Diptyque Opens Boutique Flagship on NYC’s Madison Avenue As published in Hyperbeast Diptyque is preparing to cut the ribbon on its new-and-improved New York City flagship, bringing its aromatic candles and beloved fragrances back to the heart of Madison Avenue. Channeling the mystique of the label’s first boutique at 34 Boulevard Saint-Germain in Paris, the soon-to-be-open […]