The most people cutting hair is 1,155 and was achieved by United Dansk Japan at Yokohama Arena, Yokohama, Kanagawa, Japan on 9 November 2010.

25 stewards assisted in the verification, each being responsible for approximately 50 contestants.
For further information http://www.united-danks.com/
This was the 9th year of the UNITED DANKS hair cut contest in Japan. Every year more than 1,000 hair stylists enter the contest and as many models are required at the venue, so the event requires a huge stadium as location. The contest is organized by 10 different hair salons based in Kanagawa area, with the judges all being celebrity iconic stylist.