hair thickening shampoo for men niche?

Listings span £2.88–£40.11; the average listing price is £13.93 (sweet spot $15–$100). The average incumbent carries 3,789 reviews — the moat a new listing must climb.

hair thickening shampoo for men

Launch it

A $1.1M/yr market growing +22.6% this quarter with returns at 0.1% — clears our launch bar.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great11.5%

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

Market size

Great£1.1M

£1.1M/yr · 693K searches

Price range

Good£2.88–£40.11

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

Avg price

Good£13.93

avg listing price — sweet spot $15–$100

Competition

Good49%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Growth

Good+22.6%

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

Review moat

Okay3,788.63

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad95%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, hair thickening shampoo for men is a £1.1M/yr Amazon United Kingdom market (693K searches/yr). The top 5 brands hold 95% of demand. Verdict: Launch it — 63/100.

Data updated Jul 20, 2026 · scored weekly · How we score niches

hair thickening shampoo for men market data

Units sold / yr: 60K–80K; avg 3,000–4,000/product
Revenue / yr: £836K–£1.1M; units × avg price
Conversion rate: 11.5%
Avg BSR: #217
Page quality: 0%
Prime: 88%
Sponsored: 29%
Out of stock: 0.4%
Avg brand age: 62 months
Avg seller age: 158 days

Competition & brand share

The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 rising

Sellers

Top-5 brand share

95%

Top 20: 100%

Top-5 click share

49%

Top 20: 94%

Open market

Alpecin80%
WATERMANS5%
by Amazon5%
ManCave3%
Creip3%
Plantur 392%
Open — no brand owns it (2 brands, 3%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +22.6% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.2×

Open Trend

Top hair thickening shampoo for men search terms

alpecin caffeine shampoo244K/yr +36.4%10.1% conv.
caffeine shampoo188K/yr -11.6%7.1% conv.
alpecin116K/yr +64.0%6.3% conv.
alpecin shampoo38K/yr +47.8%6.4% conv.
alpecin shampoo for men30K/yr -28.4%8.3% conv.
caffeine shampoo alpecin9K/yr +41.1%8.9% conv.
alpecin caffeine shampoo c16K/yr +208.3%7.0% conv.
alpecin c15K/yr +91.0%7.9% conv.
caffeine shampoo women10K/yr -3.4%2.5% conv.
mens caffeine shampoo6K/yr +19.7%11.0% conv.

All search terms

Top hair thickening shampoo for men 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

Alpecin Caffeine Shampoo C1 Black Edition - 2 x 250 ml - with new fragrance | Natural hair growth for men | Energy for strong hair | Hair Care for Men Made in Germany

Alpecin£13.854.5★4,468 rev

Alpecin Caffeine Shampoo C1 2x600ml | Against Thinning Hair | Shampoo for Stronger and Thicker Hair | Natural Hair Growth Shampoo for Men | Hair Care for Men Made in Germany

Alpecin£22.454.5★492 rev

Alpecin Caffeine Shampoo C1 2x 375ml | For Stronger and Thicker Hair | Natural Hair Growth Shampoo for Men | Made in Germany

Alpecin£14.084.5★10,425 rev

Alpecin Caffeine Shampoo C1 and Liquid | Natural Hair Growth for Men | Energizer for Strong Hair | Hair Care for Men Made in Germany | Set of 250ml Shampoo and 200ml Liquid

Alpecin£13.014.5★860 rev

Alpecin Hybrid Shampoo 1x 375ml | Natural Hair Growth Shampoo for Sensitive and Dry Scalps | Energizer for Strong Hair | Hair Care for Men Made in Germany

Alpecin£8.304.4★2,445 rev

Newest

by launch date

Alpecin Caffeine Shampoo C1 2x600ml | Against Thinning Hair | Shampoo for Stronger and Thicker Hair | Natural Hair Growth Shampoo for Men | Hair Care for Men Made in Germany

Alpecin£22.45492 rev

6mo ago

Biotin+ Caffeine Shampoo for Men & Women- Sulphate-Free DHT Blocker Thickening & Volumizing Hair Strengthens Fine & Thinning Hair- Biotin Shampoo with C+ Formula Hair Growth Shampoo 250ml/8.5 fl.oz

FIXXIE, fixxie£7.5945 rev

8mo ago

LOreal Paris Shampoo For Hair Growth And Anti Hair Loss Elvive Growth Booster With Aminexil And Niacinamide Prevents Hair Thinning and Reduces Loss In 12 Weeks For Visibly Fuller Hair 200ml

L'Oreal Paris£5.511,049 rev

1y ago

by Amazon Mens Caffeine Shampoo 2 x 400 ml

by Amazon£2.881,036 rev

2y ago

Alpecin Grey Attack Caffeine & Colour Shampoo for Men 1x 200ml | Gradually Darker and Stronger Hair | Controlled & Natural Looking Colour Effect for Less Greys | Against Thinning Hair

Alpecin£12.517,611 rev

2y ago

What buyers say about hair thickening shampoo for men

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

What buyers love

Hair Growth17%

“Less hair loss”

Quality-Overall15%

“Nice quality bottle”

Smell13%

“clean scent”

Value For Money10%

“Great value”

Soft Feel6%

“very soft”

Lather5%

“strong lather”

Advertised Vs Actual Product5%

“it does what it says”

Cleansing3%

“Cleans the scalp good too”

Ease Of Use3%

“easy to use”

Thickness2%

“is as thick as it has ever been”

What buyers complain about

Functionality-Overall12%

“Not effective at all”

Hair Related12%

“Its rough my hair it look like a broom my hair look like it”

Value For Money12%

“Expensive”

Allergies6%

“itchiness - beware”

Moist/Dry5%

“doesn't dry it out”

Smell4%

“the smell is pure chemicals”

Quality-Overall4%

“Poor quality”

Suitability Colored Hair4%

“as it always feels like the shampoo strips the colour”

Color3%

“I looked more grey than before”

Suitability Short Hair3%

“Not thicker hair”

Top return reasons

Leak-Proof36%

Functionality-Overall12%

Advertised Vs Actual Product6%

Quality-Overall6%

Value For Money5%

Suitability Short Hair4%