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.

chlorhexidine mouthwash

Skip it

Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.4%

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

Okay3.9%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+1.1%

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

Competition

Bad75%

top-5 click share — a locked-up shelf

Review moat

Bad10,933.86

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad98%

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

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

Top-5 brand share

98%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

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.

Peak months: Aug, Oct · busiest ÷ quietest = 1.8×

Open Trend

Top chlorhexidine mouthwash search terms

chlorhexidine mouthwash163K/yr -1.1%2.5% conv.
chlorhexidine gluconate oral rinse53K/yr +5.3%1.4% conv.
closys healthy gums mouthwash35K/yr +12.9%20.3% conv.
chlorhexidine mouthwash for humans34K/yr -10.5%3.5% conv.
acclean chlorhexidine gluconate 0.12 oral rinse25K/yr -4.3%1.4% conv.
chlorhexidine oral rinse20K/yr +7.0%1.8% conv.
corsodyl mouthwash26K/yr +0.5%1.9% conv.
clorhexidina enjuague bucal15K/yr -13.3%1.3% conv.
chlorhexidine gluconate mouthwash12K/yr +15.2%2.0% conv.
chlorhexidine gluconate oral rinse usp 0.127K/yr +15.4%1.1% conv.

All 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.

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

CloSYS Healthy Gums Mouthwash 32 Fl Oz Antiplaque Anti-Gingivitis Mouthwash Non-Burning Non-Irritating

CloSYS$13.664.5★4,858 rev

Parodontax Active Gum Health Mouthwash Antiplaque and Antigingivitis Mouthwash Mint 16.9 Fl Oz

Parodontax$6.954.7★1,553 rev

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$27.424.5★1,401 rev

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$16.484.8★33,180 rev

CloSYS Healthy Gums Mouthwash 32 Fl Oz Pack of 2 Antiplaque Anti-Gingivitis Mouthwash Non-Burning Non-Irritating

CloSYS$26.174.5★4,858 rev

Newest

by launch date

CloSYS Hydrogen Peroxide Mouthwash 16 oz Canker Sore Mouthwash Alcohol-Free Non-Burning Cleanses and Heals Mouth Sore Rinse

CloSYS$15.36692 rev

1y ago

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$39.72522 rev

1y ago

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$27.421,401 rev

2y ago

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$39.19577 rev

2y ago

CloSYS Healthy Gums Mouthwash 32 Fl Oz Pack of 2 Antiplaque Anti-Gingivitis Mouthwash Non-Burning Non-Irritating

CloSYS$26.174,858 rev

3y ago

What buyers say about chlorhexidine mouthwash

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall19%

“Great product and now part of my routine”

Efficiency10%

“Does the job”

Value For Money9%

“Good price”

Tooth Sensitivity9%

“Good for sensitive teeth”

Cleansing7%

“your mouth feeling clean”

Breathability7%

“No more bad breath”

Oral Hygiene5%

“This stuff is really good for your teeth and your gums”

Advertised Vs Actual Product5%

“As advertised”

Tooth Brightening4%

“I am pretty sure my teeth are whiter”

Ease Of Cleaning3%

“It has a clean”

What buyers complain about

Value For Money14%

“Expensive”

Leak-Proof9%

“It was leaking”

Ease Of Use9%

“it was awful to use”

Stain Resistance6%

“Stains”

Taste-Overall5%

“Completely tasteless”

Allergies4%

“Allergic reaction”

Quality-Overall3%

“Over rated”

Functionality-Overall3%

“Not much effective”

Sensitivity-Overall3%

“Burning sensation after spitting out”

Moist/Dry2%

“It leaves my mouth really dry”

Top return reasons

Leak-Proof48%

Advertised Vs Actual Product10%

Value For Money5%

Functionality-Overall5%

Size-Overall4%

Stain Resistance4%

Ingredients-Overall3%