---
title: "Plax — $213K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/plax"
last_updated: "2026-08-09T19:32:06.462Z"
locale: en
meta:
description: "Niche score 34/100 · $213K/yr market · 106K searches/yr · $9.19 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 34/100 · $213K/yr market · 106K searches/yr · $9.19 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Plax — $213K/yr Amazon US Niche (2026) - Flapen"
---
# **plax**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 41Growth 17Conversion 100Competition 0Returns 99Price range 18Avg price 27Brand share 0Review moat 37Quality gap 14
**Conversion**
**Incredible****21.9%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Market size**
**Okay****$213K**
$213K/yr · 106K searches
**Review moat**
**Okay****2,784.67**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Okay****$9.19**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****$3.89–$17.43**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Bad****-16.3%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.8★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, plax is a $213K/yr Amazon United States market (106K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug. Verdict: Skip it — 34/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **plax market data**
- **Units sold / yr**
- **30K–40K**
- avg 10,000–12,500/product
- **Revenue / yr**
- **$276K–$368K**
- units × avg price
- **Conversion rate**
- **21.9%**
- **Avg BSR**
- **#93**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **67%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **93 months**
- **Avg seller age**
- **160 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **—flat
**Sellers**
**14**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Plax45% - Amazon Basics43% - TheraBreath12%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -16.3% search growth over the last 90 days.
4K3KPrime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/health-household/plax/trend)
## **Top plax search terms**
- **plax**37K/yr-10.9%14.3% conv. - **pre brush dental rinse**10K/yr+3.7%17.8% conv. - **plax pre-brush dental rinse**4K/yr+111.1%14.9% conv. - **pre brush mouthwash**7K/yr+2.7%13.2% conv. - **pre rinse mouthwash**6K/yr-4.0%16.4% conv. - **plax mouthwash**10K/yr-11.2%6.7% conv. - **prebrush dental rinse**4K/yr-3.5%23.1% conv. - **plax anti-plaque dental rinse**29K/yr-82.6%6.8% conv. [**All search terms **](https://flapen.com/research/us/health-household/plax/search-terms)
## **Top plax 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%15%$32K30%$64K45%$96K60%$128K1K10K 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**Plax Advanced PreBrushing Dental Rinse Soft Mint 24 Ounce**Plax**$6.24**4.8★3,830 rev](https://www.amazon.com/dp/B0012DVJM2) [2**Amazon Basics Pre-Brush Dental Rinse Green Mint Flavor Loosens Plaque Before Brushing 24 Fluid Ounces 1-Pack (Previously Solimo)**Amazon Basics**$3.89**4.7★1,828 rev](https://www.amazon.com/dp/B09HHDJ2FF) [3**TheraBreath Plaque Control Pre-Brush Oral Rinse Refreshing Mint Flavor Antigingivitis and Antiplaque Rinse Dentist Formulated Alcohol Free 16 Fl Oz (Pack of 2)**TheraBreath**$17.43**4.8★2,696 rev](https://www.amazon.com/dp/B0DFKDXQKG)
### **Newest**
by launch date
[**TheraBreath Plaque Control Pre-Brush Oral Rinse Refreshing Mint Flavor Antigingivitis and Antiplaque Rinse Dentist Formulated Alcohol Free 16 Fl Oz (Pack of 2)**TheraBreath**$17.43**2,696 rev1y ago](https://www.amazon.com/dp/B0DFKDXQKG) [**Amazon Basics Pre-Brush Dental Rinse Green Mint Flavor Loosens Plaque Before Brushing 24 Fluid Ounces 1-Pack (Previously Solimo)**Amazon Basics**$3.89**1,828 rev4y ago](https://www.amazon.com/dp/B09HHDJ2FF) [**Plax Advanced PreBrushing Dental Rinse Soft Mint 24 Ounce**Plax**$6.24**3,830 rev19y ago](https://www.amazon.com/dp/B0012DVJM2)
