As part of an overall relaunch of the brand you know and love, Nexxus has opened a salon in the TriBeCa neighborhood in New York City. And while the space itself is stunning, featuring chevron-like floor tiles in marble and wood and shampoo chairs that recline into flat beds, its the lighting that really steals the show. In order to create lighting is that eliminates shadows, providing pure, uninterrupted light at each custom-made styling station, the German-based company Erco Lighting…