Fluoride varnish or remineralizing pastes can be used after whitening to enhance enamel
https://blogfreely.net/dernesvhbz/how-to-whiten-your-teeth-before-a-major-occasion-or-wedding-event
Fluoride varnish or remineralizing pastes can be used after whitening to reinforce enamel and minimize sensitivity while keeping your brighter smile.