---
title: "Interdental Toothbrush — £381K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/interdental-toothbrush"
last_updated: "2026-07-31T14:01:25.385Z"
locale: en
meta:
description: "Niche score 43/100 · £381K/yr market · 277K searches/yr · £8.26 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · £381K/yr market · 277K searches/yr · £8.26 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Interdental Toothbrush — £381K/yr Amazon UK Niche (2026) - Flapen"
---
# **interdental toothbrush**
**Skip it**
Soft demand (-18.3% this quarter) — this niche doesn't clear our bar today.
Market size 55Growth 16Conversion 98Competition 20Returns 98Price range 35Avg price 23Brand share 16Review moat 18Quality gap 45
**Conversion**
**Incredible****16.7%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Market size**
**Good****£381K**
£381K/yr · 277K searches
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Price range**
**Okay****£2.88–£21.45**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Bad****£8.26**
avg listing price — sweet spot $15–$100
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Review moat**
**Bad****16,549.27**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-18.3%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, interdental toothbrush is a £381K/yr Amazon United Kingdom market (277K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 43/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **interdental toothbrush market data**
- **Units sold / yr**
- **40K–50K**
- avg 2,500–3,000/product
- **Revenue / yr**
- **£330K–£413K**
- units × avg price
- **Conversion rate**
- **16.7%**
- **Avg BSR**
- **#74**
- **Page quality**
- **0%**
- **Prime**
- **93%**
- **Sponsored**
- **93%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **157 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▲rising
**Sellers**
**71**
**Top-5 brand share**
**94%**
Top 20: 99%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**5%**
- TePe81% - QGH4% - OCBA3% - HANGSUN3% - Stoddard Icon2% - Inscape Data2% - Open — no brand owns it (2 brands, 5%)
## **Demand**
Weekly Amazon search volume, last 42 weeks — -18.3% search growth over the last 90 days.
6K4KOct '25Nov '25Jan '26Mar '26Apr '26Jun '26
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/interdental-toothbrush/trend)
## **Top interdental toothbrush search terms**
- **dental**54K/yr-25.5%1.1% conv. - **interdental brushes red**27K/yr-2.0%19.1% conv. - **dental care**19K/yr-24.1%1.3% conv. - **tepe red**16K/yr+3.3%26.8% conv. - **red teepees dental brushes**13K/yr-3.5%27.5% conv. - **tepe interdental brushes red**28K/yr-54.9%24.7% conv. - **oral care**13K/yr-16.1%0.6% conv. - **oral hygiene**11K/yr-18.9%0.5% conv. - **red tepe interdental brushes**11K/yr-9.1%27.5% conv. - **oral hygiene products**12K/yr-6.5%1.0% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/interdental-toothbrush/search-terms)
## **Top interdental toothbrush 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%£38K20%£76K30%£114K40%£152K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**TePe Interdental Brush Original Red 0.5mm/ISO 2 8pcs efficient Cleaning Between Teeth Plaque Remover and Dental flosser for Narrow Gaps**TePe**£3.26**4.6★6,871 rev](https://www.amazon.co.uk/dp/B0056F762E) [2**TePe Interdental Brush Original Red 0.5mm/ISO 2 20pcs Plaque Removal efficient Clean Between the Teeth Tooth Floss for Narrow Gaps**TePe**£8.63**4.6★76,837 rev](https://www.amazon.co.uk/dp/B08Y62L4K9) [3**TePe Interdental Brush Angle Red 0.5mm/ISO 2 6pcs Interspace Cleaning Plaque Remover for Teeth with Narrow Gaps ensures Strong Gums and Teeth Carton Pack**TePe**£2.88**4.6★2,603 rev](https://www.amazon.co.uk/dp/B0DP4PH4TV) [4**TePe Interdental Brushes Original Red 0.5 mm Pack of 25**TePe**£10.47**4.7★1,453 rev](https://www.amazon.co.uk/dp/B00FZURQZW) [5**TePe Interdental Brushes Angle Red 0.5 mm Pack of 25**TePe**£11.30**4.7★1,217 rev](https://www.amazon.co.uk/dp/B01FWIZ374)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Tooth Repair Kit with 60ml Gel for Enamel & Gum Protection Liquid Tooth Armor for Chipped Teeth & Fresh Breath Receding Gums Repair Solution**AuraBeen**£6.80**19 rev7mo