| Clue | Source | Date |
|---|---|---|
| Mouthwash brand since 1903 | Wall Street Journal | 21 Apr 2018 |
| Mouthwash brand since 1903 | ||
| Brand that's swirled, not swallowed | LA Times Daily | 29 Apr 2016 |
| Mouthwash with the patented ingredient Zantrate | ||
| Classic mouthwash | ||
| Classic mouthwash | ||
| 102-year-old mouthwash | ||
| 102-year-old mouthwash | ||
| Drugstore purchase |