Various methods. Hair around your vagina could be removed by any means used to get rid of hair in other areas. Things like shaving, depilatories, electrolysis, and laser hair removal are some of the methods available.
If they are on the. Labia majora or labia minora - would just leave them alone.
Antibacterial soap. You can try antibacterial soap but there is no magical treatment. If these are areas you shave, try applying an antiseptic before shaving.