---
title: "Philips Sonicare 4100 — £58K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/philips-sonicare-4100"
last_updated: "2026-07-31T15:11:49.382Z"
locale: en
meta:
description: "Niche score 42/100 · £58K/yr market · 27K searches/yr · £44.90 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · £58K/yr market · 27K searches/yr · £44.90 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Philips Sonicare 4100 — £58K/yr Amazon UK Niche (2026) - Flapen"
---
# **philips sonicare 4100**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 15Growth 33Conversion 57Competition 20Returns 89Price range 95Avg price 95Brand share 0Review moat 23Quality gap 68
**Avg price**
**Incredible****£44.90**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****£35.94–£52.86**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Great****1.3%**
return rate — above 5% kills the launch gate
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****4.9%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Okay****+6.5%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****7,593.54**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****£58K**
£58K/yr · 27K searches
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, philips sonicare 4100 is a £58K/yr Amazon United Kingdom market (27K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 42/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **philips sonicare 4100 market data**
- **Units sold / yr**
- **1K–1K**
- avg 0–100/product
- **Revenue / yr**
- **£45K–£56K**
- units × avg price
- **Conversion rate**
- **4.9%**
- **Avg BSR**
- **#34**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **46%**
- **Out of stock**
- **2.4%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **164 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**2 **▼falling
**Sellers**
**97**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**0%**
- PHILIPS54% - Philips Sonicare46%
## **Demand**
Weekly Amazon search volume, last 46 weeks — +6.5% search growth over the last 90 days.
900700Spike '25Black Friday '25Spike '26Sep '25Oct '25Dec '25Feb '26Mar '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/philips-sonicare-4100/trend)
## **Top philips sonicare 4100 search terms**
- **philips sonicare 4100**13K/yr+16.0%4.1% conv. - **sonicare 4100**10K/yr-3.3%3.5% conv. - **philips sonicare toothbrush 4100**4K/yr+3.3%4.5% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/philips-sonicare-4100/search-terms)
## **Top philips sonicare 4100 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%£17K40%£23K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**PHILIPS Sonicare 4100 Electric Toothbrush Rechargeable Electric Toothbrush with Pressure Sensor Black HX3681/24**Philips Sonicare**£40.21**4.3★35,798 rev](https://www.amazon.co.uk/dp/B09LD7WRVS) [2**Philips Sonicare 4100 Electric Toothbrush for Adults with 1 x Philips W2 Optimal White Sonic Brush Head in Black Slim Travel Case and USB Charger**PHILIPS**£44.56**4.4★996 rev](https://www.amazon.co.uk/dp/B0CHMMT791) [3![Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor 4 Brushing Settings EasyStart SmarTimer 21-Day Runtime Travel Case White HX4044/41 [New]](https://m.media-amazon.com/images/I/41OgvUEAuBL.jpg)**Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor 4 Brushing Settings EasyStart SmarTimer 21-Day Runtime Travel Case White HX4044/41 \[New\]**PHILIPS**£48.02**4.2★698 rev](https://www.amazon.co.uk/dp/B0G5YMZBYX) [4![Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor 4 Brushing Settings EasyStart SmarTimer 21-Day Runtime Travel Case Black HX4044/52 [New]](https://m.media-amazon.com/images/I/41uh-aCNY5L.jpg)**Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor 4 Brushing Settings EasyStart SmarTimer 21-Day Runtime Travel Case Black HX4044/52 \[New\]**PHILIPS**£47.65**4.2★698 rev](https://www.amazon.co.uk/dp/B0G5Z488QD) [5**Philips Sonicare 4100 Power Toothbrush Rechargeable Electric Toothbrush with Pressure Sensor White HX3681/23**Philips Sonicare**£40.02**4.2★19,980 rev](https://www.amazon.co.uk/dp/B09LD8T445)
**~~View all top sellers →~~**
### **Newest**
by launch date
[![Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor 4 Brushing Settings EasyStart Feature SmarTimer 21-Day Runtime Travel Case White HX4046/41 [New]](https://m.media-amazon.com/images/I/415lLg8E9BL.jpg)**Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor 4 Brushing Settings EasyStart Feature SmarTimer 21-Day Runtime Travel Case White HX4046/41 \[New\]**PHILIPS**£49.46**57 rev5mo ago](https://www.amazon.co.uk/dp/B0GMY4J3VH) [![Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor 4 Brushing Settings EasyStart SmarTimer 21-Day Runtime Travel Case Marine Blue HX4046/48 [New]](https://m.media-amazon.com/images/I/41C8vesYRDL.jpg)**Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor 4 Brushing Settings EasyStart SmarTimer 21-Day Runtime Travel Case Marine Blue HX4046/48 \[New\]**PHILIPS**£49.72**35 rev5mo ago](https://www.amazon.co.uk/dp/B0GMY8PQ6S) [![Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor 4 Brushing Settings EasyStart SmarTimer 21-Day Runtime Travel Case White HX4044/41 [New]](https://m.media-amazon.com/images/I/41OgvUEAuBL.jpg)**Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor 4 Brushing Settings EasyStart SmarTimer 21-Day Runtime Travel Case White HX4044/41 \[New\]**PHILIPS**£48.02**698 rev7mo ago](https://www.amazon.co.uk/dp/B0G5YMZBYX) [![Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor 