[azinman2]

Just make sure it’s 70% - that’s the optimal number. Also 70% alcohol without buffer like aloe Vera will be quite harsh on the hands...

[plank_time]

70% is for bacteria. That helps the isopropyl alcohol get absorbed into the cell.

Coronavirus is a virus and isn’t alive. The alcohol disrupts the outer lipid layer which deactivates the virus. So 70% doesn’t apply here.