---
title: "Trend — teeth whitening pen - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/teeth-whitening-pen/trend"
last_updated: "2026-08-11T07:40:53.359Z"
locale: en
meta:
  description: "Niche score 64/100 · $2.1M/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 64/100 · $2.1M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — teeth whitening pen - Flapen"
---

# **teeth whitening pen**

**Worth a look**

Shows low returns (0.5%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 95Growth 24Conversion 85Competition 36Returns 98Price range 78Avg price 83Brand share 54Review moat 23Quality gap 83

**Returns**

**Incredible****0.5%**

return rate — above 5% kills the launch gate

**Market size**

**Incredible****$2.1M**

$2.1M/yr · 1.2M searches

**Conversion**

**Great****9.6%**

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

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Great****$18.31**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$2.59–$59.47**

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

**Brand share**

**Good****72%**

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

**Competition**

**Okay****63%**

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

**Growth**

**Bad****-2.9%**

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

**Review moat**

**Bad****8,558.35**

avg incumbent reviews — the moat a new listing must climb

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

## Trend