All 14 listings, cheapest per fl oz first
| Item | Size | Price | Per fl oz | |
|---|---|---|---|---|
| Listerine Cool Mint Antiseptic Mouthwash, Intense Mint, 50.7 fl. oz/1.5 L | 50.7 fl oz | $7.98 | $0.16 | Amazon → |
| Listerine Cool Mint Antiseptic Mouthwash, Intense Mint, 33.8 fl. oz/1L x 2 | 67.62 fl oz | $12.98 | $0.19 | Amazon → |
| Listerine Cool Mint Alcohol Free Mouthwash, Mild Mint, 33.8 fl. oz/1 L | 33.8 fl oz | $6.98 | $0.21 | Amazon → |
| Listerine Total Care Anticavity Mouthwash, Intense Mint, 33.8 fl. oz/1L x 2 | 67.6 fl oz | $14.36 | $0.21 | Amazon → |
| Listerine Total Care Alcohol Free Mouthwash, Mild Mint, 33.8 fl. oz/1L x 2 | 67.6 fl oz | $14.91 | $0.22 | Amazon → |
| Crest Mouthwash Pro-Health Bold Fresh Breath, 99% Germ Kill, Antigingivitis & Antiplaque, Clean Mint | 67.6 fl oz | $15.11 | $0.22 | Amazon → |
| Crest Pro-Health Advanced Mouthwash, Alcohol Free, Extra Whitening, Energizing Mint Flavor, 946 mL ( | 31.9 fl oz | $7.53 | $0.24 | Amazon → |
| Act Anticavity Fluoride Mouthwash Mint 18 fl oz (Pack of 2) | 36 fl oz | $11.98 | $0.33 | Amazon → |
| Crest 3DWhite Brilliance Alcohol Free Whitening Mouthwash, Value Twin Pack, 2 x 1L (33.8 fl oz) Bott | 67.6 fl oz | $25.15 | $0.37 | Amazon → |
| TheraBreath Fresh Breath Oral Rinse, Invigorating ICY Mint Flavor, Dentist Formulated and ADA-Accept | 33.8 fl oz | $13.97 | $0.41 | Amazon → |
| TheraBreath Fresh Breath Mouthwash, Mild Mint Flavor, Alcohol-Free, 16 Fl Oz (2-Pack) | 32 fl oz | $13.25 | $0.41 | Amazon → |
| TheraBreath Fresh Breath Mouthwash, Icy Mint Flavor, Alcohol-Free, 16 Fl Oz (Pack of 2) | 32 fl oz | $14.97 | $0.47 | Amazon → |
| TheraBreath Anticavity Fluoride Mouthwash, Sparkle Mint, 16 fl oz, 2-Pack | 32 fl oz | $16.24 | $0.51 | Amazon → |
| TheraBreath Deep Clean Mouthwash, Fresh Mint Flavor, 16 fl oz, 2-Pack | 32 fl oz | $17.64 | $0.55 | Amazon → |
Prices as of 2026-10-24 20:14:27 UTC: Amazon item price (Amazon's own, else its lowest new offer) before shipping and tax, via Keepa. Size comes from Amazon's unit count or the listing title; check the listing before buying. Product prices and availability are accurate as of the date/time indicated and are subject to change. As an Amazon Associate, Sharpest earns from qualifying purchases.
More personal care & health
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- Bar soap $0.66/bar
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- Condoms $0.24/condom
- Contact lens solution $0.75/fl oz
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- Cotton swabs $0.00/swab
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- Dental floss $1.35/yd