4 Brushing Settings EasyStart SmarTimer 21-Day Runtime Travel Case Black HX4044/52 [New]](https://m.media-amazon.com/images/I/41uh-aCNY5L.jpg)**Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor 4 Brushing Settings EasyStart SmarTimer 21-Day Runtime Travel Case Black HX4044/52 \[New\]**PHILIPS**£47.65**698 rev7mo ago](https://www.amazon.co.uk/dp/B0G5Z488QD) [![Philips Sonicare 5300 Electric Toothbrush Sonic Toothbrush with 2 Intensity Levels Pressure Alert EasyStart SmarTimer and BrushPacer Black Model HX7101/04 [New Technology]](https://m.media-amazon.com/images/I/41Cvhs7t-4L.jpg)**Philips Sonicare 5300 Electric Toothbrush Sonic Toothbrush with 2 Intensity Levels Pressure Alert EasyStart SmarTimer and BrushPacer Black Model HX7101/04 \[New Technology\]**PHILIPS**£52.86**383 rev1y ago](https://www.amazon.co.uk/dp/B0DTBSTNHW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[![Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor 4 Brushing Settings EasyStart SmarTimer 21-Day Runtime Travel Case Marine Blue HX4046/48 [New]](https://m.media-amazon.com/images/I/41C8vesYRDL.jpg)**Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor 4 Brushing Settings EasyStart SmarTimer 21-Day Runtime Travel Case Marine Blue HX4046/48 \[New\]**PHILIPS**£49.72**4.5★**▲ 290%**](https://www.amazon.co.uk/dp/B0GMY8PQ6S) [![Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor 4 Brushing Settings EasyStart Feature SmarTimer 21-Day Runtime Travel Case White HX4046/41 [New]](https://m.media-amazon.com/images/I/415lLg8E9BL.jpg)**Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor 4 Brushing Settings EasyStart Feature SmarTimer 21-Day Runtime Travel Case White HX4046/41 \[New\]**PHILIPS**£49.46**4.6★**▲ 288%**](https://www.amazon.co.uk/dp/B0GMY4J3VH) [![Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor 4 Brushing Settings EasyStart SmarTimer 21-Day Runtime Travel Case White HX4044/41 [New]](https://m.media-amazon.com/images/I/41OgvUEAuBL.jpg)**Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor 4 Brushing Settings EasyStart SmarTimer 21-Day Runtime Travel Case White HX4044/41 \[New\]**PHILIPS**£48.02**4.2★**▲ 288%**](https://www.amazon.co.uk/dp/B0G5YMZBYX) [![Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor 4 Brushing Settings EasyStart SmarTimer 21-Day Runtime Travel Case Black HX4044/52 [New]](https://m.media-amazon.com/images/I/41uh-aCNY5L.jpg)**Philips Sonicare 4100 Series Electric Toothbrush - Sonic Toothbrush with Pressure Sensor 4 Brushing Settings EasyStart SmarTimer 21-Day Runtime Travel Case Black HX4044/52 \[New\]**PHILIPS**£47.65**4.2★**▲ 253%**](https://www.amazon.co.uk/dp/B0G5Z488QD) [![Philips Sonicare 5300 Electric Toothbrush Sonic Toothbrush with 2 Intensity Levels Pressure Alert EasyStart SmarTimer and BrushPacer Black Model HX7101/01 [New Technology]](https://m.media-amazon.com/images/I/41Ogg9G6+ZL.jpg)**Philips Sonicare 5300 Electric Toothbrush Sonic Toothbrush with 2 Intensity Levels Pressure Alert EasyStart SmarTimer and BrushPacer Black Model HX7101/01 \[New Technology\]**PHILIPS**£47.26**4.4★**▲ 31%**](https://www.amazon.co.uk/dp/B0DCGK4MT7)
**~~View all trending →~~**
## **What buyers say about philips sonicare 4100**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Oral Hygiene**32%
*“I feel it does a great job especially around my gums which used to suffer”*
**Value For Money**9%
*“Well worth the money”*
**Charging**7%
*“quick to charge”*
**Quality-Overall**6%
*“Excellent quality - a replacement for my previous Phillips Sonicare”*
**Battery Life**5%
*“Battery life is good”*
**Ease Of Use**5%
*“Ease of use”*
**Ease Of Cleaning**4%
*“Cleans extremely well”*
**Cleansing**4%
*“cleans really well”*
**Vibration/Speed Control**3%
*“the sonic vibration seems to work better aswell”*
**Advertised Vs Actual Product**3%
*“Much better than expected”*
### **What buyers complain about **
**Durability**23%
*“Broken after 1yr and 1 month”*
**Battery Life**13%
*“Terrible battery life”*
**Charging**13%
*“Doesn't hold charge”*
**Oral Hygiene**7%
*“Consequently I would NOT recommend this toothbrush”*
**Ease Of Use**3%
*“now becoming difficult”*
**Size-Overall**3%
*“Smaller than my last sonicare toothbrush”*
**Value For Money**3%
*“Waste of money”*
**Touch/Button Controls**3%
*“Intermittent on/off button difficult to work”*
**Strength**2%
*“It's not very powerful”*
**Functionality-Overall**2%
*“didn't work”*
### **Top return reasons **
**Charging**25%
**Functionality-Overall**11%
**Quality-Overall**8%
**Strength**7%
**Oral Hygiene**7%
**Vibration/Speed Control**6%
**Size-Overall**5%
**Defective Material/Parts**5%
**Product Condition**5%
**Color**3%
## **Common questions**
- **Is philips sonicare 4100 profitable to sell on Amazon United Kingdom?**
- The niche generates £58K/yr across 13 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is +6.5%. Flapen's verdict: Skip it (42/100).
- **How competitive is the philips sonicare 4100 niche?**
- 2 brands and 97 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in philips sonicare 4100?**
- Top complaints mined from reviews: Durability, Battery Life, Charging. The return rate is 1.3%.
- **What does it cost to enter the philips sonicare 4100 niche?**
- Listings span £35.94–£52.86; the average listing price is £44.90 (sweet spot $15–$100). The average incumbent carries 7,594 reviews — the moat a new listing must climb.
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