10 Best Oxygenating Mouthwash of 2025

Tested and Reviewed: Top 10 Oxygenating Mouthwash deals with expert ratings from 8.1 to a perfect 10

April 2026 Edition

Editor's Choice

9.7

SmartMouth

SmartMouth Original Zinc Activated Mouthwash - Instant Fresh Breath Mouthwash - Eliminates Bad Odors and Bad Breath - Alcohol-Free, Sugar-Free, Gluten-Free - Fresh Mint - 16 fl oz (2 Pack)

Editor's bottom line:

“This oxygenating mouthwash is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Anti-Bad Breath Mouthwash: SmartMouth Original Zinc Activated Mouthwash is a dual-solution formula that delivers instant fresh breath and aids morning breath for 24 hours with a twice-daily rinse
Zinc-Activated Oral Rinse: Patented dual-solution Smart-Zinc technology activates zinc ions as you pour, eliminating sulfur gas that causes bad breath and preventing new odor from forming
All-Day Bad Breath Prevention: SmartMouth dual-solution mouthwash is scientifically proven to eliminate and prevent bad breath for 24 hours of instant fresh breath with twice-daily rinse
Dentist Developed Formula: This gentle, non-burning mouthwash is alcohol-free, sugar-free, gluten-free, paraben-free, and designed for daily use
SmartMouth Satisfaction Guarantee: SmartMouth offers a 60-day satisfaction guarantee, providing peace of mind with your oral care purchase

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Picked by 397 people today

9.5

CloSYS

CloSYS Ultra Sensitive Mouthwash, 32 Oz, Pack of 2, Alcohol Free Mouthwash, Unflavored Mouth Wash, Dye Free, pH Balanced, Helps Soothe Entire Mouth

Main Highlights

CLEANS & SOOTHES: CloSYS Ultra Sensitive Mouthwash enhances oral health without causing irritation or burning, making it an ideal mouthwash for adults. Pair it with toothpaste for a complete, gentle daily routine
IDEAL FOR SENSITIVE MOUTHS: CloSYS mouth rinse products are dye, sulfate, triclosan, alcohol, and gluten free. This sensitive mouthwash alcohol free formula contains no harsh chemicals that could irritate or damage the mouth
NON-BURNING & ALCOHOL-FREE: The non alcohol mouthwash formula hydrates, soothes, and relieves the mouth without burning or irritating, making it gentle enough for the most sensitive mouths
UNFLAVORED AND GENTLE pH BALANCE: The pH balanced formula of this CloSYS mouthwash ultra sensitive is unflavored and as gentle as water, making it ideal for those wellness seekers who prefer a mild oral rinse mouthwash

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9.5

GuruNanda

GuruNanda Teeth Whitening Dual Barrel Oxyburst Mouthwash - Alcohol & Fluoride Free, Hydrogen Peroxide to Promote Whiter Teeth - Wild Mint - 20 Fl Oz

Main Highlights

WHITENING & ORAL CARE INNOVATION: GuruNanda Whitening Mouthwash uses a fluoride-free, dual-chamber formula. One chamber has hydrogen peroxide, while the other holds 7 essential oils, baking soda, and xylitol, creating a pH-balanced solution for a brighter smile.
HOLISTIC ESSENTIAL OIL INFUSION: Our dual-chamber mouthwash contains 7 essential oils to help freshen breath and promote happy gums. Baking soda creates a pH-balanced solution. Vitamins D3 & E for a well-rounded mouth care experience.
GENTLE & EASY TO USE: Pour 15ml from each chamber, rinse for 1 minute, and enjoy pH-balanced, Oxy-burst bubbles that gently lift surface stains for a brighter smile. Each 20 fl oz bottle offers a refreshing, clean-mouth feel.
TRUSTWORTHY & PREMIUM QUALITY: Our fluoride-free mouthwash is made with high-quality ingredients, free from harmful chemicals, artificial colors, and flavors. Safe and effective for maintaining a holistic oral hygiene routine
100% SATISFACTION GUARANTEE: GuruNanda, a U.S. based brand, offers high-quality, affordable products made with ethically sourced ingredients. Each purchase embodies good karma, prioritizing safety and unique customer experiences.

