---
title: "Products — sonicare c1 replacement heads - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/sonicare-c1-replacement-heads/products"
last_updated: "2026-08-11T12:28:55.969Z"
locale: en
meta:
  description: "Niche score 50/100 · $347K/yr market · 144K searches/yr. A concentrated shelf (top 5 take 78% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 50/100 · $347K/yr market · 144K searches/yr. A concentrated shelf (top 5 take 78% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Products — sonicare c1 replacement heads - Flapen"
---

# **sonicare c1 replacement heads**

**Worth a look**

Shows searches that convert (15.7% search→purchase), but a concentrated shelf (top 5 take 78% of clicks) keeps it on the watch list.

Market size 53Growth 29Conversion 97Competition 18Returns 95Price range 79Avg price 76Brand share 20Review moat 38Quality gap 42

**Conversion**

**Incredible****15.7%**

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

**Returns**

**Incredible****0.9%**

return rate — above 5% kills the launch gate

**Price range**

**Great****$8.87–$39.24**

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

**Avg price**

**Great****$15.33**

avg listing price — sweet spot $15–$100

**Market size**

**Good****$347K**

$347K/yr · 144K searches

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****2,660**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Okay****+3.1%**

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

**Brand share**

**Bad****92%**

top-5 brand share — brand-locked demand

**Competition**

**Bad****78%**

top-5 click share — a locked-up shelf

## Products