The rarest item and most valuable item you can get right now, toilet paper.
Also a rare item, hand sanitizer, which you can use to get rid of bacteria on your hands.
Soap can be used to wash your body and your hands.
Disinfectant spray, when can be used to disinfect items and surfaces, without having to be near them.
Disinfectant wipes, which can be used to disinfect items and surfaces.