---
title: "Chlorhexidine Mouthwash — $359K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/chlorhexidine-mouthwash"
last_updated: "2026-08-10T22:26:02.710Z"
locale: en
meta:
description: "Niche score 43/100 · $359K/yr market · 448K searches/yr · $20.74 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · $359K/yr market · 448K searches/yr · $20.74 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Chlorhexidine Mouthwash — $359K/yr Amazon US Niche (2026) - Flapen"
---
# **chlorhexidine mouthwash**
**Skip it**
Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Market size 54Growth 26Conversion 48Competition 21Returns 98Price range 75Avg price 89Brand share 6Review moat 21Quality gap 35
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$20.74**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$6.95–$39.72**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$359K**
$359K/yr · 448K searches
**Conversion**
**Okay****3.9%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+1.1%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Review moat**
**Bad****10,933.86**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Bad****98%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, chlorhexidine mouthwash is a $359K/yr Amazon United States market (448K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Aug–Oct. Verdict: Skip it — 43/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **chlorhexidine mouthwash market data**
- **Units sold / yr**
- **15K–20K**
- avg 750–1,000/product
- **Revenue / yr**
- **$311K–$415K**
- units × avg price
- **Conversion rate**
- **3.9%**
- **Avg BSR**
- **#47**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **86%**
- **Out of stock**
- **3.1%**
- **Avg brand age**
- **79 months**
- **Avg seller age**
- **153 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▼falling
**Sellers**
**67**
**Top-5 brand share**
**98%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**0%**
- CloSYS48% - Parodontax20% - Iotech International18% - TheraBreath6% - iCLEAN5% - Colgate2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +1.1% search growth over the last 90 days.
13K8KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug, Oct · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/health-household/chlorhexidine-mouthwash/trend)
## **Top chlorhexidine mouthwash search terms**
- **chlorhexidine mouthwash**163K/yr-1.1%2.5% conv. - **chlorhexidine gluconate oral rinse**53K/yr+5.3%1.4% conv. - **closys healthy gums mouthwash**35K/yr+12.9%20.3% conv. - **chlorhexidine mouthwash for humans**34K/yr-10.5%3.5% conv. - **acclean chlorhexidine gluconate 0.12 oral rinse**25K/yr-4.3%1.4% conv. - **chlorhexidine oral rinse**20K/yr+7.0%1.8% conv. - **corsodyl mouthwash**26K/yr+0.5%1.9% conv. - **clorhexidina enjuague bucal**15K/yr-13.3%1.3% conv. - **chlorhexidine gluconate mouthwash**12K/yr+15.2%2.0% conv. - **chlorhexidine gluconate oral rinse usp 0.12**7K/yr+15.4%1.1% conv. [**All search terms **](https://flapen.com/research/us/health-household/chlorhexidine-mouthwash/search-terms)
## **Top chlorhexidine mouthwash 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%10%$36K20%$72K30%$108K40%$144K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**CloSYS Healthy Gums Mouthwash 32 Fl Oz Antiplaque Anti-Gingivitis Mouthwash Non-Burning Non-Irritating**CloSYS**$13.66**4.5★4,858 rev](https://www.amazon.com/dp/B0BRYLRN2Z) [2**Parodontax Active Gum Health Mouthwash Antiplaque and Antigingivitis Mouthwash Mint 16.9 Fl Oz**Parodontax**$6.95**4.7★1,553 rev](https://www.amazon.com/dp/B0B46J2PF5) [3**Recommended by 1 000s of Dental Professionals Because it Simply Works Better. Professional Strength ioRinse RTU. Powerful Long-Lasting Breath freshening that You Can Trust. Soft Mint 16.9 oz**Iotech International**$27.42**4.5★1,401 rev](https://www.amazon.com/dp/B0CSZ9NW7G) [4**TheraBreath Healthy Gums Oral Rinse Antigingivitis Clean Mint Flavor Dentist Formulated to Help Prevent Gingivitis and Support Gum Health Alcohol Free 16 Fl Oz (Pack of 2)**TheraBreath**$16.48**4.8★33,180 rev](https://www.amazon.com/dp/B0758F8KDC) [5**CloSYS Healthy Gums Mouthwash 32 Fl Oz Pack of 2 Antiplaque Anti-Gingivitis Mouthwash Non-Burning Non-Irritating**CloSYS**$26.17**4.5★4,858 rev](https://www.amazon.com/dp/B0BW2KJ5C2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**CloSYS Hydrogen Peroxide Mouthwash 16 oz Canker Sore Mouthwash Alcohol-Free Non-Burning Cleanses and Heals Mouth Sore