Prices are shown for reference only and may vary by retailer. Always check the latest price before buying.
| Product | Award | Rating | Best For | Price |
|---|---|---|---|---|
| Listerine Cool Mint Zero | Best Overall | 4.5/5 | Strong antibacterial action without dry mouth | Check latest |
| TheraBreath Fresh Breath Oral Rinse | Best for Persistent Bad Breath | 4.6/5 | People with persistent bad breath issues | Check latest |
| Crest Pro-Health Multi-Protection | Best Budget Pick | 4.4/5 | All-around care on a reasonable budget | Check latest |
1. Listerine Cool Mint Zero
An alcohol-free version of the classic Listerine formula, still delivering antibacterial action while cutting the burning sensation and dry mouth common with alcohol-based rinses.
Pros
- Effective antibacterial action, noticeably clean feeling
- Alcohol-free, less dry mouth with daily use
- Cool, mild mint flavor, not too harsh
Cons
- Still has a slight tingle for sensitive users
- Needs a good shake before use for best results
This is the best balance of antibacterial effectiveness and everyday comfort — a good pairing with the tongue-scraping habit from week one of the 21-Day Challenge.
2. TheraBreath Fresh Breath Oral Rinse
A formula containing activated oxygen, specifically designed to neutralize the sulfur compounds that cause odor rather than just masking them with fragrance.
Pros
- Addresses the actual cause of odor, not just masking it
- Alcohol-free, gentle on the mouth's lining
- Recommended by many dentists for persistent bad breath
Cons
- Pricier than mainstream mouthwashes
- Milder scent, some people prefer a stronger feel
If you've tried several regular mouthwashes and your breath still smells, TheraBreath is worth trying because of its different mechanism — neutralizing the cause instead of just creating a temporary pleasant smell.
3. Crest Pro-Health Multi-Protection
A multi-purpose formula that supports fresh breath, enamel protection, and reduced plaque, at a more affordable price than specialty options.
Pros
- Affordable, widely available at most stores
- Multiple benefits in one product
- Pleasant flavor, not overly strong
Cons
- Less effective for persistent bad breath than TheraBreath
- Contains alcohol, can cause dry mouth with frequent use
This is a reasonable everyday pick if you don't have a serious bad-breath issue — affordable and versatile enough for overall oral care.
Frequently Asked Questions
Is alcohol-based or alcohol-free mouthwash better?
Alcohol-free formulas are usually better for everyday use since they cause less dry mouth — and dry mouth is itself a cause of bad breath. Alcohol-based formulas are still effective, just better used in moderation.
Should I rinse before or after brushing?
Rinse about 30 minutes after brushing, not right away — rinsing immediately after brushing can wash away the fluoride that just settled on your enamel.
Can mouthwash replace brushing and flossing?
No. Mouthwash is only a supplement — it doesn't remove plaque mechanically the way brushing and flossing do. You need all three combined for the best results.
Final Verdict
Listerine Cool Mint Zero is a solid, well-balanced pick for most people during the 21-Day Challenge. If you're dealing with persistent bad breath, TheraBreath is worth the extra investment, and Crest Pro-Health is a good fit if budget is your priority.
Buying Guide
Mouthwash isn’t a replacement for brushing and flossing — it’s a supplement that helps maintain fresh breath between your main care sessions. When choosing one, prioritize an alcohol-free formula if you tend toward dry mouth — alcohol can make that worse, creating a loop that works against your fresh-breath goal.
If your odor issue is more persistent than usual, a specialized formula like TheraBreath that targets sulfur compounds directly will be more effective than just masking it with a strong mint flavor.
Finally, remember that mouthwash works best when paired with regular tongue scraping and flossing — used alone, it only addresses part of what causes bad breath.