---
title: "Hydrogen Peroxide Mouthwash — Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/hydrogen-peroxide-mouthwash"
last_updated: "2026-08-12T08:14:13.660Z"
locale: en
meta:
description: "Amazon product research for hydrogen peroxide mouthwash: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for hydrogen peroxide mouthwash: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Hydrogen Peroxide Mouthwash — Amazon US Product Research"
---
# **Hydrogen Peroxide Mouthwash**
**Worth a look**
Shows low returns (0.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 68Growth 39Conversion 94Competition 51Returns 99Price range 55Avg price 58Brand share 37Review moat 21Quality gap 24
**Returns**
**Incredible****0.2%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****11.6%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Good****$679K**
$679K/yr · 450K searches
**Avg price**
**Good****$12.96**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$3.51–$29.09**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****54%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+11.6%**
90-day search growth — must beat 0% to launch
**Brand share**
**Okay****83%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****10,609.23**
avg incumbent reviews — the moat a new listing must climb
## **Is hydrogen peroxide mouthwash profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, hydrogen peroxide mouthwash is a $679K/yr Amazon United States market (450K searches/yr). The top 5 brands hold 83% of demand. Verdict: Worth a look — 56/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **hydrogen peroxide mouthwash market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **50K–60K**
- avg 2,000–2,500/product
- **Revenue / yr**
- **$648K–$778K**
- units × avg price
- **Conversion rate**
- **11.6%**
- **Avg BSR**
- **#100**
- **Page quality**
- **0%**
- **Prime**
- **97%**
- **Sponsored**
- **53%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **77 months**
- **Avg seller age**
- **138 days**
## **Competition: brands, sellers & click share**
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**13 **▲rising
**Sellers**
**101**
**Top-5 brand share**
**83%**
Top 20: 100%
**Top-5 click share**
**54%**
Top 20: 90%
**Open market**
**13%**
- Colgate55% - HERITAGE STORE11% - PHS Brands6% - Crest6% - Amazon Basics5% - Oral-B4% - Open — no brand owns it (7 brands, 13%)
## **hydrogen peroxide mouthwash demand & seasonality**
Weekly Amazon search volume, last 15 weeks — +11.6% search growth over the last 90 days.
10K6KApr '26Apr '26May '26May '26May '26Jun '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/us/health-household/hydrogen-peroxide-mouthwash/trend)
## **Top hydrogen peroxide mouthwash search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **hydrogen peroxide mouthwash**109K/yr+21.7%8.6% conv. - **colgate mouthwash**91K/yr+1.8%8.2% conv. - **peroxide mouthwash**84K/yr+17.3%10.9% conv. - **colgate optic white mouthwash**31K/yr+13.1%16.2% conv. - **colgate total mouthwash**26K/yr-9.6%10.5% conv. - **optic white mouthwash**13K/yr+13.3%16.8% conv. - **mouthwash colgate**11K/yr-0.9%9.1% conv. - **hydrogen peroxide oral rinse**8K/yr+34.1%7.5% conv. - **hydrogen peroxide mouth rinse**8K/yr+36.9%9.8% conv. - **colgate whitening mouthwash**9K/yr+12.4%13.1% conv. [**All search terms **](https://flapen.com/research/us/health-household/hydrogen-peroxide-mouthwash/search-terms)
## **Top hydrogen peroxide 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%$34K10%$68K15%$102K20%$136K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Colgate Optic White Advanced Teeth Whitening Mouthwash 3 Pack 2% Hydrogen Peroxide Alcohol-Free and Enamel Safe ICY Fresh Mint 32 Oz**Colgate**$16.54**4.6★6,957 rev](https://www.amazon.com/dp/B07C4ND9ZN) [2**Colgate Peroxyl Alcohol Free Mouthwash with 1.5% Hydrogen Peroxide Mouth Sore Rinse for Canker Sores Oral Irritations and Burns Mild Mint 16.9 fl oz Bottle**Colgate**$9.65**4.7★42,237 rev](https://www.amazon.com/dp/B00WOSEKP2) [3**Colgate Total Alcohol Free Mouthwash Peppermint for Bad Breath Helps Prevent Gingivitis and Plaque 3 Pack 33.8 Oz Each**Colgate**$16.56**4.7★11,569 rev](https://www.amazon.com/dp/B07C55H1QQ) [4**Heritage Store Hydrogen Peroxide Mouthwash - Daily Oral Care - Eucalyptus and Fresh Mint Mouth Wash - Gentle Bubbling Action for Clean Healthy Gums and a Fresh Mouth Sweetened with Xylitol 16oz**HERITAGE STORE**$10.84**4.6★786 rev](https://www.amazon.com/dp/B004JKS7BQ) [5**Colgate