"Hydroxyapatite is natural. It is a type of calcium that makes up bones and teeth," says Lai. "Nano-hydroxyapatite relates to ...

All products featured on Glamour are independently selected by Glamour editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. Scoring a ...

I’ve been covering lifestyle content for over seven years. How can you tell which are the best whitening products for sensitive teeth? One important measure is that they use a lower percentage of ...

We don’t always have the answers, but we have some people on speed dial who do — which is why we present our FYI series, where we have experts explain if lip balm is actually bad, how often you should ...