Decrease sensitivity during whitening with desensitizing gels or toothpaste containing potassium nitrate or fluoride

https://telegra.ph/Factors-to-Select-Professional-Whitening-Over-Store-Bought-Kits-04-19

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