"Hydroxyapatite is natural. It is a type of calcium that makes up bones and teeth," says Lai. "Nano-hydroxyapatite relates to the particle size. These are between 20 and 80 nanometers and are much ...

While the debate around fluoride continues, many are considering switching their fluoride toothpastes to alternatives that include the popular ingredient nano-hydroxyapatite. "As ingredient labels ...

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CNN — Colgate has announced a review of its toothpaste brand Darlie, which once featured a smiling White man in blackface, as companies around the world reconsider their use of racist stereotypes ...