Reduce sensitivity throughout whitening with desensitizing gels or toothpaste containing potassium nitrate or fluoride

https://milowbea115.theburnward.com/the-ultimate-guide-to-specialist-teeth-whitening-what-to-anticipate

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