---
title: "Eptchn Triple Whitening Niacinamide Toothpaste — $23K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/eptchn-triple-whitening-niacinamide-toothpaste"
last_updated: "2026-08-11T09:44:11.556Z"
locale: en
meta:
description: "Niche score 31/100 · $23K/yr market · 21K searches/yr · $11.49 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 31/100 · $23K/yr market · 21K searches/yr · $11.49 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Eptchn Triple Whitening Niacinamide Toothpaste — $23K/yr Amazon US Niche (2026) - Flapen"
---
# **eptchn triple whitening niacinamide toothpaste**
**Skip it**
Soft demand (-61.1% this quarter) — this niche doesn't clear our bar today.
Market size 6Growth 0Conversion 85Competition 0Returns 99Price range 3Avg price 46Brand share 0Review moat 16Quality gap 88
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Great****9.5%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Okay****$11.49**
avg listing price — sweet spot $15–$100
**Review moat**
**Bad****19,887.67**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$23K**
$23K/yr · 21K searches
**Price range**
**Bad****$7.97–$15.24**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Bad****-61.1%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, eptchn triple whitening niacinamide toothpaste is a $23K/yr Amazon United States market (21K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 31/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **eptchn triple whitening niacinamide toothpaste market data**
- **Units sold / yr**
- **2K–2K**
- avg 100–250/product
- **Revenue / yr**
- **$17K–$23K**
- units × avg price
- **Conversion rate**
- **9.5%**
- **Avg BSR**
- **#588**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **67%**
- **Out of stock**
- **27.7%**
- **Avg brand age**
- **-16 months**
- **Avg seller age**
- **196 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **
**Sellers**
**5**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Xaarty61% - JWBVCTCR26% - Boka13%
## **Demand**
Weekly Amazon search volume, last 34 weeks — -61.1% search growth over the last 90 days.
2K1KSpike '26Nov '25Dec '25Feb '26Mar '26Apr '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/health-household/eptchn-triple-whitening-niacinamide-toothpaste/trend)
## **Top eptchn triple whitening niacinamide toothpaste products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%20%$5K40%$9K60%$14K80%$18K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 3 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**2Pack Niacinamide Whitening Toothpaste Niacinamide Intensive Toothpaste Fresh Breath 7.6 Oz**Xaarty**$15.24**3.8★452 rev](https://www.amazon.com/dp/B0F84BB6HX) [2**Niacinamide Whitening Toothpaste Niacinamide Toothpaste Whitening Improves Gum Health Fresh Breath Fluoride-Free Formula is Suitable for Sensitive Teeth (3.8oz1 Pack)**JWBVCTCR**$7.97**4.0★98 rev](https://www.amazon.com/dp/B0FJM67CYG) [3**Boka Fluoride Free Toothpaste Nano Hydroxyapatite Toothpaste Appropriate for Sensitive Teeth for Adult Kids Oral Care - Whitening* Refresh Mint 4 Fl Oz 1Pk**Boka**$11.25**4.5★59,113 rev](https://www.amazon.com/dp/B0BSRFKKZJ)
### **Newest**
by launch date
[**Niacinamide Whitening Toothpaste Niacinamide Toothpaste Whitening Improves Gum Health Fresh Breath Fluoride-Free Formula is Suitable for Sensitive Teeth (3.8oz1 Pack)**JWBVCTCR**$7.97**98 rev8mo ago](https://www.amazon.com/dp/B0FJM67CYG) [**2Pack Niacinamide Whitening Toothpaste Niacinamide Intensive Toothpaste Fresh Breath 7.6 Oz**Xaarty**$15.24**452 rev1y ago](https://www.amazon.com/dp/B0F84BB6HX) [**Boka Fluoride Free Toothpaste Nano Hydroxyapatite Toothpaste Appropriate for Sensitive Teeth for Adult Kids Oral Care - Whitening* Refresh Mint 4 Fl Oz 1Pk**Boka**$11.25**59,113 rev3y ago](https://www.amazon.com/dp/B0BSRFKKZJ)
### **Trending**
90-day click momentum
[**Niacinamide Whitening Toothpaste Niacinamide Toothpaste Whitening Improves Gum Health Fresh Breath Fluoride-Free Formula is Suitable for Sensitive Teeth (3.8oz1 Pack)**JWBVCTCR**$7.97**4.0★**▲ 66%**](https://www.amazon.com/dp/B0FJM67CYG) [**2Pack Niacinamide Whitening Toothpaste Niacinamide Intensive Toothpaste Fresh Breath 7.6 Oz**Xaarty**$15.24**3.8★**▲ 17%**](https://www.amazon.com/dp/B0F84BB6HX) [**Boka Fluoride Free Toothpaste Nano Hydroxyapatite Toothpaste Appropriate for Sensitive Teeth for Adult Kids Oral Care - Whitening* Refresh Mint 4 Fl Oz 1Pk**Boka**$11.25**4.5★**▼ 60%**](https://www.amazon.com/dp/B0BSRFKKZJ)
## **What buyers say about eptchn triple whitening niacinamide toothpaste**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Oral Hygiene**22%
*“Great for Sensitive Teeth”*
**Tooth Brightening**21%
*“my teeth are visibly whiter”*
**Taste-Overall**10%
*“Good taste”*
**Tooth Sensitivity**5%
*“Great for Sensitive Teeth”*
**Quality-Overall**5%
*“Fair product”*
**Flavor**5%
*“Mild flavor”*
**Cleansing**5%
*“It cleans well”*
**Value For Money**3%
*“Worth every penny”*
**Freshness**2%
*“So fresh”*
**Efficiency**1%
*“I do find this to be really effective”*
### **What buyers complain about **
**Oral Hygiene**11%
*“The chemical, sodium lauryl sulfate may have a possible side affect of mouth sores”*
**Value For Money**9%
*“Waste of money”*
**Tooth Brightening**9%
*“Does not whiten”*
**Functionality-Overall**7%
*“Doesn't work”*
**Taste-Overall**6%
*“Doesn't taste great”*
**Tooth Sensitivity**4%
*“It can cause a rapid tooth decay and sensitive happen”*
**Advertised Vs Actual Product**4%
*“not been given the product that was advertised”*
**Ingredients-Overall**3%
*“the ingredients are not strong tasting”*
**Color**2%
*“Not whiter”*
**Breathability**2%
*“Does not keep your breath fresh”*
### **Top return reasons **
**Tooth Brightening**13%
**Taste-Overall**13%
**Advertised Vs Actual Product**11%
**Functionality-Overall**10%
**Tooth Sensitivity**8%
**Flavor**7%
**Ingredients-Overall**6%
**Oral Hygiene**5%
**Value For Money**4%
**Leak-Proof**3%
## **Common questions**
- **Is eptchn triple whitening niacinamide toothpaste profitable to sell on Amazon United States?**
- The niche generates $23K/yr across 3 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -61.1%. Flapen's verdict: Skip it (31/100).
- **How competitive is the eptchn triple whitening niacinamide toothpaste niche?**
- 3 brands and 5 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in eptchn triple whitening niacinamide toothpaste?**
- Top complaints mined from reviews: Oral Hygiene, Value For Money, Tooth Brightening. The return rate is 0.3%.
- **What does it cost to enter the eptchn triple whitening niacinamide toothpaste niche?**
- Listings span $7.97–$15.24; the average listing price is $11.49 (sweet spot $15–$100). The average incumbent carries 19,888 reviews — the moat a new listing must climb.
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