Minimize sensitivity throughout whitening with desensitizing gels or toothpaste consisting of potassium nitrate or fluoride
https://telegra.ph/Can-You-Whiten-Teeth-with-Braces-A-Guide-to-Timing-04-14
Decrease sensitivity throughout whitening with desensitizing gels or toothpaste consisting of potassium nitrate or fluoride, and follow rest days in between sessions if required.