Hydroxyapatite toothpaste promises to better protect your teeth. Here’s what the science says.
Published Nov 6, 2026 8:49 AM EST There’s a new kid on the block in the toothpaste aisle. Next to the usual fluoride formulas, another option has been appearing: hydroxyapatite toothpaste. Hydroxyapatite is a mineral made mostly of calcium and phosphorus that naturally…