---
title: "Reviews — menthol crystals for inhalation - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/menthol-crystals-for-inhalation/reviews"
last_updated: "2026-07-31T16:30:11.973Z"
locale: en
meta:
  description: "Niche score 40/100 · £150K/yr market · 143K searches/yr · £6.29 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 40/100 · £150K/yr market · 143K searches/yr · £6.29 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Reviews — menthol crystals for inhalation - Flapen"
---

# **menthol crystals for inhalation**

**Skip it**

Soft demand (-54.0% this quarter) — this niche doesn't clear our bar today.

Market size 32Growth 0Conversion 98Competition 16Returns 100Price range 0Avg price 17Brand share 40Review moat 69Quality gap 42

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Conversion**

**Incredible****16.7%**

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

**Review moat**

**Good****741.5**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Okay****81%**

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

**Market size**

**Okay****£150K**

£150K/yr · 143K searches

**Avg price**

**Bad****£6.29**

avg listing price — sweet spot $15–$100

**Competition**

**Bad****81%**

top-5 click share — a locked-up shelf

**Growth**

**Bad****-54.0%**

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

**Price range**

**Bad****£2.77–£8.35**

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