Rinse**CloSYS**$15.36**692 rev1y ago](https://www.amazon.com/dp/B0DSLS8VP6) [**ioRinse MR Oral Rinse Mouthwash for Dry Mouth & Mouth Sores Relief Alcohol Free Therapeutic Mouthwash for Oral Mucositis Canker Sores & Irritation Dentist Recommended Oral Rinse Mint Flavor 1 L**Iotech International**$39.72**522 rev1y ago](https://www.amazon.com/dp/B0D9V22XB3) [**Recommended by 1 000s of Dental Professionals Because it Simply Works Better. Professional Strength ioRinse RTU. Powerful Long-Lasting Breath freshening that You Can Trust. Soft Mint 16.9 oz**Iotech International**$27.42**1,401 rev2y ago](https://www.amazon.com/dp/B0CSZ9NW7G) [**ioRinse Ultra Periodontal Rinse & Gum Mouthwash Alcohol Free Mouth Rinse for Gum Disease Fights Gingivitis Plaque & Bad Breath Bleeding Gums mouthwash with Molecular Iodine & Xylitol 1L**Iotech International**$39.19**577 rev2y ago](https://www.amazon.com/dp/B0CDQPLH7G) [**CloSYS Healthy Gums Mouthwash 32 Fl Oz Pack of 2 Antiplaque Anti-Gingivitis Mouthwash Non-Burning Non-Irritating**CloSYS**$26.17**4,858 rev3y ago](https://www.amazon.com/dp/B0BW2KJ5C2)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Recommended by 1 000s of Dental Professionals Because it Simply Works Better. Professional Strength ioRinse RTU. Powerful Long-Lasting Breath freshening that You Can Trust. Soft Mint 16.9 oz**Iotech International**$27.42**4.5★**▲ 137%**](https://www.amazon.com/dp/B0CSZ9NW7G) [**Parodontax Active Gum Health Mouthwash Antiplaque and Antigingivitis Mouthwash Mint 16.9 Fl Oz**Parodontax**$6.95**4.7★**▲ 90%**](https://www.amazon.com/dp/B0B46J2PF5) [**CloSYS Ultra Sensitive Mouthwash 32 Oz Alcohol Free Mouthwash Unflavored Mouth Wash Dye Free pH Balanced Helps Soothe Entire Mouth**CloSYS**$12.10**4.5★**▲ 63%**](https://www.amazon.com/dp/B000O3VRTQ) [**CloSYS Healthy Gums Mouthwash 32 Fl Oz Antiplaque Anti-Gingivitis Mouthwash Non-Burning Non-Irritating**CloSYS**$13.66**4.5★**▲ 54%**](https://www.amazon.com/dp/B0BRYLRN2Z) [**CloSYS Ultra Sensitive Mouthwash 32 Oz Pack of 2 Alcohol Free Mouthwash Unflavored Mouth Wash Dye Free pH Balanced Helps Soothe Entire Mouth**CloSYS**$22.05**4.5★**— 6%**](https://www.amazon.com/dp/B00JMLT22K)
**~~View all trending →~~**
## **What buyers say about chlorhexidine mouthwash**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**19%
*“Great product and now part of my routine”*
**Efficiency**10%
*“Does the job”*
**Value For Money**9%
*“Good price”*
**Tooth Sensitivity**9%
*“Good for sensitive teeth”*
**Cleansing**7%
*“your mouth feeling clean”*
**Breathability**7%
*“No more bad breath”*
**Oral Hygiene**5%
*“This stuff is really good for your teeth and your gums”*
**Advertised Vs Actual Product**5%
*“As advertised”*
**Tooth Brightening**4%
*“I am pretty sure my teeth are whiter”*
**Ease Of Cleaning**3%
*“It has a clean”*
### **What buyers complain about **
**Value For Money**14%
*“Expensive”*
**Leak-Proof**9%
*“It was leaking”*
**Ease Of Use**9%
*“it was awful to use”*
**Stain Resistance**6%
*“Stains”*
**Taste-Overall**5%
*“Completely tasteless”*
**Allergies**4%
*“Allergic reaction”*
**Quality-Overall**3%
*“Over rated”*
**Functionality-Overall**3%
*“Not much effective”*
**Sensitivity-Overall**3%
*“Burning sensation after spitting out”*
**Moist/Dry**2%
*“It leaves my mouth really dry”*
### **Top return reasons **
**Leak-Proof**48%
**Advertised Vs Actual Product**10%
**Value For Money**5%
**Functionality-Overall**5%
**Size-Overall**4%
**Stain Resistance**4%
**Ingredients-Overall**3%
**Moist/Dry**2%
**Smell**2%
**Taste-Overall**2%
## **Common questions**
- **Is chlorhexidine mouthwash profitable to sell on Amazon United States?**
- The niche generates $359K/yr across 14 tracked products. 90-day search growth is +1.1%. Flapen's verdict: Skip it (43/100).
- **How competitive is the chlorhexidine mouthwash niche?**
- 6 brands and 67 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 98% of demand.
- **What do buyers complain about in chlorhexidine mouthwash?**
- Top complaints mined from reviews: Value For Money, Leak-Proof, Ease Of Use. The return rate is 0.4%.
- **When does demand for chlorhexidine mouthwash peak?**
- Demand peaks in Aug–Oct; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the chlorhexidine mouthwash niche?**
- Listings span $6.95–$39.72; the average listing price is $20.74 (sweet spot $15–$100). The average incumbent carries 10,934 reviews — the moat a new listing must climb.
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