Reduce sensitivity during whitening with desensitizing gels or toothpaste including potassium nitrate or fluoride
https://judahfqaz767.lucialpiazzale.com/is-teeth-whitening-safe-professional-security-tips-and-standards
Decrease level of sensitivity throughout whitening with desensitizing gels or tooth paste consisting of potassium nitrate or fluoride, and follow day of rest between sessions if needed.