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9.2

TheraBreath

TheraBreath Fresh Breath Mouthwash, Icy Mint Flavor, Alcohol-Free, 16 Fl Oz (Pack of 2)

Main Highlights

Two pack 16 fl oz of TheraBreath Fresh Breath Oral Rinse in a Invigorating Icy Mint flavor is a breath freshener mouthwash thats dentist formulated and alcohol free
TheraBreath Fresh Breath is a pH-balanced, non-burning mouthwash that starts working instantly to kill odor-causing bacteria and fight bad breath for 12 hours
Every swish of its Invigorating Icy Mint flavor fights bad breath and is certified vegan, gluten free, halal, and kosher; and it comes in recyclable plastic packaging
This alcohol-free mouthwash freshens your breath without the burn; its made with xylitol, and contains no dyes, no colors, no SLS/sulfates, and no parabens; and is not tested on animals
TheraBreath Fresh Breath is made with xylitol to help reduce plaque buildup; this oral rinse is dentist formulated and accepted by the American Dental Association (ADA)
For best results, adults should rinse and gargle with 2 teaspoons (10 mL) twice daily for 90 seconds after brushing; children 12-17 should rinse and gargle with 2 teaspoons (10 mL) once daily after brushing
Created by Dr. Harold Katz in 1993 for his own family; add TheraBreath mouthwashes to your daily oral care routine and swish with confidence

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9.0

TheraBreath

TheraBreath Fresh Breath Mouthwash, Mild Mint Flavor, Alcohol-Free, 16 Fl Oz (2-Pack)

Main Highlights

FIGHTS BAD BREATH: TheraBreath Fresh Breath Mouthwash fights bad breath for 24 hours when used every 12 hours after brushing and flossing
DENTIST FORMULATED: Dr. Katz created the TheraBreath formulas in 1993 to help his own daughter with her bad breath
ADA ACCEPTED: Our alcohol-free, non-burning formula is powered by oxygen, and is ADA accepted to help reduce bad breath
RESTORE CONFIDENCE: TheraBreath believes you should define success any way you please. We exist to motivate you to go get it.
For best results, swish TheraBreath Rinse for 1 minute after brushing your teeth with toothpaste then spit out; do not eat or drink for 30 minutes afterwards
This oral rinse is dentist formulated and accepted by the American Dental Association (ADA)
Created by Dr. Harold Katz in 1993 for his own family; add TheraBreath mouthwashes to your daily oral care routine and swish with confidence

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8.8

Essential Oxygen

Essential Oxygen Certified BR Organic Brushing Rinse, All Natural Mouthwash for Whiter Teeth, Fresher Breath, and Happier Gums, Alcohol-Free Oral Care, Peppermint, 16 Ounce, Package may vary

Main Highlights

Contains 1-16 oz bottle of Organic Brushing Rinse Mouthwash (Packaging May Vary)
It Works! Premier Oral Care for whitening, breath freshening and removing bad breath germs with the power of hydrogen peroxide, aloe and organic essential oils. Learn more at YouTube: Essential Oxygen Brushing Rinse
It's Clean! Free of alcohol, fluoride, glycerin, sugars or sodium lauryl sulfate or anything objectionable!
It's Planet Positive! Our oxygen-based formula makes grass greener and oceans cleaner.
Woman owned, NON GMO, vegan, gluten-free, BPA-free packaging, no animal testing and community giving

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8.6

TheraBreath

TheraBreath Fresh Breath Oral Rinse, Invigorating ICY Mint Flavor, Dentist Formulated and ADA-Accepted Mouthwash for Bad Breath pH-Balanced, Alcohol Free & Non-Burning, 1 Liter

Main Highlights

One Liter of TheraBreath Fresh Breath Oral Rinse in a Invigorating Icy Mint flavor is a breath freshener mouthwash thats dentist formulated and alcohol free
TheraBreath Fresh Breath is a pH-balanced, non-burning mouthwash that starts working instantly to kill odor-causing bacteria and fight bad breath for 12 hours
Every swish of its Invigorating Icy Mint flavor fights bad breath and is certified vegan, gluten free, halal, and kosher; and it comes in recyclable plastic packaging
This alcohol-free mouthwash freshens your breath without the burn; its made with xylitol, and contains no dyes, no colors, no SLS/sulfates, and no parabens; and is not tested on animals
TheraBreath Fresh Breath is made with xylitol to help reduce plaque buildup; this oral rinse is dentist formulated and accepted by the American Dental Association (ADA)
For best results, swish TheraBreath Rinse for 1 minute after brushing your teeth with toothpaste then spit out; do not eat or drink for 30 minutes afterwards
Created by Dr. Harold Katz in 1993 for his own family; add TheraBreath mouthwashes to your daily oral care routine and swish with confidence

