Messi and Neymar tried to convince a third Barca player to dye his hair blonde

"Messi and I tried to convince Luis Suarez to dye his hair blonde, but he didn't want to do it," assured the Brazilian.
Furthermore he explained his motivation to dye his hair blonde: "It was a promise I made my friends. I said I'd dye my hair blond if I'd win the golden medal in the Olympic Games," explained Neymar.