After removing your trays from your mouth, place them under lukewarm water.
2. Next, brush both the inside and outside of the trays with a small amount of toothpaste on a soft-bristled toothbrush.
3. Make sure to rinse off any toothpaste that’s leftover on your Invisalign trays under lukewarm water.
4. Inspect the retainer for any tartar buildup.
5. If there is some buildup, soak the trays in any denture or retainer cleaning solution for a few hours.
6. Take them out and let them dry before putting them back in your mouth.