Other Information: Listerine Cool Mint: Store at room temperature. Cold weather may cloud this product. Its antiseptic properties are not affected. Listerine UltraClean: Store at controlled room temperature 68-77 degrees (20-25 degrees C). Cold weather may cloud this product. Its antiseptic properties are not affected. Misc: Includes Listerine UltraClean 250 ml. Listerine Cool Mint: 1.0 liter (1 qt 1.8 fl oz). Kills germs that cause bad breath, plaque & the gum disease gingivitis. ADA accepted - American Dental Association. Deeper clean than brushing alone. Brushing misses 75% of your mouth. Listerine cleans virtually 100%. Clinically proven. Kills germs by millions on contact. Use Cool Mint Listerine Antiseptic twice daily to help: prevent & reduce plaque; prevent & reduce gingivitis; freshen breath; kill germs between teeth. The ADA Council on Scientific Affairs Acceptance of Listerine Antiseptic is based on its finding that the product is effective in helping to prevent or reduce gingivitis and plaque above the gumline, when used as directed. Council on Scientific Affairs American Dental Association. This formula is not sold to any retailer as a store brand. Listerine UltraClean: Long lasting dentist clean feeling. The only leading mouthwash with: anti-tartar ingredient proven to prevent tartar build-up; Everfresh technology feel it working for hours. Plus all of the germ and plaque killing benefits of original antiseptic. Clinically proven. Kills germs by millions on contact. Listerine UltraClean with Everfresh technology has the benefits of Original Listerine Antiseptic with an added tartar control ingredient. Plus, it provides a dentist clean, fresh feeling that lasts for hours. This formula is not sold to any retailer as a store brand.