---
title: "Closys Mouthwash — £47K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/closys-mouthwash"
last_updated: "2026-07-31T08:13:48.384Z"
locale: en
meta:
description: "Niche score 39/100 · £47K/yr market · 22K searches/yr · £16.75 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 39/100 · £47K/yr market · 22K searches/yr · £16.75 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Closys Mouthwash — £47K/yr Amazon UK Niche (2026) - Flapen"
---
# **closys mouthwash**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 12Growth 31Conversion 96Competition 5Returns 99Price range 63Avg price 79Brand share 0Review moat 24Quality gap 40
**Returns**
**Incredible****0.2%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****13.0%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****£16.75**
avg listing price — sweet spot $15–$100
**Price range**
**Good****£4.83–£32.38**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+4.5%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****5,411.71**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****£47K**
£47K/yr · 22K searches
**Competition**
**Bad****94%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, closys mouthwash is a £47K/yr Amazon United Kingdom market (22K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 39/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **closys mouthwash market data**
- **Units sold / yr**
- **2K–3K**
- avg 250–500/product
- **Revenue / yr**
- **£34K–£42K**
- units × avg price
- **Conversion rate**
- **13.0%**
- **Avg BSR**
- **#147**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **86%**
- **Out of stock**
- **1.0%**
- **Avg brand age**
- **89 months**
- **Avg seller age**
- **175 days**
## **Competition & brand share**
The top 5 products capture 94% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **—flat
**Sellers**
**47**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**94%**
Top 20: 100%
**Open market**
**0%**
- CloSYS64% - LuxPaks22% - UltraDEX11% - ACT3%
## **Demand**
Weekly Amazon search volume, last 36 weeks — +4.5% search growth over the last 90 days.
500300Spike '26Nov '25Dec '25Feb '26Mar '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/closys-mouthwash/trend)
## **Top closys mouthwash search terms**
- **closys mouthwash**13K/yr+8.5%10.2% conv. - **closys**5K/yr-3.4%11.0% conv. - **closys ultra sensitive mouthwash**4K/yr+1.7%11.8% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/closys-mouthwash/search-terms)
## **Top closys mouthwash 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%15%£7K30%£14K45%£21K60%£28K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 7 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Closys Closys Alcohol-Free Mouthwash with Flavor Control 32 Fluid Ounce (no Box)**CloSYS**£19.04**4.6★10,310 rev](https://www.amazon.co.uk/dp/B000O3VRTQ) [2**Closys Mouthwash Unflavored 32 oz**LuxPaks**£16.94**4.5★140 rev](https://www.amazon.co.uk/dp/B0DZBQJ3SD) [3**CloSYS Original Unflavored Mouthwsh Alcohol Free 32 Ounce (Pack Of 2)**CloSYS**£32.38**4.5★5,793 rev](https://www.amazon.co.uk/dp/B00JMLT22K) [4**UltraDEX Daily Oral Rinse with Fluoride 500ml | Fresh Breath Mouthwash for Daily Oral Hygiene | Fluoride Mouth Rinse for Healthy Teeth & Gums**UltraDEX**£4.83**4.5★3,613 rev](https://www.amazon.co.uk/dp/B007Y5XCZE) [5**CloSYS Sensitive Antimicrobial Mouthwash 32 Ounce Gentle Mint Alcohol Free Dye Free pH Balanced Helps Soothe Mouth Sensitivity Kills Germs That Cause Bad Breath**CloSYS**£21.77**4.6★13,821 rev](https://www.amazon.co.uk/dp/B00NENWQF2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Closys Mouthwash Unflavored 32 oz**LuxPaks**£16.94**140 rev1y ago](https://www.amazon.co.uk/dp/B0DZBQJ3SD) [**Ultradex Daily Oral Rinse 1000Ml**UltraDEX**£9.82**713 rev9y ago](https://www.amazon.co.uk/dp/B071Z1B158) [**ACT Restoring Anticavity Fluoride Mint