---
title: "Expanding Floss — £61K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/expanding-floss"
last_updated: "2026-07-31T10:31:02.287Z"
locale: en
meta:
description: "Niche score 40/100 · £61K/yr market · 76K searches/yr · £6.27 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · £61K/yr market · 76K searches/yr · £6.27 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Expanding Floss — £61K/yr Amazon UK Niche (2026) - Flapen"
---
# **expanding floss**
**Skip it**
Prices mostly outside the sweet spot ($2.48–$13.62) — this niche doesn't clear our bar today.
Market size 15Growth 37Conversion 95Competition 16Returns 99Price range 0Avg price 17Brand share 11Review moat 62Quality gap 55
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****12.8%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****1,035.08**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+9.9%**
90-day search growth — must beat 0% to launch
**Avg price**
**Bad****£6.27**
avg listing price — sweet spot $15–$100
**Competition**
**Bad****81%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****£61K**
£61K/yr · 76K searches
**Brand share**
**Bad****96%**
top-5 brand share — brand-locked demand
**Price range**
**Bad****£2.48–£13.62**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, expanding floss is a £61K/yr Amazon United Kingdom market (76K searches/yr). The top 5 brands hold 96% of demand. Verdict: Skip it — 40/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **expanding floss market data**
- **Units sold / yr**
- **8K–10K**
- avg 500–750/product
- **Revenue / yr**
- **£50K–£63K**
- units × avg price
- **Conversion rate**
- **12.8%**
- **Avg BSR**
- **#48**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **83%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **60 months**
- **Avg seller age**
- **160 days**
## **Competition & brand share**
The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▼falling
**Sellers**
**68**
**Top-5 brand share**
**96%**
Top 20: 97%
**Top-5 click share**
**81%**
Top 20: 100%
**Open market**
**2%**
- Burst27% - TePe26% - Beauty Formulas19% - RAZOKO14% - GUM10% - --3% - Open — no brand owns it (2%)
## **Demand**
Weekly Amazon search volume, last 29 weeks — +9.9% search growth over the last 90 days.
3K2KSpike '26Jan '26Feb '26Mar '26Mar '26Apr '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/expanding-floss/trend)
## **Top expanding floss search terms**
- **expanding floss**38K/yr+19.1%10.9% conv. - **expanding dental floss**9K/yr+5.3%8.8% conv. - **burst floss**7K/yr+10.5%6.8% conv. - **tepe floss**7K/yr-1.4%10.7% conv. - **tepe dental floss**4K/yr-13.9%13.0% conv. - **expandable floss**4K/yr+11.1%9.9% conv. - **thick floss**4K/yr-13.9%3.1% conv. - **expanding floss dental**3K/yr-10.2%12.9% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/expanding-floss/search-terms)
## **Top expanding floss 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%£6K20%£12K30%£18K40%£24K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**TePe Dental Floss Expanding Floss Multiple Threads with Increased Surface for a Gentle and efficient Cleaning Between Teeth for Very Narrow Gaps**TePe**£2.89**4.2★697 rev](https://www.amazon.co.uk/dp/B0C2DG1GMN) [2**Beauty Formulas Active Oral Care Expanding Dental Floss with Mint Wax Fluoride 50 Metre Size**Beauty Formulas**£3.20**4.4★117 rev](https://www.amazon.co.uk/dp/B00JZKZCKE) [3**BURST Expanding Dental Floss (Mint Eucalyptus/40 Yards) | Expanding Floss Woven with Xylitol Coating to Fight Cavities Plaque Removal & Stain Absorbing | Shred-Resistant | Vegan | Paraben Free**Burst**£3.80**4.6★2,107 rev](https://www.amazon.co.uk/dp/B0CQD8J54W) [4**Expanding Dental Floss with Coconut Oil Mint Flavour Shred-Resistant**RAZOKO**£7.60**4.3★633 rev](https://www.amazon.co.uk/dp/B08PH6TF37) [5**GUM Expanding Floss-30m**GUM**£4.50**4.2★2,615 rev](https://www.amazon.co.uk/dp/B001R44K5Y)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Wisdom Fresh Effect Dental Floss - Pack of 3 x 30m | Mint Flavoured Expanding Waxed Floss for Plaque Removal & Gum Health | Shred-Resistant Teeth Cleaning Floss for Tight Spaces**--**£7.56**52 rev1y ago](https://www.amazon.co.uk/dp/B0F2TSFDPC) [**BURST Expanding Dental Floss (Mint Eucalyptus/40 Yards) | Expanding Floss Woven with Xylitol Coating to Fight Cavities Plaque Removal & Stain Absorbing | Shred-Resistant | Vegan | Paraben Free**Burst**£3.80**2,107 