---
title: "Products — sp-6 ultra whitening toothpaste - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/sp-6-ultra-whitening-toothpaste/products"
last_updated: "2026-08-11T03:51:17.103Z"
locale: en
meta:
  description: "Niche score 55/100 · $425K/yr market. Brand-locked demand (top 5 brands take 94% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 55/100 · $425K/yr market. Brand-locked demand (top 5 brands take 94% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Products — sp-6 ultra whitening toothpaste - Flapen"
---

# **sp-6 ultra whitening toothpaste**

**Worth a look**

Shows low returns (0.3%), but brand-locked demand (top 5 brands take 94% of clicks) keeps it on the watch list.

Market size 57Growth 50Conversion 83Competition 20Returns 99Price range 70Avg price 79Brand share 16Review moat 25Quality gap 76

**Returns**

**Incredible****0.3%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****9.0%**

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

**Avg price**

**Great****$16.75**

avg listing price — sweet spot $15–$100

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Price range**

**Good****$11.25–$23.72**

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

**Market size**

**Good****$425K**

$425K/yr · 280K searches

**Growth**

**Good****+20.4%**

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

**Review moat**

**Bad****4,917.92**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Bad****77%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****94%**

top-5 brand share — brand-locked demand

## Products