---
title: "Trend — serotonin - Flapen"
canonical_url: "https://flapen.com/research/de/drogerie-koerperpflege/serotonin/trend"
last_updated: "2026-08-10T14:43:41.091Z"
locale: en
meta:
  description: "Niche score 51/100 · €217K/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 51/100 · €217K/yr market. Brand-locked demand (top 5 brands take 94% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — serotonin - Flapen"
---

# **serotonin**

**Worth a look**

Shows low returns (0.1%), but brand-locked demand (top 5 brands take 94% of clicks) keeps it on the watch list.

Market size 42Growth 19Conversion 62Competition 25Returns 100Price range 95Avg price 95Brand share 16Review moat 68Quality gap 78

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****€24.52**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****€15.17–€44.74**

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

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Good****765.88**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Good****5.4%**

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

**Market size**

**Okay****€217K**

€217K/yr · 163K searches

**Competition**

**Bad****70%**

top-5 click share — a locked-up shelf

**Growth**

**Bad****-11.2%**

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

**Brand share**

**Bad****94%**

top-5 brand share — brand-locked demand

## Trend