Some things, like bad poetry, are best left behind in seventh grade. Yet for some reason, lots of us (myself included) still swear by a dab of toothpaste as a pimple treatment. Which begs the question ...

A dab of toothpaste has long been a favorite home remedy for clearing up pimples. But could it also cause them? Despite suspicions from some zit-stricken folks seeking answers on online advice forums, ...

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

Hydroxyapatite (HAP) toothpaste is a dental product that contains manufactured calcium phosphate. Calcium and phosphate are minerals that form 95% of tooth enamel and 70% of bones. NASA developed HAP ...