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Shampoo Cap

Shampoo Cap shows low returns (0.4%), but soft demand (-9.6% this quarter) keeps it on the watch list.

Flapen Score

54
Worth a look

Top 19% of 2,481 Beauty niches · +7 vs the category median of 47

Market size 56Growth 20Conversion 96Competition 26Returns 98Price range 24Avg price 42Brand share 59Review moat 46Quality gap 73
This niche Category average · 2,481 niches

Is Shampoo Cap profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Shampoo Cap is a £420K/yr Amazon United Kingdom market (272K searches/yr). The top 5 brands hold 70% of demand. Verdict: Worth a look — 54/100.

Shampoo Cap: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -9.6% over the last 90 days and 13.9% of searches end in a purchase.

£420K

revenue / yr

Units sold / yr40K
Search volume / yr-9.6%272K
Conversion rate13.9%
Avg price£11.07

Who owns the niche?

The top 5 brands hold 70% of demand, so 30% of the market is open.

30%

open market share

Brands · sellers12 · 21
Top-5 product click share70%
Open market30%
Avg brand age43 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.

0/100

page quality · 12 products

Sponsored placement83%
New entrants (1y)0· 0 succeeded
Avg rating4.3★
Avg reviews1,915

Top Shampoo Cap products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.

£0£21K£42K£63K£84K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

12 flat

Sellers

21

Top-5 brand share

70%

Top 20: 100%

Top-5 click share

70%

Top 20: 100%

Open market

23%

  • Omnitex19%
  • ALIA16%
  • Medcosa13%
  • Self Care11%
  • Luxura10%
  • Dymacare8%

Shampoo Cap demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume272KCVR13.9%Products12Brands12Top 5 Brands70%OOS Rate6.3%Rating4.3★Reviews1,915Avg BSR#398
6K4KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top Shampoo Cap search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • shampoo caps no rinse for elderly44K/yr
  • shampoo cap79K/yr
  • hair wash caps no water rinse free27K/yr
  • shampoo caps26K/yr
  • no rinse shampoo cap19K/yr
  • hair washing caps13K/yr
  • shampoo caps for bed bound to wash hair8K/yr
  • rinse free shampoo cap8K/yr
  • waterless shampoo cap4K/yr
  • hair wash cap7K/yr

What reviews say buyers love and hate about Shampoo Cap

What buyers mention most, as a share of all reviews.

What buyers love

77% of reviews
Ease Of Use25%

it was easy to put on

Quality-Overall14%

Reliable product

Smell11%

clean smells good highly recommend this seller

Ease Of Cleaning6%

Cleans beautifully and no mess

Soft Feel5%

Hair is so soft

What buyers complain about

61% of reviews
Oily/Greasy11%

still Greasy

Moist/Dry10%

Those saying the cap is dry

Value For Money7%

Waste of money

Quality-Overall6%

Absolute rubbish

Adhesion/Stickiness5%

No stickiness yet

Shampoo Cap return rate & reasons

Why buyers send it back, as a share of all return requests.

0.4%

Return rate

19%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Functionality-Overall
18%
2Advertised Vs Actual Product
7%
3Damage/Burn Hair
7%
4Durability
7%
5Oily/Greasy
6%

Common Shampoo Cap questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Shampoo Cap 54/100 on Amazon United Kingdom — Worth a look. The niche generates £420K/yr across 12 tracked products. Search demand moved -9.6% over the last 90 days.
Search demand for Shampoo Cap on Amazon United Kingdom is steady year-round — the busiest month runs 1.4× the quietest.