Peroxyl Alcohol Free Mouthwash with 1.5% Hydrogen Peroxide Mouth Sore Rinse for Canker Sores Oral Irritations and Burns Mild Mint 8.4 fl oz Bottle**Colgate**$7.00**4.7★42,237 rev](https://www.amazon.com/dp/B004KVCV6G)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Hismile iD Stain Whitening Mouthwash Gunk Removing Mouthwash for Fresh Breath Hydrogen Peroxide Mouthwash to Promote Whiter Teeth Peroxide Rinse with Essential Oils 237ml**HISMILE**$19.19**2,733 rev6mo ago](https://www.amazon.com/dp/B0GC1X785H) [**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) [**Sensodyne Pronamel Intensive Enamel Repair Alcohol-Free Mouthwash to Help Actively Repair Enamel and Protect Against Cavities Extra Fresh 16.9 fl oz (3 Pack)**SENSODYNE PRONAMEL**$17.88**3,739 rev2y ago](https://www.amazon.com/dp/B0CNK6VLXK) [**CloSYS Healthy Gums Mouthwash 32 Fl Oz Antiplaque Anti-Gingivitis Mouthwash Non-Burning Non-Irritating**CloSYS**$13.66**4,858 rev3y ago](https://www.amazon.com/dp/B0BRYLRN2Z) [**Colgate Peroxyl Antiseptic Mouth Sore Rinse Alcohol Free 1.5% Hydrogen Peroxide Mild Mint 8.45 Ounce (Pack of 6)**Colgate**$29.09**42,237 rev3y ago](https://www.amazon.com/dp/B0C4G6KTG5)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Hismile iD Stain Whitening Mouthwash Gunk Removing Mouthwash for Fresh Breath Hydrogen Peroxide Mouthwash to Promote Whiter Teeth Peroxide Rinse with Essential Oils 237ml**HISMILE**$19.19**4.3★**▲ 236%**](https://www.amazon.com/dp/B0GC1X785H) [**Colgate Total Advanced Pro-Shield Mouthwash Peppermint - 60mL**Colgate**$5.83**4.7★**▲ 160%**](https://www.amazon.com/dp/B08QTYBHN8) [**CloSYS Healthy Gums Mouthwash 32 Fl Oz Antiplaque Anti-Gingivitis Mouthwash Non-Burning Non-Irritating**CloSYS**$13.66**4.5★**▲ 123%**](https://www.amazon.com/dp/B0BRYLRN2Z) [**Colgate Peroxyl Alcohol Free Mouthwash with 1.5% Hydrogen Peroxide Mouth Sore Rinse for Canker Sores Oral Irritations and Burns Mild Mint 8.4 fl oz Bottle**Colgate**$7.00**4.7★**▲ 79%**](https://www.amazon.com/dp/B004KVCV6G) [**Prevention Daily Care Mouthwash Hydrogen Peroxide Rinse 16 oz 2-Pack**PHS Brands**$19.46**4.6★**▲ 66%**](https://www.amazon.com/dp/B083M8KW94)
**~~View all trending →~~**
## **What reviews say buyers love and hate about hydrogen peroxide mouthwash**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**15%
*“Overall, the product is good quality and arrived in good condition”*
**Value For Money**12%
*“Great Deal”*
**Advertised Vs Actual Product**9%
*“As advertised”*
**Oral Hygiene**9%
*“keeps mouth clean”*
**Efficiency**7%
*“Product does work”*
**Tooth Brightening**7%
*“Keeps my teeth white”*
**Cleansing**6%
*“Clean and fresh”*
**Breathability**6%
*“Keeps breath fresh”*
**Tooth Sensitivity**3%
*“Great for sensitive teeth”*
**Ease Of Cleaning**3%
*“Super clean”*
### **What buyers complain about **
**Value For Money**14%
*“Its expensive”*
**Taste-Overall**9%
*“Disgusting taste”*
**Advertised Vs Actual Product**7%
*“deceptive advertising”*
**Size-Overall**6%
*“So small”*
**Color**6%
*“Not white”*
**Leak-Proof**6%
*“it was leaking”*
**Stain Resistance**5%
*“Stains”*
**Dilute/Watery**3%
*“Water didnt help”*
**Functionality-Overall**3%
*“Didnt work”*
**Ingredients-Overall**3%
*“other ingredients that my body does not agree with”*
### **Top return reasons **
**Leak-Proof**26%
**Advertised Vs Actual Product**17%
**Size-Overall**13%
**Functionality-Overall**8%
**Value For Money**6%
**Taste-Overall**6%
**Ingredients-Overall**3%
**Stain Resistance**3%
**Product Condition**2%
**Defective Material/Parts**2%
## **Common hydrogen peroxide mouthwash questions**
- **Is hydrogen peroxide mouthwash profitable to sell on Amazon United States?**
- The niche generates $679K/yr across 30 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +11.6%. Flapen's verdict: Worth a look (56/100).
- **How competitive is the hydrogen peroxide mouthwash niche?**
- 13 brands and 101 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 83% of demand.
- **What do buyers complain about in hydrogen peroxide mouthwash?**
- Top complaints mined from reviews: Value For Money, Taste-Overall, Advertised Vs Actual Product. The return rate is 0.2%.
- **What does it cost to enter the hydrogen peroxide mouthwash niche?**
- Listings span $3.51–$29.09; the average listing price is $12.96 (sweet spot $15–$100). The average incumbent carries 10,609 reviews — the moat a new listing must climb.
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