Mouthwash
FailShoppers spend an estimated $6K a year here, so Mouthwash is a Fail.
- Flapen Score
- 43 / 100Top 22% of 198 Health, Household and Personal Care niches · +6 vs the category median of 3743
- Market size
- $6K/yr16K searches / yr
- 90-day growth
- +6.2%search demand this quarter
- Competition
- 39%top-5 click share · 7 brands · 14 sellers
Flapen Score
Mouthwash against its category
The dotted line is the Health, Household and Personal Care average. Past it, Mouthwash is stronger. Inside it, weaker.
Market
The Mouthwash market on Amazon at a glance
Shoppers on Amazon Singapore searched for Mouthwash 16K times last year and spent an estimated $6K. The top 5 brands take 95% of clicks. Flapen scores it 43 out of 100, a Fail.
01 · Demand
An estimated 3.2% of those searches ended in a purchase.
Shoppers searched for this 16K times in the last 12 months. That counts every search on Amazon Singapore for this niche's terms. An estimated 3.2% of those searches ended in a purchase. Searches in the last 90 days moved +6.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $6K a year.
- Searches, last 12 months
- 16K
- Growth, 90 days vs prior 90
- +6.2%
- Conversion, latest week
- 3.2%
- Market size, estimated
- $6Ka year
- Top search term
- mouthwash13K searches a year
02 · Price
A sale here is worth $12.09.
Listings sell for $12.09 on average, from $4.52 to $26.18. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 0 to 100 of them. At $12.09 that is $0 to $1K a year per listing.
- Average price
- $12.09under the $15 to $100 sweet spot
- Price range
- $4.52–$26.18
- Amazon Singapore median price
- $30.00across 1,590 niches
- Units sold a year
- 2K–3K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$1K
- Returns
- 0.0%of orders · Amazon Singapore median 0.0%
03 · Entry bar
The bar here is reviews.
9% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 21.6% of listings are out of stock. The average listing ranks #38 within Health, Household and Personal Care. It carries 4,801 reviews at 4.48 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 9%
- Prime listings
- 100%
- Out of stock, average day
- 21.6%
- Average rank
- #38in Health, Household and Personal Care
- Average rating
- 4.48 starsAmazon Singapore average 4.47 stars
- Average reviews
- 4,801per listing
- Listings tracked
- 23
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 86 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 86 months
Products
Top Mouthwash products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Listerine Mouthwash Total Care Zero 1000ml
- Price
- $9.65
- Rating
- 4.4/5
- Reviews
- 15
- Age
- 7y ago

Pearlie White Fluorinze Alcohol Free Mouth Rinse Twin Pack 750ml
- Price
- $9.52
- Rating
- 4.7/5
- Reviews
- 35
- Age
- 7y ago

TheraBreath Fresh Breath Dentist Formulated Oral Rinse Mild Mint 16 Ounce (Pack of 2)
- Price
- $25.37
- Rating
- 4.6/5
- Reviews
- 45,882
- Age
- 13y ago

Listerine Mouthwash Cool Mint Zero (0% Alcohol) 1000ml (1L)
- Price
- $8.72
- Rating
- 4.4/5
- Reviews
- 26
- Age
- 7y ago

NONIO (Quasi-drug) Mouthwash Light Herb Mint Non-Alcoholic Type Mouth Wash Liquid Kills Bacteria Bacteria Bacteria 33.8 fl oz (1 000 ml) x 2 Packs + Mini Rinse 2.8 fl oz (80 ml) x 2 Packs
- Price
- $19.58
- Rating
- 4.3/5
- Reviews
- 204
- Age
- 4y ago
Trending
estimated 90-day click momentum
NONIO (Quasi-drug) Mouthwash Light Herb Mint Non-Alcoholic Type Mouth Wash Liquid Kills Bacteria Bacteria Bacteria 33.8 fl oz (1 000 ml) x 2 Packs + Mini Rinse 2.8 fl oz (80 ml) x 2 Packs
- Price
- $19.58
- Rating
- 4.3/5
- Reviews
- 204
- Age
- 4y ago

Crest Pro-Health Advanced Mouthwash Alcohol Free Multi-Protection Fresh Mint 1 L (33.8 fl oz) Pack of 2
- Price
- $22.38
- Rating
- 4.7/5
- Reviews
- 12,107
- Age
- 3y ago

Listerine Mouthwash Cool Mint 1000ml
- Price
- $7.99
- Rating
- 4.9/5
- Reviews
- 38
- Age
- 7y ago

TheraBreath Fresh Breath Dentist Formulated 24-Hour Oral Rinse Icy Mint 16 Ounce (Pack of 2)
- Price
- $26.18
- Rating
- 4.8/5
- Reviews
- 51,297
- Age
- 11y ago

NONIO Mouthwash - Clear Herb Mint 600 milliliters
- Price
- $5.88
- Rating
- 4.1/5
- Reviews
- 574
- Age
- 8y ago
Newest
by launch date
TheraBreath Fresh Breath Oral Rinse Invigorating Icy Mint 473ml
- Price
- $15.25
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 1y ago

Crest Pro-Health Advanced Mouthwash Alcohol Free Multi-Protection Fresh Mint 1 L (33.8 fl oz) Pack of 2
- Price
- $22.38
- Rating
- 4.7/5
- Reviews
- 12,107
- Age
- 3y ago

NONIO (Quasi-drug) Mouthwash Light Herb Mint Non-Alcoholic Type Mouth Wash Liquid Kills Bacteria Bacteria Bacteria 33.8 fl oz (1 000 ml) x 2 Packs + Mini Rinse 2.8 fl oz (80 ml) x 2 Packs
- Price
- $19.58
- Rating
- 4.3/5
- Reviews
- 204
- Age
- 4y ago

Listerine Cool Mint Zero Antiseptic Mouthwash 1L (Pack of 3)
- Price
- $17.37
- Rating
- 4.4/5
- Reviews
- 26
- Age
- 4y ago

Listerine Total Care Antiseptic Mouthwash 1L (Pack of 3)
- Price
- $20.38
- Rating
- 4.8/5
- Reviews
- 10
- Age
- 4y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 39% of clicks, no more. An open shelf where new products get seen.
Brands
7 falling
Sellers
14
Est. top-5 brand share
95%
Top 20: 100%
Est. top-5 click share
39%
Top 20: 94%
Open market
2%
- Listerine47%
- TheraBreath16%
- Pearlie White13%
- ノニオ11%
- Colgate8%
- Crest3%
- Open — no brand owns it (1 brand, 2%)
Demand
Mouthwash search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Feb · busiest ÷ quietest = 3.2× · 7 of 12 months tracked
Reviews and returns
What reviews say buyers love and hate about Mouthwash
We read the reviews and the return reasons for every product selling here.
“Great mouthwash”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
2 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Mouthwash questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









