Decrease sensitivity throughout whitening with desensitizing gels or tooth paste containing potassium nitrate or fluoride

https://donovanqjjh773.theglensecret.com/how-expert-teeth-whitening-in-fact-works-the-science

Minimize sensitivity during whitening with desensitizing gels or tooth paste including potassium nitrate or fluoride, and follow day of rest in between sessions if required.