Rachael Link is a registered dietitian and health writer based in San Francisco. She completed her undergraduate degree at the University of Central Missouri and holds a master’s degree from New York ...

LED teeth whitening kits are an affordable way to brighten teeth at home — and dentists say that some are comparable to ...

"Doesn’t cause much sensitivity, and leaves my teeth looking brighter after just a few days." ...

WSJ Buy Side is The Wall Street Journal’s research and commerce team. Our commerce content is distinct from our newsroom coverage. We earn a commission from some links in our articles. Learn more.

Caroline Igo (she/her/hers) was a wellness editor at CNET and holds Sleep Science Coach and Stress Management certificates from the Spencer Institute. She received her bachelor's degree in creative ...

A perfect smile, who doesn't like it? Social media is flooded with posts, providing tips for a perfect smile. There are trend of at-home whitening kits that promise instant results. These products may ...

If you’re looking to brighten your smile, getting an at-home teeth whitening kit is convenient, effective and safe—as long as you choose dentist-approved formulas. As the deputy editor who oversees ...

Teeth whitening often involves bleaching the teeth to remove stains and discoloration. The best teeth whitening products provide noticeable results without damaging the teeth or irritating the gums.