---
title: "Reviews — blue black hair dye - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/blue-black-hair-dye/reviews"
last_updated: "2026-08-09T18:01:28.084Z"
locale: en
meta:
  description: "Niche score 57/100 · $641K/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 57/100 · $641K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — blue black hair dye - Flapen"
---

# **blue black hair dye**

**Worth a look**

Shows low returns (0.3%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 66Growth 25Conversion 44Competition 90Returns 99Price range 61Avg price 56Brand share 28Review moat 24Quality gap 57

**Returns**

**Incredible****0.3%**

return rate — above 5% kills the launch gate

**Competition**

**Great****25%**

top-5 click share — an open shelf

**Market size**

**Good****$641K**

$641K/yr · 1.4M searches

**Price range**

**Good****$4.57–$31.11**

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

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Good****$12.66**

avg listing price — sweet spot $15–$100

**Conversion**

**Okay****3.5%**

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

**Brand share**

**Okay****88%**

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

**Growth**

**Bad****-0.3%**

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

**Review moat**

**Bad****6,486.73**

avg incumbent reviews — the moat a new listing must climb

## Reviews