Lower level of sensitivity during whitening with desensitizing gels or tooth paste containing potassium nitrate or fluoride
https://www.mediafire.com/file/iefsou4kz0fzflh/pdf-40508-74528.pdf/file
Reduce sensitivity throughout whitening with desensitizing gels or toothpaste including potassium nitrate or fluoride, and follow rest days between sessions if needed.