Dental hygiene aficionados have surely noticed a new format battling for a share of the oral hygiene market. Toothpaste tablets are dry, pressed-powder pills about the size of an aspirin or a pea.

Floss isn't for everyone, but Cocofloss is. It's crafted from recycled water bottles, comes in so many yummy flavors, and effectively glides between your teeth for a deep clean. Plus, it features ...