Retainers can become a bit grungy over time since they are exposed to any food particles or germs in your mouth. While a quick rinse might be enough to keep your retainer feeling and looking fresh most of the time, sometimes you need something a bit stronger than water. You can use Arm & Hammer baking soda to clean and deodorize your retainer safely in as little time as it takes you to brush your teeth.
Combine 2 tsp. of Arm & Hammer baking soda and 2 tsp. of water to form a paste.
Dip your damp toothbrush into the baking soda paste.
Scrub your dirty retainer with the toothbrush and baking soda paste.
Rinse your retainer under running water to remove all of the baking soda.