>>561178It is for cleaning wounds to prevent infection when /out/. It can also be used for disinfecting hands after defecating and before cooking. When people say not to use alcohol/hydrogen peroxide on cuts it is because it can damage tissue. The best way to clean a wound is with warm water and soap. When you are away from civilization it is a pain to heat water, disinfect water and later up soap to clean a wound. The damage from alcohol/hydrogen peroxide are pretty minimal and very easy to use while out. This makes them a good balance between convenience and effectiveness while /out/.
NHS is making recommendations for the average person who has easy access to pressurized potable water and soap, which makes alcohol/hydrogen peroxide a bad choice.