---
title: "Interspace Toothbrush — £85K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/interspace-toothbrush"
last_updated: "2026-07-31T11:32:49.384Z"
locale: en
meta:
  description: "Niche score 45/100 · £85K/yr market · 119K searches/yr · £4.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 45/100 · £85K/yr market · 119K searches/yr · £4.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Interspace Toothbrush — £85K/yr Amazon UK Niche (2026) - Flapen"
---

# **interspace toothbrush**

**Skip it**

Prices mostly outside the sweet spot ($2.07–$11.16) — this niche doesn't clear our bar today.

Market size 21Growth 21Conversion 98Competition 51Returns 100Price range 0Avg price 12Brand share 34Review moat 57Quality gap 42

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Conversion**

**Incredible****16.5%**

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

**Review moat**

**Good****1,223.61**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Good****54%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Okay****85%**

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

**Market size**

**Bad****£85K**

£85K/yr · 119K searches

**Growth**

**Bad****-7.2%**

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

**Avg price**

**Bad****£4.36**

avg listing price — sweet spot $15–$100

**Price range**

**Bad****£2.07–£11.16**

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

According to Flapen's Amazon United Kingdom niche tracking, interspace toothbrush is a £85K/yr Amazon United Kingdom market (119K searches/yr). The top 5 brands hold 85% of demand. Verdict: Skip it — 45/100.

Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **interspace toothbrush market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**15K–20K**</dd><dd>avg 500–750/product</dd>

<dt>**Revenue / yr**</dt><dd>**£65K–£87K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**16.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#96**</dd>

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

<dt>**Prime**</dt><dd>**96%**</dd>

<dt>**Sponsored**</dt><dd>**70%**</dd>

<dt>**Out of stock**</dt><dd>**2.9%**</dd>

<dt>**Avg brand age**</dt><dd>**36 months**</dd>

<dt>**Avg seller age**</dt><dd>**153 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**10 **▼falling

**Sellers**

**87**

**Top-5 brand share**

**85%**

Top 20: 100%

**Top-5 click share**

**54%**

Top 20: 97%

**Open market**

**10%**

- Wisdom58% - Cretty-Meet8% - TePe7% - Admygo6% - RAYITO6% - Muexoee5% - Open — no brand owns it (4 brands, 10%)

## **Demand**

Weekly Amazon search volume, last 34 weeks — -7.2% search growth over the last 90 days.

2K2KSpike '26Nov '25Jan '26Feb '26Mar '26Apr '26May '26Jun '26

[**Open Trend **](https://flapen.com/research/uk/health-personal-care/interspace-toothbrush/trend)

## **Top interspace toothbrush search terms**

- **wisdom toothbrush**49K/yr+7.6%12.1% conv. - **interspace toothbrush**40K/yr-14.2%13.0% conv. - **interspace brush**11K/yr-16.6%8.9% conv. - **wisdom interspace brushes**6K/yr-8.0%16.7% conv. - **wisdom tooth brush**6K/yr-5.6%15.5% conv. - **wisdom teeth toothbrush**3K/yr-27.6%10.9% conv. - **wisdom tooth brushes**3K/yr-56.9%12.7% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/interspace-toothbrush/search-terms)

