dry mouth mouthwash
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible22.6%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Market size
Incredible$2.8M$2.8M/yr · 1.1M searches
Avg price
Okay$11.43avg listing price — sweet spot $15–$100
Price range
Okay$4.74–$21.30cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+0.3%90-day search growth — must beat 0% to launch
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad9,499.64avg incumbent reviews — the moat a new listing must climb
Competition
Bad74%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, dry mouth mouthwash is a $2.8M/yr Amazon United States market (1.1M searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 49/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
dry mouth mouthwash market data
- Units sold / yr
- 250K–300K
- avg 25,000–30,000/product
- Revenue / yr
- $2.9M–$3.4M
- units × avg price
- Conversion rate
- 22.6%
- Avg BSR
- #35
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 55%
- Out of stock
- 0.0%
- Avg brand age
- 74 months
- Avg seller age
- 141 days
Competition & brand share
The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 flat
Sellers
77
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
74%
Top 20: 100%
Open market
0%
- biotène84%
- Amazon Basics7%
- ACT5%
- TheraBreath4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +0.3% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.2×
Top dry mouth mouthwash search terms
- biotene dry mouth oral rinse427K/yr
- biotene262K/yr
- dry mouth mouthwash122K/yr
- act dry mouth mouthwash40K/yr
- biotene mouthwash57K/yr
- biotene dry mouth35K/yr
- dry mouth rinse21K/yr
- mouthwash for dry mouth21K/yr
- biotin mouthwash for dry mouth15K/yr
- therabreath dry mouth15K/yr
Top dry mouth 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.
All 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Biotene Oral Rinse Mouthwash for Dry Mouth Breath Freshener and Dry Mouth Treatment Fresh Mint - 33.8 fl oz
biotène$10.634.7★28,131 rev
Biotene Oral Rinse Mouthwash for Dry Mouth Breath Freshener and Dry Mouth Treatment Fresh Mint - 2x33.8 fl oz
biotène$21.304.7★3,573 rev
Biotene Oral Rinse Mouthwash for Dry Mouth Fresh Mint - 16 fl oz
biotène$6.834.7★28,131 rev
Biotene Dry Mouth Management Oral Rinse Dry Mouth Spray and Moisturizing Gel - 1 Kit
biotène$16.814.6★6,912 rev
Amazon Basics Dry Mouth Oral Rinse Alcohol Free Mint Flavor Soothes and Hydrates 16 Fluid Ounces 1-Pack (Previously Solimo)
Amazon Basics$4.744.4★2,159 rev
Newest
by launch dateAmazon Basics Dry Mouth Oral Rinse Alcohol Free Mint Flavor Soothes and Hydrates 16 Fluid Ounces 1-Pack (Previously Solimo)
Amazon Basics$4.742,159 rev
Biotene Dry Mouth Management Oral Rinse Dry Mouth Spray and Moisturizing Gel - 1 Kit
biotène$16.816,912 rev
Biotene Dry Mouth Lozenges for Dry Mouth and Fresh Breath Dry Mouth Relief and Breath Freshener Refreshing Mint - 27 Count
biotène$6.854,789 rev
Biotene Dry Mouth Lozenges for Dry Mouth and Fresh Breath Dry Mouth Relief and Breath Freshener Refreshing Mint - 27 Count (Pack of 3)
biotène$19.694,364 rev
Biotene Oral Rinse Mouthwash for Dry Mouth Fresh Mint - 16 fl oz
biotène$6.8328,131 rev
Trending
90-day click momentum
TheraBreath Dry Mouth Oral Rinse Tingling Mint Dentist Formulated 16 Fl Oz (2-Pack)
TheraBreath$16.234.6★
Amazon Basics Dry Mouth Oral Rinse Alcohol Free Mint Flavor Soothes and Hydrates 16 Fluid Ounces 1-Pack (Previously Solimo)
Amazon Basics$4.744.4★
Biotene Dry Mouth Lozenges for Dry Mouth and Fresh Breath Dry Mouth Relief and Breath Freshener Refreshing Mint - 27 Count (Pack of 3)
biotène$19.694.7★
Biotene Oral Rinse Mouthwash for Dry Mouth Breath Freshener and Dry Mouth Treatment Fresh Mint - 33.8 fl oz
biotène$10.634.7★
ACT Dry Mouth Anticavity Zero Alcohol Fluoride Mouthwash Soothing Mint 33.8 fl. oz.
ACT$9.124.6★
What buyers say about dry mouth mouthwash
What buyers praise and complain about, mined from review topics.What buyers love
“Moisturizing and Gentle”
“some over the counter products are just as good”
“much cheaper”
“It is really done the job”
“Exactly as advertised”
“still works as a good mouthwash”
“Easy to use”
“No more pain when I brush my teeth”
“I just want a fresher taste”
“it makes your breath smell good”
What buyers complain about
“Dry mouth”
“No results”
“Too Much Money”
“was leaking”
“Inaccurate list of ingredients”
“didnt last”
“a half shorter than the ones we bought in December”
“burns if you have sores in your mouth”
“Gave up using this product, false advertisement”
“it causes hives”
Top return reasons
Common questions
- Is dry mouth mouthwash profitable to sell on Amazon United States?
- The niche generates $2.8M/yr across 11 tracked products. 90-day search growth is +0.3%. Flapen's verdict: Skip it (49/100).
- How competitive is the dry mouth mouthwash niche?
- 4 brands and 77 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in dry mouth mouthwash?
- Top complaints mined from reviews: Moist/Dry, Functionality-Overall, Value For Money. The return rate is 0.3%.
- When does demand for dry mouth mouthwash peak?
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- What does it cost to enter the dry mouth mouthwash niche?
- Listings span $4.74–$21.30; the average listing price is $11.43 (sweet spot $15–$100). The average incumbent carries 9,500 reviews — the moat a new listing must climb.