How do you hygienically clean a toilet?

Wear rubber gloves, eye and face protection.

If you are asking how to clean the toilet so as to make it hygienic, With a disinfectant spray such as Lysol brand, wipe down the outside: Tank, Bowl, Seat, Ring, and Hinge. Next, use a cleaner containing bleach inside the bowl. Follow the instructions on the bowl cleaner and brush as required.