## **Top interspace 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%£9K20%£17K30%£26K40%£34K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 23 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Wisdom Interspace Super Slim Assorted](https://m.media-amazon.com/images/I/41pRAoJtA2L.jpg)**Wisdom Interspace Super Slim Assorted**Wisdom**£2.67**4.4★942 rev](https://www.amazon.co.uk/dp/B01NB08GMX) [2![Wisdom Interspace Toothbrush Pack of 6](https://m.media-amazon.com/images/I/31ln9+iFZfL.jpg)**Wisdom Interspace Toothbrush Pack of 6**Wisdom**£6.90**4.5★4,501 rev](https://www.amazon.co.uk/dp/B0764BKGDH) [3![Cretty-Meet 2pcs Interspace Toothbrush Soft Trim Single Tufted Wisdom Toothbrush for Detail Cleaning and Orthodontic Braces (Green and Blue)](https://m.media-amazon.com/images/I/31Pq2J60UNL.jpg)**Cretty-Meet 2pcs Interspace Toothbrush Soft Trim Single Tufted Wisdom Toothbrush for Detail Cleaning and Orthodontic Braces (Green and Blue)**Cretty-Meet**£3.44**4.4★297 rev](https://www.amazon.co.uk/dp/B095YGPR55) [4![4 PCS Interspace Toothbrush Interspace Compact Soft Slim Interspace Teeth Brush Dental Brushes for Orthodontic Braces & Detail Cleaning - Blue Green Rose Red and White](https://m.media-amazon.com/images/I/31VZ0HeDPIL.jpg)**4 PCS Interspace Toothbrush Interspace Compact Soft Slim Interspace Teeth Brush Dental Brushes for Orthodontic Braces & Detail Cleaning - Blue Green Rose Red and White**Admygo**£3.90**4.3★51 rev](https://www.amazon.co.uk/dp/B0GHRK4YDL) [5![RAYITO 8 Pcs Interspace Toothbrush Soft Single Tufted Toothbrush with Cover Slim Interspace toothbrushes interdental Brushes for Orthodontic Braces Detail Cleaning(Blue/Green/Rose Red/White)](https://m.media-amazon.com/images/I/412+WnbIZJL.jpg)**RAYITO 8 Pcs Interspace Toothbrush Soft Single Tufted Toothbrush with Cover Slim Interspace toothbrushes interdental Brushes for Orthodontic Braces Detail Cleaning(Blue/Green/Rose Red/White)**RAYITO**£5.51**4.4★756 rev](https://www.amazon.co.uk/dp/B0CHLQ42LY)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![4 PCS Interspace Toothbrush Compact Soft Slim Interspace Teeth Brush Single Tufted Toothbrush Wisdom Interdental Brushes for Detail Cleaning & Orthodontic Braces (Blue/Green/Rose Red/White)](https://m.media-amazon.com/images/I/31lP-4oVAKL.jpg)**4 PCS Interspace Toothbrush Compact Soft Slim Interspace Teeth Brush Single Tufted Toothbrush Wisdom Interdental Brushes for Detail Cleaning & Orthodontic Braces (Blue/Green/Rose Red/White)**Muexoee**£3.77**16 rev3mo ago](https://www.amazon.co.uk/dp/B0GWQPPWJ4) [![1 PCS Interspace Toothbrush Compact Soft Slim Interspace Teeth Brush Single Tufted Toothbrush Wisdom Interdental Brushes for Detail Cleaning & Orthodontic Braces (Rose Red)](https://m.media-amazon.com/images/I/31ZCp0UxHiL.jpg)**1 PCS Interspace Toothbrush Compact Soft Slim Interspace Teeth Brush Single Tufted Toothbrush Wisdom Interdental Brushes for Detail Cleaning & Orthodontic Braces (Rose Red)**Muexoee**£2.07**16 rev4mo ago](https://www.amazon.co.uk/dp/B0GQGSMXG1) [![1 PCS Interspace Toothbrush Compact Soft Slim Interspace Teeth Brush Single Tufted Toothbrush Wisdom Interdental Brushes for Detail Cleaning & Orthodontic Braces (Blue)](https://m.media-amazon.com/images/I/21+6chhns1L.jpg)**1 PCS Interspace Toothbrush Compact Soft Slim Interspace Teeth Brush Single Tufted Toothbrush Wisdom Interdental Brushes for Detail Cleaning & Orthodontic Braces (Blue)**Muexoee**£2.33**16 rev4mo ago](https://www.amazon.co.uk/dp/B0GQGM8798) [![4 PCS Interspace Toothbrush Interspace Compact Soft Slim Interspace Teeth Brush Dental Brushes for Orthodontic Braces & Detail Cleaning - Blue Green Rose Red and White](https://m.media-amazon.com/images/I/31VZ0HeDPIL.jpg)**4 PCS Interspace Toothbrush Interspace Compact Soft Slim Interspace Teeth Brush Dental Brushes for Orthodontic Braces & Detail Cleaning - Blue Green Rose Red and White**Admygo**£3.90**51 rev6mo ago](https://www.amazon.co.uk/dp/B0GHRK4YDL) [![6 Pcs Compact Interspace Toothbrush Single Tufted Interspace Brush Slim Teeth Brush Designed for Effective Dental Cleaning Helps Clean Hard-to-Reach Areas with Deep Cleaning Action](https://m.media-amazon.com/images/I/41eb3MaKnoL.jpg)**6 Pcs Compact Interspace Toothbrush Single Tufted Interspace Brush Slim Teeth Brush Designed for Effective Dental Cleaning Helps Clean Hard-to-Reach Areas with Deep Cleaning Action**Qullmartle**£4.93**17 rev7mo ago](https://www.amazon.co.uk/dp/B0GCHCT7WD)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![4 PCS Interspace Toothbrush Compact Soft Slim Interspace Teeth Brush Single Tufted Toothbrush Wisdom Interdental Brushes for Detail Cleaning & Orthodontic Braces (Blue/Green/Rose Red/White)](https://m.media-amazon.com/images/I/31lP-4oVAKL.jpg)**4 PCS Interspace Toothbrush Compact Soft Slim Interspace Teeth Brush Single Tufted Toothbrush Wisdom Interdental Brushes for Detail Cleaning & Orthodontic Braces (Blue/Green/Rose Red/White)**Muexoee**£3.77**4.7★**▲ 308%**](https://www.amazon.co.uk/dp/B0GWQPPWJ4) [![1 PCS Interspace Toothbrush Compact Soft Slim Interspace Teeth Brush Single Tufted Toothbrush Wisdom Interdental Brushes for Detail Cleaning & Orthodontic Braces (Blue)](https://m.media-amazon.com/images/I/21+6chhns1L.jpg)**1 PCS Interspace Toothbrush Compact Soft Slim Interspace Teeth Brush Single Tufted Toothbrush Wisdom Interdental Brushes for Detail Cleaning & Orthodontic Braces (Blue)**Muexoee**£2.33**4.7★**▲ 300%**](https://www.amazon.co.uk/dp/B0GQGM8798) [![1 PCS Interspace Toothbrush Compact Soft Slim Interspace Teeth Brush Single Tufted Toothbrush Wisdom Interdental Brushes for Detail Cleaning & Orthodontic Braces (Rose Red)](https://m.media-amazon.com/images/I/31ZCp0UxHiL.jpg)**1 PCS Interspace Toothbrush Compact Soft Slim Interspace Teeth Brush Single Tufted Toothbrush Wisdom Interdental Brushes for Detail Cleaning & Orthodontic Braces (Rose Red)**Muexoee**£2.07**4.7★**▲ 291%**](https://www.amazon.co.uk/dp/B0GQGSMXG1) [![6 Pcs Compact Interspace Toothbrush Single Tufted Interspace Brush Slim Teeth Brush Designed for Effective Dental Cleaning Helps Clean Hard-to-Reach Areas with Deep Cleaning Action](https://m.media-amazon.com/images/I/41eb3MaKnoL.jpg)**6 Pcs Compact Interspace Toothbrush Single Tufted Interspace Brush Slim Teeth Brush Designed for Effective Dental Cleaning Helps Clean Hard-to-Reach Areas with Deep Cleaning Action**Qullmartle**£4.93**4.6★**▲ 235%**](https://www.amazon.co.uk/dp/B0GCHCT7WD) [![Wisdom Interspace Super Slim Assorted](https://m.media-amazon.com/images/I/41pRAoJtA2L.jpg)**Wisdom Interspace Super Slim Assorted**Wisdom**£2.67**4.4★**▲ 208%**](https://www.amazon.co.uk/dp/B01NB08GMX)