### **Trending**
90-day click momentum
[**Amazon Basics Pre-Brush Dental Rinse Green Mint Flavor Loosens Plaque Before Brushing 24 Fluid Ounces 1-Pack (Previously Solimo)**Amazon Basics**$3.89**4.7★**▲ 41%**](https://www.amazon.com/dp/B09HHDJ2FF) [**TheraBreath Plaque Control Pre-Brush Oral Rinse Refreshing Mint Flavor Antigingivitis and Antiplaque Rinse Dentist Formulated Alcohol Free 16 Fl Oz (Pack of 2)**TheraBreath**$17.43**4.8★**▲ 25%**](https://www.amazon.com/dp/B0DFKDXQKG) [**Plax Advanced PreBrushing Dental Rinse Soft Mint 24 Ounce**Plax**$6.24**4.8★**▼ 25%**](https://www.amazon.com/dp/B0012DVJM2)
## **What buyers say about plax**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**25%
*“Worth the money”*
**Cleansing**15%
*“a Smoother Clean”*
**Quality-Overall**13%
*“Cheap and good product”*
**Efficiency**10%
*“Work great/ This does the job”*
**Tooth Brightening**8%
*“I feel like my teeth are cleaner”*
**Ease Of Cleaning**5%
*“clean”*
**Breathability**5%
*“Rinsing clean breathe”*
**Ease Of Use**5%
*“Easy to use and very effective”*
**Brush Quality**3%
*“great pre brush rinse”*
**Alcohol Content**3%
*“is good oral rinse alcohol free for sensitive teeth :”*
### **What buyers complain about **
**Ingredients-Overall**19%
*“Wish I had thought to read the ingredients”*
**Size-Overall**19%
*“The only complaint I have is the bottle isnt big enough”*
**Value For Money**13%
*“I cant afford the tripled price”*
**Sensitivity-Overall**13%
*“don't use toothpaste because it tends to burn my mouth”*
**Advertised Vs Actual Product**13%
*“They just suggest that it doesn't work as promised”*
**Leak-Proof**13%
*“Recently these bottles have leaked”*
**Allergies**3%
*“have found them extremely irritating”*
### **Top return reasons **
**Advertised Vs Actual Product**17%
**Leak-Proof**15%
**Ingredients-Overall**11%
**Functionality-Overall**8%
**Moist/Dry**8%
**Alcohol Content**7%
**Stain Resistance**6%
**Product Condition**4%
**Color**3%
**Ease Of Cleaning**2%
## **Common questions**
- **Is plax profitable to sell on Amazon United States?**
- The niche generates $213K/yr across 3 tracked products. 90-day search growth is -16.3%. Flapen's verdict: Skip it (34/100).
- **How competitive is the plax niche?**
- 3 brands and 14 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in plax?**
- Top complaints mined from reviews: Ingredients-Overall, Size-Overall, Value For Money. The return rate is 0.1%.
- **When does demand for plax peak?**
- Demand peaks in Aug; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the plax niche?**
- Listings span $3.89–$17.43; the average listing price is $9.19 (sweet spot $15–$100). The average incumbent carries 2,785 reviews — the moat a new listing must climb.
## **Related niches in Health & Household**
- 76 [**cedar oil**](https://flapen.com/research/us/health-household/cedar-oil)$1.2M/yr+214.4%**Launch it**- 77 [**nutrapure glp1 cutting mix**](https://flapen.com/research/us/health-household/nutrapure-glp1-cutting-mix)$149K/yr+940.2%**Worth a look**- 77 [**dexcom g7**](https://flapen.com/research/us/health-household/dexcom-g7)$2.0M/yr+39.9%**Launch it**- 77 [**purelia**](https://flapen.com/research/us/health-household/purelia)$635K/yr+359.7%**Worth a look**- 77 [**graduation napkins**](https://flapen.com/research/us/health-household/graduation-napkins)$302K/yr+385.7%**Worth a look**- 77 [**credit card wand**](https://flapen.com/research/us/health-household/credit-card-wand)$418K/yr+101.3%**Worth a look**[**All Health & Household niches **](https://flapen.com/research/us/health-household)