# Which mouthwash comes in the largest size for the best value? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which mouthwash comes in the largest size for the best value?

## Products

### Listerine Antiseptic Freshburst Mouthwash 1.5 L
```yaml
product: listerine-antiseptic-freshburst-mouthwash-1-5-l
brand: Listerine
price_gbp: 7.69
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
volume: 50.7
antiseptic: true
alcohol_content: 21.6
active_ingredient: Eucalyptol 0.092%, menthol 0.042%, methyl salicylate 0.060%, thymol 0.064%
```

- **Price:** £7.69 [^1]
- **Summary:** Listerine Antiseptic Freshburst is a 1.5 L alcohol-based mouthwash with four essential-oil active ingredients that help kill germs, reduce plaque and gingivitis, and freshen breath. It suits adults and children aged 12 and over who want a large-size daily mouthwash for twice-daily use.
- **Ideal For:** This product suits shoppers seeking the largest size for the best value because its 1.5 L bottle provides 50.7 fl oz of antiseptic mouthwash with 21.6% alcohol and is sold in a value-size format.
- **Additional Sources:** [^2], [^3]

### Listerine Antiseptic Cool Mint Mouthwash 1.5 L
```yaml
product: listerine-antiseptic-cool-mint-mouthwash-1-5-l
brand: Listerine
price_gbp: 47.56
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
volume: 50.7
antiseptic: true
alcohol_content: 21.6
active_ingredient: Eucalyptol 0.092%, Menthol 0.042%, Methyl Salicylate 0.060%, Thymol 0.064%
freshness_duration: 1440
```

- **Price:** £47.56 [^4]
- **Summary:** Listerine Antiseptic Cool Mint Mouthwash is a 1.5 L alcohol-based antiseptic rinse with essential oils that helps prevent and reduce plaque, gingivitis, and bad breath. It suits adults and children aged 12 and older who want a large-format mouthwash for daily oral care and extended fresh breath.
- **Ideal For:** This product suits shoppers asking which mouthwash comes in the largest size for the best value because its 1.5 L volume equals 50.7 fl. oz and provides antiseptic protection with up to 24-hour freshness.
- **Additional Sources:** [^5]

### Listerine Antiseptic Original Mouthwash 1.5 L
```yaml
product: listerine-antiseptic-original-mouthwash-1-5-l
brand: Listerine
price_gbp: 5.17
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
volume: 50.7
antiseptic: true
alcohol_content: 26.9
fluoride_content: 0
active_ingredient: Eucalyptol 0.092%, Methyl salicylate 0.060%, Thymol 0.064%, Menthol 0.042%
```

- **Price:** £5.17 [^6]
- **Summary:** Listerine Antiseptic Original is a 1.5 L alcohol-containing mouthwash with four essential oils that kill germs linked to bad breath, plaque, and gingivitis. It is fluoride-free and suits adults seeking a large-volume antiseptic rinse for regular oral-care use.
- **Ideal For:** This suits shoppers seeking the largest size for the best value because the 1.5 L bottle provides 50.7 fl. oz of fluoride-free antiseptic mouthwash with 26.9% alcohol and four essential oils.
- **Additional Sources:** [^7]

### Listerine UltraClean Antiseptic Cool Mint Mouthwash 1.5 L
```yaml
product: listerine-ultraclean-antiseptic-cool-mint-mouthwash-1-5-l
brand: Listerine
price_gbp: 7.24
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
volume: 33.81
antiseptic: true
alcohol_content: 21.6
active_ingredient: Eucalyptol 0.092%
```

- **Price:** £7.24 [^8]
- **Summary:** This 1.5 L antiseptic Cool Mint mouthwash helps prevent and reduce plaque and gingivitis, kills 99.9% of bad-breath germs, and provides up to 3 times longer-lasting clean feeling than brushing alone. It suits adults and children aged 12 and over who want a large-size mouthwash for daily gum care, tartar control, and fresh breath.
- **Ideal For:** It suits shoppers seeking the largest size for the best value because the 1.5 L bottle provides 33.81 fl. oz of antiseptic mouthwash with up to 3 times longer-lasting clean feeling.
- **Additional Sources:** [^9]

### Crest Pro-Health Advanced Multi-Protection Mouthwash 2 ct, 2 L total
```yaml
product: crest-pro-health-advanced-multi-protection-mouthwash-2-ct-2-l-total
brand: Crest
price_gbp: 5.16
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
volume: 67.6
antiseptic: Cetylpyridinium chloride
alcohol_content: 0
fluoride_content: 225
active_ingredient: Sodium fluoride 0.05%
```

- **Price:** £5.16 [^10]
- **Summary:** Crest Pro-Health Advanced Multi-Protection Mouthwash is an alcohol-free, fresh-mint rinse with fluoride for cavity protection and enamel strengthening. The 2-liter twin pack suits households and regular users who want a large supply with multi-benefit oral care.
- **Ideal For:** This product specifically suits shoppers seeking the largest size for the best value because it provides 67.6 fl oz total across two 1-liter bottles, with alcohol-free multi-protection and fluoride cavity care.

---
## References & Sources
[^1]: Well.ca, accessed 2026-09-05. https://well.ca/products/listerine-bain-de-bouche-antiseptique-explosion-de-fracheur_101242.html
[^2]: Publix, accessed 2026-09-05. https://delivery.publix.com/landing?postal_code=35124&product_id=38531&region_id=650102506&retailer_id=57
[^3]: Chemist Warehouse, accessed 2026-09-05. https://www.chemistwarehouse.com.au/buy/109392/listerine-freshburst-antibacterial-mouthwash-value-pack-1-5l
[^4]: Benco Dental, accessed 2026-09-05. https://shop.benco.com/Product/2110-467/listerine-cool-mint-15l-case-of-6
[^5]: Medical Products Supply, accessed 2026-09-05. https://medicalproductssupply.com/mouthwash-listerine-1-5-liter-cool-mint-flavor.html
[^6]: Frontier Dental, accessed 2026-09-05. https://www.frontierdental.com/us/en/category/dental/preventives
[^7]: Pick n Save, accessed 2026-09-05. https://www.picknsave.com/p/listerine-original-antiseptic-mouthwash/0031254738641
[^8]: Food 4 Less, accessed 2026-09-05. https://www.food4less.com/p/listerine-ultraclean-intense-antiseptic-mouthwash-whitening-protection-/0031254742267
[^9]: Rehmie, accessed 2026-09-05. https://rehmie.com.ng/c/mouthwash
[^10]: ShopVision22, accessed 2026-09-05. https://www.shopvision22.com/product/crest-pro-health-advanced-multi-protection-mouthwash-mouth-rinse-fresh-mint-1l-strengthens-teeth-alcohol-free/