Reduce level of sensitivity during whitening with desensitizing gels or tooth paste consisting of potassium nitrate or fluoride
https://kylerbqsz130.bearsfanteamshop.com/the-ultimate-guide-to-professional-teeth-whitening-what-to-anticipate
Minimize sensitivity throughout whitening with desensitizing gels or toothpaste including potassium nitrate or fluoride, and follow rest days in between sessions if required.