---
title: "Mooncup — £77K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/mooncup"
last_updated: "2026-07-31T22:01:36.861Z"
locale: en
meta:
description: "Niche score 42/100 · £77K/yr market · 65K searches/yr · £12.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · £77K/yr market · 65K searches/yr · £12.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Mooncup — £77K/yr Amazon UK Niche (2026) - Flapen"
---
# **mooncup**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 19Growth 24Conversion 85Competition 23Returns 99Price range 36Avg price 55Brand share 0Review moat 27Quality gap 82
**Returns**
**Incredible****0.2%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****9.4%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****£12.61**
avg listing price — sweet spot $15–$100
**Price range**
**Okay****£2.41–£21.95**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Okay****3,828.06**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-1.7%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****73%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****£77K**
£77K/yr · 65K searches
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, mooncup is a £77K/yr Amazon United Kingdom market (65K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug. Verdict: Skip it — 42/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mooncup market data**
- **Units sold / yr**
- **5K–6K**
- avg 100–250/product
- **Revenue / yr**
- **£63K–£76K**
- units × avg price
- **Conversion rate**
- **9.4%**
- **Avg BSR**
- **#49**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **94%**
- **Out of stock**
- **4.2%**
- **Avg brand age**
- **55 months**
- **Avg seller age**
- **205 days**
## **Competition & brand share**
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**12**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**73%**
Top 20: 100%
**Open market**
**0%**
- Mooncup81% - SHORDY11% - KAVODA5% - PEESAFE2% - EcoBlossom2% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -1.7% search growth over the last 90 days.
3K2KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/mooncup/trend)
## **Top mooncup search terms**
- **mooncup**28K/yr+24.1%9.5% conv. - **moon cup**19K/yr+4.1%6.1% conv. - **moon cups for periods**11K/yr-18.0%6.7% conv. - **mooncup menstrual cup**7K/yr-74.9%8.7% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/mooncup/search-terms)
## **Top mooncup 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.
0%10%£8K20%£15K30%£23K40%£31K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Mooncup High Waist Period Pants - Eco-Friendly Organic Cotton Period Underwear with Maximum Absorbency (Up to 10 Tampons) 180 Coverage - Leak-proof Reusable & Comfortable for Heavy Flow - Size 10**Mooncup**£17.19**4.1★45 rev](https://www.amazon.co.uk/dp/B0FLF1N1M7) [2**Mooncup Original Menstrual Cup - Medical-Grade Silicone Period Cup for Protection - Holds 3 Tampons Worth of Fluid - Toxin-Free Eco-Friendly & Easy to Insert - Size A (for 30+ or Post-Childbirth)**Mooncup**£18.85**4.4★3,481 rev](https://www.amazon.co.uk/dp/B001EC6FWK) [3**Mooncup Original Menstrual Cup - Medical-Grade Silicone Period Cup for Protection - Holds 3 Tampons Worth of Fluid - Toxin-Free Eco-Friendly & Easy to Insert - Size B (Under 30 or No Vaginal Birth)**Mooncup**£18.31**4.4★3,481 rev](https://www.amazon.co.uk/dp/B002WN6DBI) [4**Shordy Menstrual Cups First Period Starter Pack of 2 Kit with Mini Box Period Cup Medical Grade Silicone Feminine Hygiene Better Alternative to Sanitary Pads & Tampons for Girls - Small & Large**SHORDY**£12.80**4.3★8,717 rev](https://www.amazon.co.uk/dp/B08246VY1T) [5**Mooncup High Waist Period Pants - Eco-Friendly Organic Cotton Period Underwear with Maximum Absorbency (Up to 10 Tampons) 180 Coverage - Leak-proof Reusable & Comfortable for Heavy Flow - Size 8**Mooncup**£16.85**4.1★45 rev](https://www.amazon.co.uk/dp/B0FLDW5G1Y)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Mooncup High Waist Period Pants - Eco-Friendly Organic Cotton Period Underwear with Maximum Absorbency (Up to 10 Tampons) 180 Coverage - Leak-proof Reusable & Comfortable for Heavy Flow - Size 10**Mooncup**£17.19**45 rev11mo ago](https://www.amazon.co.uk/dp/B0FLF1N1M7) [**Mooncup High Waist Period Pants - Eco-Friendly Organic Cotton Period Underwear with Maximum Absorbency (Up to 10 Tampons) 180 Coverage - Leak-proof Reusable & Comfortable for Heavy Flow - Size 8**Mooncup**£16.85**45 rev11mo ago](https://www.amazon.co.uk/dp/B0FLDW5G1Y) [**Mooncup Low Waist Period