Decrease sensitivity during whitening with desensitizing gels or toothpaste containing potassium nitrate or fluoride

https://blogfreely.net/dernesvhbz/the-white-diet-plan-what-to-consume-after-your-treatment

Minimize level of sensitivity during whitening with desensitizing gels or tooth paste consisting of potassium nitrate or fluoride, and follow day of rest between sessions if required.