The American Dental Association recommends brushing your teeth for two minutes twice a day, but on average, people, most of whom don’t have flawless technique, only do so for about 45 seconds. That ...

Every year, Americans toss a billion tubes of Colgate toothpaste in the trash, and they eventually end up in a landfill. But this year, that could change. Colgate’s designers have spent more than five ...