---
title: "Products — philips sonicare 4100 - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/philips-sonicare-4100/products"
last_updated: "2026-07-31T17:37:47.572Z"
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": "Products — philips sonicare 4100 - 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