These pastes get their name from their vibrant purple tint. “Purple toothpaste works by using purple dye to neutralize any yellowish stains or coloration on the teeth,” explains Rhonda Kalasho, DDS of ...

In an age of dating apps and social media, many of us are feeling more self-conscious than ever about the color of our teeth. Roughly 37 million people in the U.S. used tooth whiteners as of 2020, ...