For decades, consumers have been taught that oral health depends on brushing harder, whitening faster, and using stron ...

Fluoride, a naturally occuring mineral found in many foods and water, has been a primary ingredient in toothpaste since the 1970s. Despite being widely regarded as safe by the Food and Drug ...

14 best whitening toothpastes tested by a beauty writer for brighter teeth - I’ve tried and tested the best whitening ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...