Reduce level of sensitivity during whitening with desensitizing gels or toothpaste containing potassium nitrate or fluoride

https://blogfreely.net/dernesvhbz/do-whitening-strips-in-fact-work-a-dental-professionals-viewpoint

Reduce sensitivity during whitening with desensitizing gels or toothpaste including potassium nitrate or fluoride, and follow day of rest between sessions if needed.