Minimize sensitivity throughout whitening with desensitizing gels or toothpaste containing potassium nitrate or fluoride
https://www.mediafire.com/file/fgjkrtz1oozhhho/pdf-1356-24197.pdf/file
Reduce sensitivity during whitening with desensitizing gels or toothpaste including potassium nitrate or fluoride, and follow rest days in between sessions if needed.