If your morning flat white is showing, you might be eyeing at-home whitening...

https://highstylife.com/is-whitening-gel-safe-for-enamel-or-can-it-damage-teeth/

If your morning flat white is showing, you might be eyeing at-home whitening gels. Forget overnight miracles. I’ve spent weeks testing these to see what shifts stains without harming enamel or sensitivity. It is all about steady, consistent use