---
title: "Products — thinx period underwear for teen girls - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/thinx-period-underwear-for-teen-girls/products"
last_updated: "2026-08-10T00:45:35.786Z"
locale: en
meta:
  description: "Niche score 44/100 · $98K/yr market · 186K searches/yr · $25.72 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 44/100 · $98K/yr market · 186K searches/yr · $25.72 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Products — thinx period underwear for teen girls - Flapen"
---

# **thinx period underwear for teen girls**

**Skip it**

Soft demand (-4.1% this quarter) — this niche doesn't clear our bar today.

Market size 25Growth 23Conversion 26Competition 77Returns 31Price range 88Avg price 95Brand share 31Review moat 48Quality gap 48

**Avg price**

**Incredible****$25.72**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$11.01–$53.89**

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

**Competition**

**Great****38%**

top-5 click share — an open shelf

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****1,740.36**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Okay****86%**

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

**Returns**

**Okay****4.5%**

return rate — above 5% kills the launch gate

**Conversion**

**Okay****2.1%**

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

**Market size**

**Bad****$98K**

$98K/yr · 186K searches

**Growth**

**Bad****-4.1%**

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

## Products