This section is about what over the counter treatments are available (not all treatments may be available in that country) and how they help.
It increases moisture to the top layer of skin making it softer and easier to remove and allows other antifungal and antibacterial agent’s drugs to penetrate more into the skin and improves their effectiveness (hence it is normally found with other ingredients).
Salicylic acid itself has no or little antifungal activity.
Salicylic acid should not be used by anyone who is sensitive to salicylates.
Multivitamins are not intended to prevent long term conditions, reduce infection and is not proven (or data is weak) to help with cancer.
These are essential nutrients that the body requires in small amounts to function properly.