Por Um Fio is a Brazilian reality television show, which premiered September 24, 2010 with the season finale airing December 10, 2010 on the GNT television cable channel. It is the Brazilian version of Bravo's reality competition for hair stylists, Shear Genius. The show is presented by actress Juliana Paes, who also serves as head judge. Ricardo dos Anjos and Wanda Alves are also part of the judging panel. Hair stylist Tiago Parente is the contestant's mentor. There were twelve contestants competing for the grand prize, which was R$50,000 and a beauty editorial in the Brazilian edition of Marie Claire. Gabriela Gusso was declared the winner, placing Andrew Jackson in second and André Ramos in third.