Fluoride varnish or remineralizing pastes can be applied after whitening to enhance enamel

https://kylerbqsz130.bearsfanteamshop.com/whitening-for-delicate-teeth-how-we-minimize-discomfort-1

Fluoride varnish or remineralizing pastes can be used after whitening to enhance enamel and lessen level of sensitivity while preserving your brighter smile.