rev1y ago](https://www.amazon.co.uk/dp/B0CQD8J54W) [**GUM Expanding Floss | removes Plaque from Between Teeth | expands into Large interdental Spaces | Ideal for Sensitive Gums and Teeth | 4x30m (+1 Bonus Sample)**GUM**£13.62**1,015 rev2y ago](https://www.amazon.co.uk/dp/B0D3825S5G) [**TePe Mini Flosser 36pcs flossers for Teeth efficient Dental Plaque Removal Tool for Easy Cleaning Between Teeth for Narrow Gaps**TePe**£2.48**531 rev2y ago](https://www.amazon.co.uk/dp/B0D2NYPT8X) [**BURST Expanding Dental Floss (Mint Eucalyptus/80 Yards) | Expanding Floss Woven with Xylitol Coating to Fight Cavities Plaque Removal & Stain Absorbing | Shred-Resistant | Vegan | Paraben Free**Burst**£7.60**2,107 rev2y ago](https://www.amazon.co.uk/dp/B0CQD7BG9B)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**BURST Expanding Dental Floss Refills (32 Yards/3 Pack) | Mint Eucalyptus Aroma Bobbins | Woven Tooth Floss | Stain-Absorbing | Vegan | Paraben BPA & Cruelty-Free | Smart Expanding Floss Refills**Burst**£9.19**4.6★**▲ 120%**](https://www.amazon.co.uk/dp/B091D18MQQ) [**BURST Expanding Dental Floss (Mint Eucalyptus/40 Yards) | Expanding Floss Woven with Xylitol Coating to Fight Cavities Plaque Removal & Stain Absorbing | Shred-Resistant | Vegan | Paraben Free**Burst**£3.80**4.6★**▲ 70%**](https://www.amazon.co.uk/dp/B0CQD8J54W) [**TePe Dental Floss Expanding Floss Multiple Threads with Increased Surface for a Gentle and efficient Cleaning Between Teeth for Very Narrow Gaps**TePe**£2.89**4.2★**▲ 52%**](https://www.amazon.co.uk/dp/B0C2DG1GMN) [**BURST Expanding Dental Floss (Mint Eucalyptus/80 Yards) | Expanding Floss Woven with Xylitol Coating to Fight Cavities Plaque Removal & Stain Absorbing | Shred-Resistant | Vegan | Paraben Free**Burst**£7.60**4.6★**▲ 50%**](https://www.amazon.co.uk/dp/B0CQD7BG9B) [**Beauty Formulas Active Oral Care Expanding Dental Floss with Mint Wax Fluoride 50 Metre Size**Beauty Formulas**£3.20**4.4★**— 5%**](https://www.amazon.co.uk/dp/B00JZKZCKE)
**~~View all trending →~~**
## **What buyers say about expanding floss**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Oral Hygiene**27%
*“Nice and soft on the gums”*
**Quality-Overall**17%
*“Better than most brands”*
**Value For Money**7%
*“Good value”*
**Advertised Vs Actual Product**5%
*“It does the job”*
**Ease Of Cleaning**4%
*“It fluffs up nicely to give effective cleaning”*
**Ease Of Use**4%
*“Easy to use”*
**Stretchability/Expandability/Elasticity**4%
*“Great expanding floss”*
**Taste-Overall**3%
*“really like the aftertaste. feels fresh”*
**Adhesion/Stickiness**3%
*“Good strong sticks and floss”*
**Efficiency**2%
*“Work well”*
### **What buyers complain about **
**Durability**12%
*“They break easily”*
**Oral Hygiene**12%
*“Cant replace interdental brush”*
**Thickness**10%
*“thickness”*
**Stretchability/Expandability/Elasticity**8%
*“doesnt expand”*
**Value For Money**5%
*“the oral b product costs more”*
**Tooth Sensitivity**5%
*“It's not what I imagined, too thick and it really irritates my teeth”*
**Quality-Overall**5%
*“Not the best”*
**Ease Of Use**4%
*“are very difficult to use”*
**Size-Overall**3%
*“It does not fit in the small gaps between my teeth despite it being the smallest size”*
**Advertised Vs Actual Product**3%
*“THE ADVERTISED DESCRIPTION FAILS TO MENTION THE MINT FLAVOUR”*
### **Top return reasons **
**Stretchability/Expandability/Elasticity**12%
**Size-Overall**12%
**Functionality-Overall**10%
**Quality-Overall**10%
**Ingredients-Overall**10%
**Tooth Sensitivity**7%
**Oral Hygiene**7%
**Adhesion/Stickiness**7%
**Advertised Vs Actual Product**7%
**Durability**5%
## **Common questions**
- **Is expanding floss profitable to sell on Amazon United Kingdom?**
- The niche generates £61K/yr across 12 tracked products. 90-day search growth is +9.9%. Flapen's verdict: Skip it (40/100).
- **How competitive is the expanding floss niche?**
- 6 brands and 68 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 96% of demand.
- **What do buyers complain about in expanding floss?**
- Top complaints mined from reviews: Durability, Oral Hygiene, Thickness. The return rate is 0.1%.
- **What does it cost to enter the expanding floss niche?**
- Listings span £2.48–£13.62; the average listing price is £6.27 (sweet spot $15–$100). The average incumbent carries 1,035 reviews — the moat a new listing must climb.
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