---
title: "Trend — hair straightening shampoo - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/hair-straightening-shampoo/trend"
last_updated: "2026-08-06T16:35:39.468Z"
locale: en
meta:
  description: "Niche score 59/100 · $237K/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 59/100 · $237K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — hair straightening shampoo - Flapen"
---

# **hair straightening shampoo**

**Worth a look**

Shows low returns (0.7%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 45Growth 66Conversion 89Competition 58Returns 96Price range 75Avg price 86Brand share 5Review moat 24Quality gap 57

**Returns**

**Incredible****0.7%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****10.4%**

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

**Avg price**

**Great****$19.48**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$6.97–$39.25**

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

**Growth**

**Good****+45.2%**

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

**Competition**

**Good****50%**

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

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Market size**

**Okay****$237K**

$237K/yr · 117K searches

**Review moat**

**Bad****4,926.52**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Bad****98%**

top-5 brand share — brand-locked demand

## Trend