---
title: "shower cap — £559K/yr Amazon United Kingdom Niche, Score 49/100 - Flapen"
canonical_url: "https://flapen.com/research/uk/beauty/shower-cap"
last_updated: "2026-07-20T18:41:40.528Z"
locale: en
meta:
  description: "prices mostly outside the sweet spot ($2.50–$11.54) — shower cap doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "prices mostly outside the sweet spot ($2.50–$11.54) — shower cap doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "shower cap — £559K/yr Amazon United Kingdom Niche, Score 49/100 - Flapen"
---

# **shower cap**

**Skip it**

Prices mostly outside the sweet spot ($2.50–$11.54) — this niche doesn't clear our bar today.

Market size 62Growth 21Conversion 92Competition 28Returns 99Price range 0Avg price 14Brand share 56Review moat 39Quality gap 55

**Returns**

**Incredible****0.3%**

return rate — above 6% kills the launch gate

**Conversion**

**Great****11.2%**

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

**Market size**

**Good****£559K**

£559K/yr · 1.0M searches

**Brand share**

**Good****71%**

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

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****2,616.76**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Okay****68%**

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

**Growth**

**Bad****-8.3%**

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

**Avg price**

**Bad****£4.92**

avg listing price — sweet spot $15–$100

**Price range**

**Bad****£2.50–£11.54**

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

According to Flapen's Amazon United Kingdom niche tracking, shower cap is a £559K/yr Amazon United Kingdom market (1.0M searches/yr). The top 5 brands hold 71% of demand. Verdict: Skip it — 49/100.

Data updated Jul 18, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **Market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**100K–125K**</dd><dd>avg 4,000–5,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**£492K–£615K**</dd><dd>units × avg price</dd>

<dt>**Launch success**</dt><dd>**—**</dd><dd>0 of 0 new (360d)</dd>

<dt>**Conversion rate**</dt><dd>**11.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#17**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**76%**</dd>

<dt>**Out of stock**</dt><dd>**0.3%**</dd>

<dt>**Avg brand age**</dt><dd>**29 months**</dd>

<dt>**Avg seller age**</dt><dd>**191 days**</dd>

</dl>

## **Competition**

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**15 **▼falling

**Sellers**

**25**

**Top-5 brand share**

**71%**

Top 20: 100%

**Top-5 click share**

**68%**

Top 20: 100%

**Open market**

**24%**

- N Nimxy28% - SARG17% - Yiapinn13% - Aquior8% - Kitsch6% - Ailiver5%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -8.3% search growth over the last 90 days.

23K18K seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

[**Open Trend **](https://flapen.com/research/uk/beauty/shower-cap/trend)

