Some foods can help: crispy apples and celery mildly polish surface areas; while not an alternative to whitening

https://claytonocxy531.lowescouponn.com/post-invisalign-whitening-completing-your-smile-change-2

Some foods can assist: crispy apples and celery mildly polish surface areas; while not a replacement for whitening, they support a cleaner, brighter-looking smile.