alphosyl shampoo
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible18.7%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Market size
Good£582K£582K/yr · 393K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay2,940.33avg incumbent reviews — the moat a new listing must climb
Avg price
Bad£7.90avg listing price — sweet spot $15–$100
Growth
Bad-27.5%90-day search growth — must beat 0% to launch
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Price range
Bad£5.88–£8.91cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, alphosyl shampoo is a £582K/yr Amazon United Kingdom market (393K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Jun–Jul. Verdict: Skip it — 38/100.
Data updated Jul 18, 2026 · scored weekly · How we score niches
alphosyl shampoo market data
- Units sold / yr
- 60K–80K
- avg 6,000–8,000/product
- Revenue / yr
- £474K–£632K
- units × avg price
- Conversion rate
- 18.7%
- Avg BSR
- #20
- Page quality
- 0%
- Prime
- 67%
- Sponsored
- 67%
- Out of stock
- 0.0%
- Avg brand age
- 61 months
- Avg seller age
- 160 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
3 falling
Sellers
31
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- Polytar82%
- Chemist Direct13%
- Neutrogena5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -27.5% search growth over the last 90 days.Peak months: May, Jun, Jul · busiest ÷ quietest = 3.0×
Top alphosyl shampoo search terms
- polytar shampoo108K/yr
- coal tar shampoo94K/yr
- capasal therapeutic shampoo46K/yr
- polytar29K/yr
- polytar scalp shampoo29K/yr
- tar shampoo17K/yr
- capasal shampoo17K/yr
- coal tar10K/yr
- capasal9K/yr
- coal tar shampoo for psoriasis11K/yr
Top alphosyl shampoo 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 3 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Polytar Scalp Shampoo For Scalp Conditions Reduces Itching Inflammation and Scales Shampoo Treats Psoriasis Seborrhoeic Dermatitis Eczema and Dandruff Contains Coal Tar Solution 1 x 150ml
Polytar£8.904.5★5,466 rev

Capasal Therapeutic Shampoo
Chemist Direct£8.914.5★1,420 rev

Neutrogena T/Gel Scalp Relief Anti-Dandruff Shampoo (250ml) With 3% Salicylic Acid Suitable for Those Prone to Scalp Psoriasis and Seborrhoeic Dermatitis Packaging may vary
Neutrogena£5.884.5★1,935 rev
Newest
by launch date
Neutrogena T/Gel Scalp Relief Anti-Dandruff Shampoo (250ml) With 3% Salicylic Acid Suitable for Those Prone to Scalp Psoriasis and Seborrhoeic Dermatitis Packaging may vary
Neutrogena£5.881,935 rev

Polytar Scalp Shampoo For Scalp Conditions Reduces Itching Inflammation and Scales Shampoo Treats Psoriasis Seborrhoeic Dermatitis Eczema and Dandruff Contains Coal Tar Solution 1 x 150ml
Polytar£8.905,466 rev

Capasal Therapeutic Shampoo
Chemist Direct£8.911,420 rev
Trending
90-day click momentum
Polytar Scalp Shampoo For Scalp Conditions Reduces Itching Inflammation and Scales Shampoo Treats Psoriasis Seborrhoeic Dermatitis Eczema and Dandruff Contains Coal Tar Solution 1 x 150ml
Polytar£8.904.5★

Neutrogena T/Gel Scalp Relief Anti-Dandruff Shampoo (250ml) With 3% Salicylic Acid Suitable for Those Prone to Scalp Psoriasis and Seborrhoeic Dermatitis Packaging may vary
Neutrogena£5.884.5★

Capasal Therapeutic Shampoo
Chemist Direct£8.914.5★
What buyers say about alphosyl shampoo
What buyers praise and complain about, mined from review topics.What buyers love
“Great shampoo”
“good value”
“seems effective”
“This has a very mild clean scent”
“It works as advertised”
“Excellent for itchy scalp”
“This shampoo works wonders for my hair amd I will definitely be buying it again in the future”
“Clean hair”
“Lathers very easy”
“NICE WAY TO MAKE HAIR FEEL GOOD”
What buyers complain about
“Does nothing”
“The smell is lingering on me”
“I had an itchy”
“more expensive than this by a bit”
“Much worse than the old formula”
“Leave on hair while you complete bath or shower”
“Do not buy this drain cleaner”
“feel the dreaded itch again”
“I dont know what changes have been made from the dark brown liquis to this light colour”
“Not strong enough to clear my dandruff”
Top return reasons
Common questions
- Is alphosyl shampoo profitable to sell on Amazon United Kingdom?
- The niche generates £582K/yr across 3 tracked products. 90-day search growth is -27.5%. Flapen's verdict: Skip it (38/100).
- How competitive is the alphosyl shampoo niche?
- 3 brands and 31 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in alphosyl shampoo?
- Top complaints mined from reviews: Functionality-Overall, Smell, Allergies. The return rate is 0.2%.
- When does demand for alphosyl shampoo peak?
- Demand peaks in May–Jun–Jul; the busiest month runs 3.0× the quietest.
- What does it cost to enter the alphosyl shampoo niche?
- Listings span £5.88–£8.91; the average listing price is £7.90 (sweet spot $15–$100). The average incumbent carries 2,940 reviews — the moat a new listing must climb.