You   should understand what is antiseptic solution and its uses. For instance, the Dettol's antiseptic   solution is a good way to protect yourself from germs as well as can be used   for floor cleaning and in the laundry. It is a complete package.

There is no need for any special diet during periods but in general you should have a healthy diet. Since you loose blood you could have some iron rich food like spinach and other things.