For hands the alcohol gel 70% (if not 70% useless) and reasonable because you can not pass sanitary water or ammonia on the hands. It kills 73% of organisms according to NIH. It has a chemical formed by correspondence, in a video talking about vinegar . It does not kill staphylococci. According to another lunatic, Dr. Bacteria, if you leave it dipped in vinegar for an hour, it kills. They’ll probably drown. Use vinegar to season. Although it kills some fungus.
If you have any doubts, go to NIH (National Institute of Health in the USA) because in Brazil they will go crazy.