The genius tip for cleaning the washing machine drawer: it will be free of mold like new

Leave the door open after the wash cycle
Golden rule: always remember to leave the washing machine door open after washing your clothes, to properly ventilate the drum. If you keep it closed, air won’t get in and bacteria will grow from excess moisture inside.

Wipe the door seal after each wash
Speaking of humidity, also make sure to dry the rubber seal on the door. Use a clean cloth to do this after each wash. If you fail to do this, water in the joint can quickly cause bad odors.