A fresh-faced receptionist at the Clerkenwell studio greeted us with a buck's fizz. The champagne helped our shakes, but the laser-like studio lighting made our eyes smart. "This is my idea of hell," growled my friend Jen, 25, a commercial manager. The hair stylist, Kenneth Soh, helped me to a mirror. "I'm going to give you a glamorous, sunkissed, sexy look," he promised.