Minimize sensitivity during whitening with desensitizing gels or toothpaste including potassium nitrate or fluoride
https://www.mediafire.com/file/0mnktasezxz880i/pdf-30328-46593.pdf/file
Decrease sensitivity during whitening with desensitizing gels or toothpaste consisting of potassium nitrate or fluoride, and follow rest days in between sessions if needed.