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

Anna Gragert (she/her/hers) was previously the lifestyle editor at HelloGiggles, deputy editor at So Yummy and senior lifestyle editor at Hunker. Over the past 10+ years, Anna has also written for the ...

The shift from basic white or gel toothpastes to a variety of modern options has made the simple act of brushing teeth more complicated. The three popular types of toothpaste available today are white ...

Add Yahoo as a preferred source to see more of our stories on Google. A close up of someone smiling. At-home teeth whitening kits or toothpastes are great for getting a whiter smile at home without ...