MONTCLAIR, N.J. — The latest addition to hello products' toothpaste line uses black paste to whiten teeth. The company has introduced its hello activated charcoal whitening toothpaste.
The black paste is formulated with charcoal and bamboo to remove surface stains naturally, polish and remove plaque, the company said, noting that the toothpaste also contains coconut oil to soothe teeth and mint leaves for fresh breath.