| Clue | Source | Date |
|---|---|---|
| Sunburn cause, for short | LA Times Daily | 04 Jan 2022 |
| Sunburn cause | New York Times | 03 Jul 2019 |
| Sunburn cause | ||
| It may make your face red | Newsday | 14 Feb 2015 |
| It may make your face red | ||
| Cause of some burns | ||
| Ozone hole concern | ||
| Cause of some burns |