"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Like most beauty staples, professionals say results can take up to a month to become noticeable, even ...

“Hydrogen peroxide and carbamide peroxide are typically the two main whitening ingredients found in toothpaste,” cosmetic dentist Rich Lipari tells Bazaar. “Many whitening toothpastes in particular ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? You know what nightmares are made of—someone telling you you have to choose ...

Every item on this page was chosen by an ELLE editor. We may earn commission on some of the items you choose to buy. Like it or not, your smile can make a big first impression (heck, there’s research ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." You know what nightmares are made of—someone telling you you have to choose between your morning coffee ...

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 ...

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 ...

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 ...