Minimize sensitivity throughout whitening with desensitizing gels or toothpaste including potassium nitrate or fluoride
https://milowbea115.theburnward.com/how-to-whiten-your-teeth-before-a-significant-occasion-or-wedding-event
Lower level of sensitivity during whitening with desensitizing gels or toothpaste including potassium nitrate or fluoride, and follow rest days in between sessions if required.