Minimize level of sensitivity during whitening with desensitizing gels or tooth paste consisting of potassium nitrate or fluoride
https://devinjdan182.cavandoragh.org/post-invisalign-whitening-finishing-your-smile-improvement-1
Reduce level of sensitivity throughout whitening with desensitizing gels or tooth paste containing potassium nitrate or fluoride, and follow day of rest between sessions if required.