---
title: "Reviews — teeth stain remover - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/teeth-stain-remover/reviews"
last_updated: "2026-08-10T23:27:10.228Z"
locale: en
meta:
  description: "Niche score 55/100 · $157K/yr market · 134K searches/yr. A deep review moat (8,012 avg reviews) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 55/100 · $157K/yr market · 134K searches/yr. A deep review moat (8,012 avg reviews) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — teeth stain remover - Flapen"
---

# **teeth stain remover**

**Worth a look**

Shows low returns (0.3%), but a deep review moat (8,012 avg reviews) keeps it on the watch list.

Market size 33Growth 25Conversion 72Competition 52Returns 98Price range 74Avg price 82Brand share 53Review moat 23Quality gap 76

**Returns**

**Incredible****0.3%**

return rate — above 5% kills the launch gate

**Avg price**

**Great****$17.74**

avg listing price — sweet spot $15–$100

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Price range**

**Good****$5.67–$41.52**

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

**Conversion**

**Good****6.6%**

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

**Brand share**

**Good****73%**

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

**Competition**

**Good****54%**

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

**Market size**

**Okay****$157K**

$157K/yr · 134K searches

**Growth**

**Okay****+0.3%**

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

**Review moat**

**Bad****8,011.86**

avg incumbent reviews — the moat a new listing must climb

## Reviews