Burst Mouthwash 18 Ounce Helps Freshen Breath & Strengthen Tooth Enamel to Prevent Tooth Decay & Cavities**ACT**£12.49**3,492 rev9y ago](https://www.amazon.co.uk/dp/B01L4N8NT6) [**CloSYS Sensitive Antimicrobial Mouthwash 32 Ounce Gentle Mint Alcohol Free Dye Free pH Balanced Helps Soothe Mouth Sensitivity Kills Germs That Cause Bad Breath**CloSYS**£21.77**13,821 rev11y ago](https://www.amazon.co.uk/dp/B00NENWQF2) [**CloSYS Original Unflavored Mouthwsh Alcohol Free 32 Ounce (Pack Of 2)**CloSYS**£32.38**5,793 rev11y ago](https://www.amazon.co.uk/dp/B00JMLT22K)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**UltraDEX Daily Oral Rinse with Fluoride 500ml | Fresh Breath Mouthwash for Daily Oral Hygiene | Fluoride Mouth Rinse for Healthy Teeth & Gums**UltraDEX**£4.83**4.5★**▲ 51%**](https://www.amazon.co.uk/dp/B007Y5XCZE) [**Closys Closys Alcohol-Free Mouthwash with Flavor Control 32 Fluid Ounce (no Box)**CloSYS**£19.04**4.6★**▲ 23%**](https://www.amazon.co.uk/dp/B000O3VRTQ) [**CloSYS Sensitive Antimicrobial Mouthwash 32 Ounce Gentle Mint Alcohol Free Dye Free pH Balanced Helps Soothe Mouth Sensitivity Kills Germs That Cause Bad Breath**CloSYS**£21.77**4.6★**— 3%**](https://www.amazon.co.uk/dp/B00NENWQF2) [**Ultradex Daily Oral Rinse 1000Ml**UltraDEX**£9.82**4.7★**▼ 16%**](https://www.amazon.co.uk/dp/B071Z1B158) [**CloSYS Original Unflavored Mouthwsh Alcohol Free 32 Ounce (Pack Of 2)**CloSYS**£32.38**4.5★**▼ 16%**](https://www.amazon.co.uk/dp/B00JMLT22K)
**~~View all trending →~~**
## **What buyers say about closys mouthwash**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Oral Hygiene**27%
*“works well to improve oral health”*
**Quality-Overall**9%
*“This is a good quality product”*
**Value For Money**8%
*“value for price tag”*
**Advertised Vs Actual Product**7%
*“hopefully does the job”*
**Efficiency**4%
*“Always does very well”*
**Taste-Overall**4%
*“Also, it gets bonus points for not having any particular taste. good for people who dont like mint”*
**Flavor**4%
*“I like that this is flavourless”*
**Tooth Sensitivity**3%
*“Dr Ellie Phillips reccommends for treating dentine pain”*
**Pockets/Compartments**3%
*“ideal for gum pockets”*
**Ease Of Cleaning**3%
*“Great Mouthwash”*
### **What buyers complain about **
**Taste-Overall**23%
*“Left an unpleasant taste”*
**Flavor**8%
*“Does not include flavour sachet”*
**Ingredients-Overall**7%
*“You are getting less than half the active ingredient strength of the original product”*
**Value For Money**7%
*“why so expensive”*
**Ease Of Use**5%
*“Not much use”*
**Advertised Vs Actual Product**5%
*“Misleading, picture has 0.05% floride”*
**Design-Overall**3%
*“Poorly designed bottle cap prone to snapping”*
**Leak-Proof**3%
*“Bottle had leaked”*
**Dilute/Watery**3%
*“Like water”*
**Stain Resistance**3%
*“The label at the back was stained from the leak”*
### **Top return reasons **
**Leak-Proof**32%
**Advertised Vs Actual Product**23%
**Color**7%
**Size-Overall**6%
**Ingredients-Overall**5%
**Functionality-Overall**5%
**Oral Hygiene**3%
**Quality-Overall**3%
**Display-Overall**3%
**Flavor**2%
## **Common questions**
- **Is closys mouthwash profitable to sell on Amazon United Kingdom?**
- The niche generates £47K/yr across 7 tracked products. 90-day search growth is +4.5%. Flapen's verdict: Skip it (39/100).
- **How competitive is the closys mouthwash niche?**
- 4 brands and 47 sellers compete. The top 5 products take 94% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in closys mouthwash?**
- Top complaints mined from reviews: Taste-Overall, Flavor, Ingredients-Overall. The return rate is 0.2%.
- **What does it cost to enter the closys mouthwash niche?**
- Listings span £4.83–£32.38; the average listing price is £16.75 (sweet spot $15–$100). The average incumbent carries 5,412 reviews — the moat a new listing must climb.
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