ago](https://www.amazon.co.uk/dp/B0G64NJ39R) [**Interdental Brushes 50 Pcs 3 mm Red Tooth Picks Flossing Gap Cleaning Brushes for Teeth and Daily Oral Care**QGH**£6.29**11 rev7mo ago](https://www.amazon.co.uk/dp/B0G56X563B) [**TePe Interdental Brush Extra Soft Red 0.5mm/ISO 2 20pcs efficient Cleaning Between Teeth Plaque Remover and Dental flosser for Narrow Gaps**TePe**£8.84**1,026 rev1y ago](https://www.amazon.co.uk/dp/B0DXL1LR7P) [**TePe Interdental Brush Angle Red 0.5mm/ISO 2 6pcs Interspace Cleaning Plaque Remover for Teeth with Narrow Gaps ensures Strong Gums and Teeth Carton Pack**TePe**£2.88**2,603 rev1y ago](https://www.amazon.co.uk/dp/B0DP4PH4TV) [**COSLUS Water Dental Flosser for Teeth Cordless: Portable Oral Irrigator 300ML 5 Jet Tips Rechargeable Tooth Flosser Teeth Braces Pick IPX7 Waterproof Irrigation Cleaner for Travel Home**--**£16.71**46,279 rev2y ago](https://www.amazon.co.uk/dp/B0CMCPDY1Z)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Interdental Brushes 50 Pcs 3 mm Red Tooth Picks Flossing Gap Cleaning Brushes for Teeth and Daily Oral Care**QGH**£6.29**4.3★**▲ 198%**](https://www.amazon.co.uk/dp/B0G56X563B) [**Tooth Repair Kit with 60ml Gel for Enamel & Gum Protection Liquid Tooth Armor for Chipped Teeth & Fresh Breath Receding Gums Repair Solution**AuraBeen**£6.80**3.9★**▲ 121%**](https://www.amazon.co.uk/dp/B0G64NJ39R) [**TePe Interdental Brush Original Red 0.5mm/ISO 2 20pcs Plaque Removal efficient Clean Between the Teeth Tooth Floss for Narrow Gaps**TePe**£8.63**4.6★**▲ 56%**](https://www.amazon.co.uk/dp/B08Y62L4K9) [**OCBA Plaque Remover Teeth Cleaning Tool 4 Pcs Dental Care Kit Tooth Filling Repair Set Stainless Steel Dental Tools for Men Women Kids and Pet Care**OCBA**£6.07**4.4★**▲ 24%**](https://www.amazon.co.uk/dp/B097C6DQYH) [**Hangsun Water Flosser for Teeth Cordless Oral Irrigator Dental Water Jet Electric Tooth Flosser with 6 Jet Tips 300ML Water Tank USB Rechargeable for Travel and Home Use (Black)**HANGSUN**£21.45**4.3★**▲ 12%**](https://www.amazon.co.uk/dp/B0BLVM69CW)
**~~View all trending →~~**
## **What buyers say about interdental toothbrush**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Oral Hygiene**22%
*“Excellent for you teeth”*
**Quality-Overall**16%
*“Good quality product and excellent customer service and company”*
**Value For Money**10%
*“worth every penny”*
**Advertised Vs Actual Product**8%
*“Working as advertised”*
**Ease Of Use**7%
*“Ease of use”*
**Strength**4%
*“strong enough to get between the teeth”*
**Efficiency**3%
*“Works Well”*
**Breathability**2%
*“Clean breathe, nice and wonderful”*
**Battery Life**2%
*“Battery life seems pretty good”*
**Cleansing**2%
*“Clean teeth”*
### **What buyers complain about **
**Durability**24%
*“Didnt last”*
**Charging**16%
*“wouldn't charge at all”*
**Quality-Overall**6%
*“Poor Quality”*
**Oral Hygiene**5%
*“Poor for gum health”*
**Size-Overall**4%
*“slightly larger than I thought”*
**Touch/Button Controls**3%
*“already the on/off switch has stopped working”*
**Value For Money**3%
*“expensive”*
**Ease Of Use**2%
*“uncomfortable to use”*
**Strength**2%
*“I found TePe in Superdrug after using their own brand. which was way too flimsy.”*
**Battery Life**2%
*“The battery simply died”*
### **Top return reasons **
**Functionality-Overall**19%
**Charging**12%
**Size-Overall**8%
**Defective Material/Parts**6%
**Quality-Overall**5%
**Strength**5%
**Color**4%
**Ease Of Use**4%
**Leak-Proof**3%
**Tooth Sensitivity**3%
## **Common questions**
- **Is interdental toothbrush profitable to sell on Amazon United Kingdom?**
- The niche generates £381K/yr across 15 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -18.3%. Flapen's verdict: Skip it (43/100).
- **How competitive is the interdental toothbrush niche?**
- 8 brands and 71 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in interdental toothbrush?**
- Top complaints mined from reviews: Durability, Charging, Quality-Overall. The return rate is 0.4%.
- **What does it cost to enter the interdental toothbrush niche?**
- Listings span £2.88–£21.45; the average listing price is £8.26 (sweet spot $15–$100). The average incumbent carries 16,549 reviews — the moat a new listing must climb.
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