MORE THAN 60,000 AMERICAN women will attend a unique new show at the Javits Center in New York City this September. Pathways to Beauty and Well-Being is a first time exhibition and seminar program that is billed as the largest opportunity ever for women to see and buy products and attend dozens of seminars executed by each of the show's main sponsors, including Allure, Fitness, Self and Teen People magazines, The Fragrance Foundation and the New York University School of Continuing and Professional Studies. The NYU seminars offer visitors an opportunity to sample classes from thei