Most people using teeth-whitening strips

Most people using teeth-whitening strips
Who
The Procter and Gamble Company (R&D, MBC)
What
268 people
Where
United States (Mason,Procter & Gamble's Mason Business Center)
When
The most people using teeth-whitening strips simultaneously at one location is 268 and was achieved by The Procter & Gamble Company (R&D, MBC) (USA) in Mason, Ohio, USA, on 17 January 2013.