Minimize level of sensitivity during whitening with desensitizing gels or toothpaste containing potassium nitrate or fluoride
https://www.mediafire.com/file/zpn50jpfsi4qpay/pdf-84084-96019.pdf/file
Decrease level of sensitivity throughout whitening with desensitizing gels or toothpaste containing potassium nitrate or fluoride, and follow rest days between sessions if needed.