Lower level of sensitivity during whitening with desensitizing gels or tooth paste including potassium nitrate or fluoride

https://devinjdan182.cavandoragh.org/can-you-lighten-teeth-with-braces-a-guide-to-timing-2

Lower sensitivity throughout whitening with desensitizing gels or tooth paste containing potassium nitrate or fluoride, and follow rest days in between sessions if required.