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8.3

Oral-B

Oral-B Mouth Sore Mouthwash Special Care Oral Rinse, Hydrogen Peroxide Mouthwash, 16 fl oz, Mouthwash Alcohol Free

Main Highlights

1. UNIQUE ORAL CARE: Oral-B special care rinse is crafted to meet your unique oral care needs, including hydrogen peroxide mouthwash.
2. DENTIST FORMULATED: Specially formulated for Mouth Sores, including: Canker Sores, Cheek Bites, Braces & Denture Irritations, Oral & Gum Irritations
3. CLEANSING ACTION: Cleanses oral wounds.
4. TRUSTED INGREDIENTS: No added alcohol, artificial dyes, parabens, gluten, sodium lauryl Sulfate (SLS). This mouthwash is also alcohol free mouthwash.
5. TRUSTED BRAND: The brand trusted by dentists AND consumers worldwide now brings you the Oral-B special care rinse collection.

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8.1

Essential Oxygen

Essential Oxygen Certified BR Organic Brushing Rinse, All Natural Mouthwash for Whiter Teeth, Fresher Breath, and Happier Gums, Alcohol-Free Oral Care, Peppermint, 32 Ounce

Main Highlights

Contains 1-32 oz bottle of Organic Mouthwash (Packaging May Vary)
It Works! Premier Oral Care for whitening, breath freshening and removing bad breath germs with the power of hydrogen peroxide, aloe and organic essential oils. Learn more at YouTube: Essential Oxygen Brushing Rinse
It's Clean! All natural and free of alcohol, fluoride, glycerin, sugars or sodium lauryl sulfate or anything objectionable!
It's Planet Positive! Our oxygen-based formula makes grass greener and oceans cleaner.
Woman owned, NON GMO, vegan, gluten-free, BPA-free packaging, no animal testing and community giving

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8.1

Oxyfresh

Oxyfresh Pro Formula Fresh Mint Mouthwash – Patented Zinc Mouthrinse for Fresh Breath, Healthy Gums & Bad Breath Treatment for Adults - Dye, Fluoride & Alcohol Free (16 Fl Oz)

Main Highlights

FRESH BREATH - Say goodbye to bad breath with our fast-acting adult mouthwash. Unlike other mouthwash for adults that mask odors, our zinc mouthwash formula neutralizes bad breath, giving you all-day fresh breath oral rinse benefits.
SUPERIOR PROTECTION - Our gentle bad breath mouthwash for adults provides excellent gum health support. This alcohol free mouthwash is naturally sweetened with xylitol, which fights plaque formation that causes tooth decay.
IDEAL FOR COSMETIC WORK - If you've invested in whitening, veneers, etc., our clear deep clean mouthwash is essential. Our innovative, good breath oral care product helps protect your teeth and gums while maintaining your beautiful smile.
ESSENTIAL OIL FORMULA - Our pH balanced, dye free, alcohol free mouthwash formula is infused with natural essential oils. Works better than a fresh breath spray, leaving smiles completely fresh and clean without aftertaste.
PROVEN RESULTS - Pair it with our premium toothpaste. Our fresh breath oral care kit staple is trusted by dental professionals. Our zinc mouthwash combines science and nature, made in the USA for reliable oral breath mouthwash with performance you can count on.

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Our Best Overall Choice

Best Choice

9.7

SmartMouth

SmartMouth Original Zinc Activated Mouthwash - Instant Fresh Breath Mouthwash - Eliminates Bad Odors and Bad Breath - Alcohol-Free, Sugar-Free, Gluten-Free - Fresh Mint - 16 fl oz (2 Pack)

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Anti-Bad Breath Mouthwash: SmartMouth Original Zinc Activated Mouthwash is a dual-solution formula that delivers instant fresh breath and aids morning breath for 24 hours with a twice-daily rinse
Zinc-Activated Oral Rinse: Patented dual-solution Smart-Zinc technology activates zinc ions as you pour, eliminating sulfur gas that causes bad breath and preventing new odor from forming
All-Day Bad Breath Prevention: SmartMouth dual-solution mouthwash is scientifically proven to eliminate and prevent bad breath for 24 hours of instant fresh breath with twice-daily rinse
Dentist Developed Formula: This gentle, non-burning mouthwash is alcohol-free, sugar-free, gluten-free, paraben-free, and designed for daily use
SmartMouth Satisfaction Guarantee: SmartMouth offers a 60-day satisfaction guarantee, providing peace of mind with your oral care purchase

Show Price

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