Head & Shoulders today said it would be insuring Pittsburgh Steelers safety Troy Polamalu’s hair for $1 million through Lloyd’s of London. “Until now, no other NFL player’s hair has been so ridiculously full and thick to warrant this first ever type of insurance policy,” the company said in a statement. Here’s how the deal works. If Polamalu loses 66% or more of his hair during the next seven months, H&S will collect the $1 million. A trichologis...