| Clue | Source | Date |
|---|---|---|
| Unscented | The Atlantic | 12 Apr 2026 |
| Like some detergents | Thomas Joseph | 23 Feb 2022 |
| Unscented | Premier Sunday | 06 Sep 2020 |
| Unscented | Newsday | 21 May 2017 |
| Lacking scents | LA Times Daily | 29 Jun 2016 |
| Lacking scents | ||
| Incapable of being detected, in a way | ||
| Unscented |