**~~View all trending →~~**

## **What buyers say about interspace toothbrush**

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

### **What buyers love **

**Oral Hygiene**26%

*“Great teeth Cleaners”*

**Advertised Vs Actual Product**15%

*“Just as advertised”*

**Quality-Overall**15%

*“Amazing Quality”*

**Value For Money**14%

*“Good price”*

**Ease Of Use**6%

*“Easy to use”*

**Ease Of Cleaning**4%

*“Cleans brilliantly”*

**Brush Quality**3%

*“My favourite brush after regular brushing”*

**Tooth Sensitivity**2%

*“Excellent for back teeth and gum line”*

**Design-Overall**2%

*“Really well designed and useful”*

**Soft Feel**1%

*“As others have mentioned, it is nice and soft, so gentle for both your teeth and gums”*

### **What buyers complain about **

**Oral Hygiene**21%

*“not as fine bristle to get in between all your teeth”*

**Hard Feel**13%

*“Hard bristles”*

**Size-Overall**10%

*“it is too short”*

**Quality-Overall**7%

*“I will need to buy the better quality ones”*

**Durability**7%

*“Only lasted a few uses”*

**Strength**5%

*“Quite fragile bristles”*

**Natural Resource Wastage**5%

*“Wasteful”*

**Advertised Vs Actual Product**5%

*“Incorrect description”*

**Value For Money**4%

*“Expensive for one toothbrush”*

**Tooth Sensitivity**2%

*“in case I get anything stuck in my teeth because toothpicks terrify me”*

### **Top return reasons **

**Size-Overall**33%

**Hard Feel**17%

**Quality-Overall**10%

**Oral Hygiene**7%

**Color**7%

**Soft Feel**5%

**Functionality-Overall**3%

**Tooth Brightening**2%

**Thickness**2%

**Value For Money**2%

## **Common questions**

<dl>

<dt>**Is interspace toothbrush profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £85K/yr across 23 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -7.2%. Flapen's verdict: Skip it (45/100).</dd>

<dt>**How competitive is the interspace toothbrush niche?**</dt><dd>10 brands and 87 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 85% of demand.</dd>

<dt>**What do buyers complain about in interspace toothbrush?**</dt><dd>Top complaints mined from reviews: Oral Hygiene, Hard Feel, Size-Overall. The return rate is 0.1%.</dd>

<dt>**What does it cost to enter the interspace toothbrush niche?**</dt><dd>Listings span £2.07–£11.16; the average listing price is £4.36 (sweet spot $15–$100). The average incumbent carries 1,224 reviews — the moat a new listing must climb.</dd>

</dl>

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