Once it's in the glass, swirl lightly for 20 seconds, and you should be g2g! BuzzFeed Shopping editor Elizabeth Lilly says, ...

Promising review: "I wasn't sure what to expect when purchasing these, but now they are a staple in every room of our house. Within three days the air smelled more crisp and was easier to breathe in ...

Frequent flyer Jeff Olson, from Los Angeles, told Newsweek that he had "never seen anything like this before." ...