Wikipedia mentions (with poor citations) 75%-90% as being best, balancing effectiveness and non-flammability. > (95% alcohol was seen to be most effective in e

Wikipedia mentions (with poor citations) 75%-90% as being best, balancing effectiveness and non-flammability. > (95% alcohol was seen to be most effective in eliminating most viruses). > 90% alcohol rubs are more effective against viruses than most other forms of hand washing > The World Health Organization has published a guide: > 80% ethanol or 75% isopropanol > 95% alcohol was seen to be most effective in eliminating most viruses > 90% alcohol rubs are highly flammable, https://en.wikipedia.org/wiki/Hand_sanitizer https://en.wikipedia.org/wiki/Hand_sanitizer