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Some discover their own ways of managing the debilitating pain: sitting in a hot bath while wearing an ice pack and drinking a smoothie, blasting the side of their face with a hairdryer.

“I set up a makeshift charcoal forge in the backyard and used my mother’s hairdryer as a forge blower,” he said.

Years earlier, in the dry heat of a Portuguese late evening, it was a young Cristiano Ronaldo who was left in floods of tears by the famed Sir Alex Ferguson hairdryer.

Rather than losing his head and delivering the hairdryer, this time Ferguson was showing his bullish side.

In what it called "one of the worst examples", Which? found a hairdryer priced at £18.99 in a Boots Black Friday deal, claiming to be reduced from £49.99.