Can I eat after whitening my teeth? June 07, 2023 13:32 Updated For best results, it is not recommended to eat or drink staining agents like tea, coffee, and wine. Related articles Am I allowed to eat or drink after application? I get a buildup of saliva while using - what should I do? How do I charge the device? How much of my smartphone or tablet's battery does each session use up? Can I use this treatment with clear teeth aligners or braces? Comments 0 comments Article is closed for comments.