Pants - Eco-Friendly Organic Cotton Period Underwear with Maximum Absorbency (Up to 10 Tampons) 180 Coverage Leak-proof Reusable & Comfortable for Heavy Flow - Size 16**Mooncup**£17.61**45 rev11mo ago](https://www.amazon.co.uk/dp/B0FLDVDZG2) [**Mooncup Low Waist Period Pants - Eco-Friendly Organic Cotton Period Underwear with Maximum Absorbency (Up to 10 Tampons) 180 Coverage Leak-proof Reusable & Comfortable for Heavy Flow - Size 14**Mooncup**£17.20**45 rev11mo ago](https://www.amazon.co.uk/dp/B0FLDZSBC2) [**Mooncup Pads with Wings - Biodegradable Pads Made with Organic Cotton for Irritation-Free Period Care Leak-Proof Plastic-Free Highly Absorbent Protection for Sensitive Skin - Medium/Day 10 Count**Mooncup**£2.41**386 rev1y ago](https://www.amazon.co.uk/dp/B0DX3SJXTQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Mooncup High Waist Period Pants - Eco-Friendly Organic Cotton Period Underwear with Maximum Absorbency (Up to 10 Tampons) 180 Coverage - Leak-proof Reusable & Comfortable for Heavy Flow - Size 10**Mooncup**£17.19**4.1★**▲ 124%**](https://www.amazon.co.uk/dp/B0FLF1N1M7) [**Mooncup High Waist Period Pants - Eco-Friendly Organic Cotton Period Underwear with Maximum Absorbency (Up to 10 Tampons) 180 Coverage - Leak-proof Reusable & Comfortable for Heavy Flow - Size 8**Mooncup**£16.85**4.1★**▲ 118%**](https://www.amazon.co.uk/dp/B0FLDW5G1Y) [**Mooncup Low Waist Period Pants - Eco-Friendly Organic Cotton Period Underwear with Maximum Absorbency (Up to 10 Tampons) 180 Coverage Leak-proof Reusable & Comfortable for Heavy Flow - Size 16**Mooncup**£17.61**4.1★**▲ 115%**](https://www.amazon.co.uk/dp/B0FLDVDZG2) [**Ecoblossom Small &Large Menstrual Cups - Medical-Grade Silicone Comfortable Leak-Proof Period Protection Up to 12 Hours. Pack of 1 Small Cup 22mL Capacity and 1 Large Menstrual Cup 30mL Capacity**EcoBlossom**£10.50**4.4★**▲ 47%**](https://www.amazon.co.uk/dp/B086JBZW48) [**Mooncup Low Waist Period Pants - Eco-Friendly Organic Cotton Period Underwear with Maximum Absorbency (Up to 10 Tampons) 180 Coverage Leak-proof Reusable & Comfortable for Heavy Flow - Size 14**Mooncup**£17.20**4.1★**▲ 38%**](https://www.amazon.co.uk/dp/B0FLDZSBC2)
**~~View all trending →~~**
## **What buyers say about mooncup**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Decent quality”*
**Leak-Proof**13%
*“never leaks”*
**Comfort-Overall**12%
*“Very comfortable”*
**Value For Money**8%
*“Good price”*
**Size-Overall**5%
*“I definitely recommend getting this its great it fits brilliantly I have no trouble putting in or taking out its really easy”*
**Soft Feel**3%
*“The top layer of cotton is pleasant to the body”*
**Durability**3%
*“they have held up well during a heavy day”*
**Ease Of Use**3%
*“Very easy to use”*
**Efficiency**3%
*“effective”*
**Allergies**2%
*“one of the most important thing for me is that i didn't had irritation after”*
### **What buyers complain about **
**Leak-Proof**7%
*“Leaked”*
**Ease Of Use**6%
*“can be tough to get into position”*
**Stiffness**6%
*“I would say the silicone is more rigid than my favourite brand so are a bit more”*
**Comfort-Overall**5%
*“not overly comfortable”*
**Strength**4%
*“Don't hold alot”*
**Value For Money**4%
*“expensive for 1 pair”*
**Allergies**4%
*“Ive been struggling with irritation for years”*
**Hard Feel**4%
*“Slightly hard”*
**Size-Overall**3%
*“The tail is too short”*
**Pain Relief-Overall**3%
*“which makes it painful to put in and very painful to pull out”*
### **Top return reasons **
**Size-Overall**62%
**Functionality-Overall**7%
**Leak-Proof**4%
**Comfort-Overall**3%
**Material Quality**3%
**Smell**3%
**Hard Feel**2%
**Contamination**2%
**Advertised Vs Actual Product**2%
**Thickness**2%
## **Common questions**
- **Is mooncup profitable to sell on Amazon United Kingdom?**
- The niche generates £77K/yr across 16 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -1.7%. Flapen's verdict: Skip it (42/100).
- **How competitive is the mooncup niche?**
- 5 brands and 12 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in mooncup?**
- Top complaints mined from reviews: Leak-Proof, Ease Of Use, Stiffness. The return rate is 0.2%.
- **When does demand for mooncup peak?**
- Demand peaks in Aug; the busiest month runs 1.7× the quietest.
- **What does it cost to enter the mooncup niche?**
- Listings span £2.41–£21.95; the average listing price is £12.61 (sweet spot $15–$100). The average incumbent carries 3,828 reviews — the moat a new listing must climb.
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