As part of the Pantene relaunch, Procter & Gamble is embarking on a search for the world’s first reality hair star. Pantene will put its products to the test live in the “world’s first reality hair ad,” which will air May 25, on multiple channels including a major national network, as part of one of the hottest shows of the season, according to P&G. “Pantene is known for being at the forefront of hair care innovation and we’ll be breaking new grou...