Footballers and anti-dandruff adverts don't seem to mix too well. Manchester City and England goalkeeper Joe Hart immediately springs to mind with his hugely cringeworthy Head & Shoulders advert that he'll undoubtedly never hear the end of throughout his career.
Well, forget about Hart's Head & Shoulders shocker for a moment, there's a new one doing the rounds. Step forward, Cristiano Ronaldo. The money must've been good because this is absolutely terrible.