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%£56K20%£112K30%£168K40%£223K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 17 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Nimxy Pack of 4 Shower Cap Reusable Shower Caps For Women & Men - Waterproof with Elastic Band & Soft Lining (Dotted)](https://m.media-amazon.com/images/I/51KQgvLBGeL.jpg)**Nimxy Pack of 4 Shower Cap Reusable Shower Caps For Women & Men - Waterproof with Elastic Band & Soft Lining (Dotted)**N Nimxy**£2.54**4.5★2,037 rev](https://www.amazon.co.uk/dp/B0BHTMK96V) [2![SARG Premium Double Layer Shower Cap for Women with Unique Flower Design- Reusable Shower Cap for Hair - Waterproof Plastic Cap - Shower Caps for Long Short and Curly Hairs](https://m.media-amazon.com/images/I/519MTjMla+L.jpg)**SARG Premium Double Layer Shower Cap for Women with Unique Flower Design- Reusable Shower Cap for Hair - Waterproof Plastic Cap - Shower Caps for Long Short and Curly Hairs**SARG**£3.93**4.5★1,269 rev](https://www.amazon.co.uk/dp/B0BS9C7M9B) [3![Shower Cap Elastic Band Double Layers Waterproof Shower Caps With Ruffled Edge Covering Ears Keeping Hair Dry Kitchen Oil-proof Cap for Girls and Women 2PCS](https://m.media-amazon.com/images/I/410ny-+xJQL.jpg)**Shower Cap Elastic Band Double Layers Waterproof Shower Caps With Ruffled Edge Covering Ears Keeping Hair Dry Kitchen Oil-proof Cap for Girls and Women 2PCS**Yiapinn**£4.26**4.5★1,931 rev](https://www.amazon.co.uk/dp/B0827HHPG5) [4![Kitsch Luxury Shower Caps for Women Reusable Waterproof - Flexi Satin Lined Large Wide Shower Cap for Women & Men Adjustable Stylish Hair Cap for Shower For Long & Short Hair - Terracotta Checker](https://m.media-amazon.com/images/I/51ZW5toirLL.jpg)**Kitsch Luxury Shower Caps for Women Reusable Waterproof - Flexi Satin Lined Large Wide Shower Cap for Women & Men Adjustable Stylish Hair Cap for Shower For Long & Short Hair - Terracotta Checker**Kitsch**£11.54**4.2★14,100 rev](https://www.amazon.co.uk/dp/B0C47F9WSH) [5![Shower Caps for Women Men Reusable Shower Hat Bath Caps with Elastic Band Waterproof Bath Cap Shower Caps for Women Long Hair (3 PCS)](https://m.media-amazon.com/images/I/51R10lu8q4L.jpg)**Shower Caps for Women Men Reusable Shower Hat Bath Caps with Elastic Band Waterproof Bath Cap Shower Caps for Women Long Hair (3 PCS)**Ailiver**£2.50**4.5★800 rev](https://www.amazon.co.uk/dp/B09P3MVHR5)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Kryzulax 50Pcs Shower Caps Disposable Plastic Elastic Bath Cap Waterproof Shower Cap Waterproof Hair Caps for Home Use Hotel Spa and Hair Salon(42CM)](https://m.media-amazon.com/images/I/41wxnlHWxyL.jpg)**Kryzulax 50Pcs Shower Caps Disposable Plastic Elastic Bath Cap Waterproof Shower Cap Waterproof Hair Caps for Home Use Hotel Spa and Hair Salon(42CM)**Kryzulax**£3.58**599 rev1y ago](https://www.amazon.co.uk/dp/B0F13Z8MJS) [![Years Calm Shower Caps For Women Reusable WaterproofPattern And Solid Color Dual-Layer Design For Dual-Layer UsableProtects Hair In Shower Spa Cooking Clean & Travel (Pink One Size)](https://m.media-amazon.com/images/I/41sh8kuM9EL.jpg)**Years Calm Shower Caps For Women Reusable WaterproofPattern And Solid Color Dual-Layer Design For Dual-Layer UsableProtects Hair In Shower Spa Cooking Clean & Travel (Pink One Size)**Years calm**£6.31**2,457 rev1y ago](https://www.amazon.co.uk/dp/B0DQCS268Z) [![SMUG Shower Cap | Waterproof Shower Cap with Elastic Lining | Three Prints Available | Showers Cooking Spa Salon Sleeping Makeup | Shower Caps For Women UK Long Hair Short Hair | Duck](https://m.media-amazon.com/images/I/51sWaYH4UpL.jpg)**SMUG Shower Cap | Waterproof Shower Cap with Elastic Lining | Three Prints Available | Showers Cooking Spa Salon Sleeping Makeup | Shower Caps For Women UK Long Hair Short Hair | Duck**SMUG**£6.79**644 rev2y ago](https://www.amazon.co.uk/dp/B0CZ6P1KW5) [![Double Layer Shower Cap for Women Waterproof Reusable Elastic Band Ruffled Edges Covering Ears for Long Short & Curly Hair (Blue Bird)](https://m.media-amazon.com/images/I/41hRA2TKh-L.jpg)**Double Layer Shower Cap for Women Waterproof Reusable Elastic Band Ruffled Edges Covering Ears for Long Short & Curly Hair (Blue Bird)**YUNYU**£3.48**543 rev2y ago](https://www.amazon.co.uk/dp/B0CSK662C3) [![Kitsch Luxury Shower Caps for Women Reusable Waterproof - Flexi Satin Lined Large Wide Shower Cap for Women & Men Adjustable Stylish Hair Cap for Shower For Long & Short Hair - Terracotta Checker](https://m.media-amazon.com/images/I/51ZW5toirLL.jpg)**Kitsch Luxury Shower Caps for Women Reusable Waterproof - Flexi Satin Lined Large Wide Shower Cap for Women & Men Adjustable Stylish Hair Cap for Shower For Long & Short Hair - Terracotta Checker**Kitsch**£11.54**14,100 rev2y ago](https://www.amazon.co.uk/dp/B0C47F9WSH)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![SMUG Shower Cap | Waterproof Shower Cap with Elastic Lining | Three Prints Available | Showers Cooking Spa Salon Sleeping Makeup | Shower Caps For Women UK Long Hair Short Hair | Duck](https://m.media-amazon.com/images/I/51sWaYH4UpL.jpg)**SMUG Shower Cap | Waterproof Shower Cap with Elastic Lining | Three Prints Available | Showers Cooking Spa Salon Sleeping Makeup | Shower Caps For Women UK Long Hair Short Hair | Duck**SMUG**£6.79**3.8★**▲ 77%**](https://www.amazon.co.uk/dp/B0CZ6P1KW5) [![Reusable Waterproof Shower Cap - Double Thick Leopard Red Border - Ideal for Bath & Shower - (1 Piece)](https://m.media-amazon.com/images/I/51x3Emf716L.jpg)**Reusable Waterproof Shower Cap - Double Thick Leopard Red Border - Ideal for Bath & Shower - (1 Piece)**Jagowa**£3.50**4.4★**▲ 58%**](https://www.amazon.co.uk/dp/B0B2NZSXSB) [![SARG Premium Double Layer Shower Cap for Women with Unique Flower Design- Reusable Shower Cap for Hair - Waterproof Plastic Cap - Shower Caps for Long Short and Curly Hairs](https://m.media-amazon.com/images/I/519MTjMla+L.jpg)**SARG Premium Double Layer Shower Cap for Women with Unique Flower Design- Reusable Shower Cap for Hair - Waterproof Plastic Cap - Shower Caps for Long Short and Curly Hairs**SARG**£3.93**4.5★**▲ 18%**](https://www.amazon.co.uk/dp/B0BS9C7M9B) [![Kitsch Luxury Shower Caps for Women Reusable Waterproof - Flexi Satin Lined Large Wide Shower Cap for Women & Men Adjustable Stylish Hair Cap for Shower For Long & Short Hair - Terracotta Checker](https://m.media-amazon.com/images/I/51ZW5toirLL.jpg)**Kitsch Luxury Shower Caps for Women Reusable Waterproof - Flexi Satin Lined Large Wide Shower Cap for Women & Men Adjustable Stylish Hair Cap for Shower For Long & Short Hair - Terracotta Checker**Kitsch**£11.54**4.2★**▲ 11%**](https://www.amazon.co.uk/dp/B0C47F9WSH) [![Double Layer Shower Cap for Women Waterproof Reusable Elastic Band Ruffled Edges Covering Ears for Long Short & Curly Hair (Blue Bird)](https://m.media-amazon.com/images/I/41hRA2TKh-L.jpg)**Double Layer Shower Cap for Women Waterproof Reusable Elastic Band Ruffled Edges Covering Ears for Long Short & Curly Hair (Blue Bird)**YUNYU**£3.48**4.5★**▲ 10%**](https://www.amazon.co.uk/dp/B0CSK662C3)

