---
title: "Kids Mouthwash — $159K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/health-household/kids-mouthwash"
last_updated: "2026-08-12T16:28:45.090Z"
locale: en
meta:
description: "Amazon product research for kids mouthwash: $159K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for kids mouthwash: $159K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Kids Mouthwash — $159K/mo Amazon US Product Research (2026)"
---
# **Kids Mouthwash**
**Worth a look**
Shows low returns (0.1%), but brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list.
Market size 93Growth 20Conversion 98Competition 52Returns 99Price range 41Avg price 27Brand share 6Review moat 23Quality gap 17
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****17.2%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Great****$1.9M**
$1.9M/yr · 1.2M searches
**Competition**
**Good****54%**
top-5 click share — leaders hold, buyers still browse
**Price range**
**Okay****$3.98–$22.66**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Okay****$9.29**
avg listing price — sweet spot $15–$100
**Review moat**
**Bad****7,230.95**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-10.9%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****98%**
top-5 brand share — brand-locked demand
## **Is kids mouthwash profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, kids mouthwash is a $1.9M/yr Amazon United States market (1.2M searches/yr). The top 5 brands hold 98% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **kids mouthwash market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **200K–250K**
- avg 6,000–8,000/product
- **Revenue / yr**
- **$1.9M–$2.3M**
- units × avg price
- **Conversion rate**
- **17.2%**
- **Avg BSR**
- **#73**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **53%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **58 months**
- **Avg seller age**
- **148 days**
## **Competition: brands, sellers & click share**
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**6 **▼falling
**Sellers**
**57**
**Top-5 brand share**
**98%**
Top 20: 100%
**Top-5 click share**
**54%**
Top 20: 100%
**Open market**
**0%**
- ACT54% - TheraBreath19% - Listerine16% - FIREFLY5% - Amazon Basics4% - Tom's of Maine2%
## **kids mouthwash demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -10.9% search growth over the last 90 days.
25K15KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/health-household/kids-mouthwash/trend)
## **Top kids mouthwash search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **kids mouthwash**540K/yr-7.8%17.0% conv. - **act kids mouthwash**91K/yr+14.3%27.6% conv. - **mouthwash kids**68K/yr-3.6%14.7% conv. - **kids mouth wash**60K/yr-1.9%14.6% conv. - **therabreath mouthwash kids**51K/yr-33.1%14.5% conv. - **mouthwash for kids**48K/yr-7.7%11.5% conv. - **kid mouthwash**43K/yr-11.7%17.7% conv. - **act mouthwash kids**41K/yr-3.3%25.2% conv. - **therabreath kids**30K/yr-34.9%11.3% conv. - **toddler mouthwash**26K/yr-7.4%5.8% conv. [**All search terms **](https://flapen.com/research/us/health-household/kids-mouthwash/search-terms)
## **Top kids mouthwash products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%5%$96K10%$191K15%$287K20%$382K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**ACT Kids Anti-Cavity Fluoride Rinse Bubble Gum Blowout 16.9 oz**ACT**$4.24**4.8★15,931 rev](https://www.amazon.com/dp/B000YJU21O) [2**ACT Kids Anticavity Fluoride Rinse Wild Watermelon 16.9 fl. oz. Accurate Dosing Cup Alcohol Free**ACT**$4.29**4.7★21,830 rev](https://www.amazon.com/dp/B078MSXZ2L) [3**Listerine Total Care Kids Mouthwash ADA Accepted Alcohol-Free Anticavity Fluoride Mouthwash Childrens Mouthwash for Cavity Protection and Fresh Breath Berry Flavor 500 mL**Listerine**$4.70**4.7★2,424 rev](https://www.amazon.com/dp/B084K4QFCD) [4**TheraBreath Kids Anticavity Fluoride Oral Rinse Strengthens Teeth & Enamel Alcohol Free & Dye Free Certified Organic Bubblegum Blast Flavor 16 Fl Oz 2-Pack**TheraBreath**$15.96**4.8★133 rev](https://www.amazon.com/dp/B0FZZNS7GT) [5**TheraBreath Kids Mouthwash with Fluoride Organic Wacky Watermelon Anticavity 16 fl oz (2 Pack)**TheraBreath**$15.26**4.9★148 rev](https://www.amazon.com/dp/B0FYSPZ9YN)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**ACT Kids Anti-Cavity Fluoride Rinse Bubble Gum Blowout 16.9 oz**ACT**$4.24**15,931 rev7mo ago](https://www.amazon.com/dp/B000YJU21O) [**ACT Kids