Reduce level of sensitivity during whitening with desensitizing gels or toothpaste containing potassium nitrate or fluoride

https://devinjdan182.cavandoragh.org/reasons-to-choose-professional-whitening-over-store-bought-kits

Minimize level of sensitivity during whitening with desensitizing gels or toothpaste including potassium nitrate or fluoride, and follow day of rest between sessions if needed.