Unfortunately John had set it so that anyone who came within twenty feet of the chronivac's screen would be affected by the "barbiefication" parameters he had set. He approached it from behind, but that didn't mean he was unaffected. Simply that he had gotten a small dose of the device's signal.
John sighed and walked out of the office, to meet the gaggle of giggling blondes that had rushed outside when the fire alarm went off. Without a mirror, he had no way of noticing that his hair looked just a bit lighter from the roots...