From the FDA's 2 July press release[1], it sounds like ingestion was the culprit. While it is absorbed through the skin, the rate is low: I found a study[2] tha

From the FDA's 2 July press release[1], it sounds like ingestion was the culprit. While it is absorbed through the skin, the rate is low: I found a study[2] that suggests 8 mg/cm^2/h. I'd be more concerned about the vapors. [1]: https://www.fda.gov/news-events/press-announcements/coronavirus-covid-19-update-fda-takes-action-warn-protect-consumers-dangerous-alcohol-based-hand https://www.fda.gov/news-events/press-announcements/coronavi... [2]: https://doi.org/10.1007/s004200050228 https://doi.org/10.1007/s004200050228