**~~View all trending →~~**

## **Reviews**

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

### **What buyers love **

**Quality-Overall**22%

*“It seems well made”*

**Value For Money**15%

*“Good Value”*

**Size-Overall**11%

*“Good fit”*

**Advertised Vs Actual Product**7%

*“Just what I was looking for”*

**Water Resistance**5%

*“completely waterproof”*

**Ease Of Use**4%

*“Easy to use”*

**Durability**4%

*“Durable”*

**Moist/Dry**4%

*“it keeps hair completely dry during showers”*

**Design-Overall**3%

*“Cute design”*

**Stretchability/Expandability/Elasticity**3%

*“They stretch big aswell so its a bonus”*

### **What buyers complain about **

**Size-Overall**31%

*“Not fit for purpose”*

**Quality-Overall**8%

*“Awful quality”*

**Stretchability/Expandability/Elasticity**6%

*“very tight elastic”*

**Durability**5%

*“Would not say reusable for a long time”*

**Color**5%

*“Colour pink inconsistent dying”*

**Suitability Long Hair**4%

*“No good for anyone with long hair”*

**Water Resistance**3%

*“the inside gets wet”*

**Value For Money**3%

*“not worth the money”*

**Ease Of Use**2%

*“Im struggling to get on with this”*

**Suitability Short Hair**2%

*“I have thick hair, it wouldn't stay on in the shower”*

### **Top return reasons **

**Size-Overall**47%

**Water Resistance**7%

**Quality-Overall**6%

**Functionality-Overall**5%

**Advertised Vs Actual Product**4%

**Thin**4%

**Suitability Long Hair**4%

**Stretchability/Expandability/Elasticity**4%

**Suitability Short Hair**3%

**Color**2%

## **Common questions**

<dl>

<dt>**Is shower cap profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £559K/yr across 17 tracked products. 90-day search growth is -8.3%. Flapen's verdict: Skip it (49/100).</dd>

<dt>**How competitive is the shower cap niche?**</dt><dd>15 brands and 25 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 71% of demand.</dd>

<dt>**What do buyers complain about in shower cap?**</dt><dd>Top complaints mined from reviews: Size-Overall, Quality-Overall, Stretchability/Expandability/Elasticity. The return rate is 0.3%.</dd>

<dt>**When does demand for shower cap peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.3× the quietest.</dd>

<dt>**What does it cost to enter the shower cap niche?**</dt><dd>Listings span £2.50–£11.54; the average listing price is £4.92 (sweet spot $15–$100). The average incumbent carries 2,617 reviews — the moat a new listing must climb.</dd>

</dl>

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