Senator Ludlam told BuzzFeed News that he's committed to the "World's Greatest Shave" challenge for the WA Leukaemia Foundation this March.

"People from all walks of life are affected by blood cancer, but people from all walks of life - even politicians - can help. That's why I've signed up for the 2016 World's Greatest Shave," he said.

But with Ludlam's hair, there's a twist...