---
title: "Reviews — estrid razor blades refill - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/estrid-razor-blades-refill/reviews"
last_updated: "2026-07-31T13:31:11.228Z"
locale: en
meta:
  description: "Niche score 54/100 · £359K/yr market. Brand-locked demand (top 5 brands take 99% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 54/100 · £359K/yr market. Brand-locked demand (top 5 brands take 99% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — estrid razor blades refill - Flapen"
---

# **estrid razor blades refill**

**Worth a look**

Shows low returns (0.1%), but brand-locked demand (top 5 brands take 99% of clicks) keeps it on the watch list.

Market size 54Growth 66Conversion 62Competition 33Returns 100Price range 54Avg price 48Brand share 2Review moat 49Quality gap 76

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Growth**

**Good****+44.8%**

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

**Conversion**

**Good****5.5%**

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

**Market size**

**Good****£359K**

£359K/yr · 559K searches

**Price range**

**Good****£4.99–£26.88**

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

**Review moat**

**Okay****1,630.77**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Okay****£11.74**

avg listing price — sweet spot $15–$100

**Competition**

**Okay****65%**

top-5 click share — leaders hold, buyers still browse

**Brand share**

**Bad****99%**

top-5 brand share — brand-locked demand

**Signals**[** Out of Stock**](https://flapen.com/research/niches?market=uk&signal=out_of_stock "OOS rate > 10%")