---
title: "Trend — diffuser - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/diffuser/trend"
last_updated: "2026-07-31T08:00:56.483Z"
locale: en
meta:
  description: "Niche score 66/100 · £2.5M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 66/100 · £2.5M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — diffuser - Flapen"
---

# **diffuser**

**Worth a look**

Shows low returns (0.8%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 95Growth 13Conversion 47Competition 81Returns 96Price range 44Avg price 57Brand share 82Review moat 47Quality gap 77

**Returns**

**Incredible****0.8%**

return rate — above 5% kills the launch gate

**Market size**

**Incredible****£2.5M**

£2.5M/yr · 5.1M searches

**Brand share**

**Great****53%**

top-5 brand share — no brand owns this niche

**Competition**

**Great****34%**

top-5 click share — an open shelf

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Good****£12.81**

avg listing price — sweet spot $15–$100

**Conversion**

**Okay****3.8%**

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

**Review moat**

**Okay****1,805.43**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Okay****£1.99–£25.06**

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

**Growth**

**Bad****-24.1%**

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

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%")