My way is to rinse any lather residue left around the outer-rim of the container. Shakeout any excess water and leave open for the rest of the day for the puck to dry. Close up and store when I get home from work or after dinner.
Creams go back into my cupboard straight after use.
After a single use, due to contamination issues, I place them in storage and go onto the next new soap in line.
Pfft, weirdos, who knows what you're contaminating your face with!