Daily tea and coffee can dull your smile, but whitening shouldn't hurt. I’ve...

https://parlorbeauty.co.uk/at-home-uk-teeth-whitening-gels-do-they-actually-work/

Daily tea and coffee can dull your smile, but whitening shouldn't hurt. I’ve tested gentle gels that guard enamel and manage sensitivity. Read on to find a routine that delivers steady, genuine results for a brighter, healthier smile