Dreaming of a whiter smile but frustrated by those persistent stains thanks to the effects of your daily coffee (or wine) fix? Less-than-white teeth can be a real confidence killer, but don't worry — ...

Imagine brushing your teeth with a paste made from your own hair, not as a quirky DIY stunt, but as a serious, science-backed solution to repair tooth damage. Researchers at King’s College London have ...

Metro journalists select and curate the products that feature on our site. If you make a purchase via links on this page we will earn commission – learn more A brighter smile is usually high on the ...