Anticavity Fluoride Rinse Groovy Grape 16.9 fl. oz. Accurate Dosing Cup Alcohol Free**ACT**$4.76**21,830 rev7mo ago](https://www.amazon.com/dp/B0815GZKH3) [**TheraBreath Kids Anticavity Fluoride Oral Rinse Strengthens Teeth & Enamel Alcohol Free & Dye Free Certified Organic Bubblegum Blast Flavor 16 Fl Oz 2-Pack**TheraBreath**$15.96**133 rev8mo ago](https://www.amazon.com/dp/B0FZZNS7GT) [**TheraBreath Kids Mouthwash with Fluoride Organic Wacky Watermelon Anticavity 16 fl oz (2 Pack)**TheraBreath**$15.26**148 rev8mo ago](https://www.amazon.com/dp/B0FYSPZ9YN) [**TheraBreath Kids Mouthwash Organic Strawberry Splash 16 fl oz 2-Pack**TheraBreath**$22.66**85 rev8mo ago](https://www.amazon.com/dp/B0FYSP6LML)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**TheraBreath Kids Mouthwash with Fluoride Organic Wacky Watermelon Anticavity 16 fl oz (2 Pack)**TheraBreath**$15.26**4.9★**▲ 203%**](https://www.amazon.com/dp/B0FYSPZ9YN) [**TheraBreath Kids Anticavity Fluoride Oral Rinse Strengthens Teeth & Enamel Alcohol Free & Dye Free Certified Organic Bubblegum Blast Flavor 16 Fl Oz 2-Pack**TheraBreath**$15.96**4.8★**▲ 189%**](https://www.amazon.com/dp/B0FZZNS7GT) [**TheraBreath Kids Mouthwash Organic Strawberry Splash 16 fl oz 2-Pack**TheraBreath**$22.66**4.8★**▲ 54%**](https://www.amazon.com/dp/B0FYSP6LML) [**ACT Kids Anticavity Fluoride Mouthwash Sugar & Alcohol Free Mouth Rinse Strengthens Teeth Simply Strawberry 16.9 fl. oz.(Pack of 3)**ACT**$13.12**4.7★**▲ 53%**](https://www.amazon.com/dp/B0FF6G26QW) [**Listerine Total Care Kids Mouthwash ADA Accepted Alcohol-Free Anticavity Fluoride Mouthwash Childrens Mouthwash for Cavity Protection and Fresh Breath Bubblegum Flavor 500 mL Pack of 3**Listerine**$13.31**4.6★**▲ 34%**](https://www.amazon.com/dp/B08Q8PFZVF)
**~~View all trending →~~**
## **What reviews say buyers love and hate about kids mouthwash**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**11%
*“Great buy for the money”*
**Taste-Overall**10%
*“It tastes like a treat”*
**Ease Of Use**10%
*“easy to pour”*
**Quality-Overall**8%
*“A Great Buy on a Quality Item for Kidsand/or Adults”*
**Flavor**8%
*“My son loves the strawberry so I was happy to find this flavor instead of bubblegum”*
**Oral Hygiene**6%
*“Helps with kids teeth”*
**Ease Of Cleaning**6%
*“His mouth feels clean”*
**Breathability**4%
*“this helped my kids breath smell fresh”*
**Cleansing**3%
*“still cleans pretty well”*
**Smell**3%
*“Light smell”*
### **What buyers complain about **
**Taste-Overall**12%
*“tastes weird”*
**Value For Money**12%
*“Value for money is poor”*
**Flavor**9%
*“Didn't like the Flavor”*
**Ease Of Use**4%
*“hard to open”*
**Breathability**4%
*“Not sure if its working for her stinky breath”*
**Ingredients-Overall**4%
*“Contains sodium benzoate can change into a carcinogen”*
**Oral Hygiene**3%
*“I have struggled with dental hygiene all my life because of sensory issues and hating mint and cinnamon flavor”*
**Alcohol Content**3%
*“It doesnt have that harsh alcohol feel”*
**Allergies**2%
*“I was using it for years because Im allergic to mint”*
**Contamination**2%
*“I just wish they had less chemicals that are pollutants”*
### **Top return reasons **
**Leak-Proof**22%
**Flavor**17%
**Advertised Vs Actual Product**14%
**Taste-Overall**13%
**Value For Money**4%
**Smell**4%
**Ingredients-Overall**4%
**Size-Overall**3%
**Color**3%
**Motor Power**2%
## **Common kids mouthwash questions**
- **Is kids mouthwash profitable to sell on Amazon United States?**
- The niche generates $1.9M/yr across 19 tracked products. 6 of 6 products launched in the last 360 days are still selling. 90-day search growth is -10.9%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the kids mouthwash niche?**
- 6 brands and 57 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 98% of demand.
- **What do buyers complain about in kids mouthwash?**
- Top complaints mined from reviews: Taste-Overall, Value For Money, Flavor. The return rate is 0.1%.
- **When does demand for kids mouthwash peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the kids mouthwash niche?**
- Listings span $3.98–$22.66; the average listing price is $9.29 (sweet spot $15–$100). The average incumbent carries 7,231 reviews — the moat a new listing must climb.
## **Related niches to research next**
Same-category niches scoring near this one — the next ones worth researching.
- 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)