In 1905, Gray returned to London to be with her ill mother. For the next two years, she studied lacquering with Dean Charles before returning to Paris. When she returned to Paris, Gray began training with Seizo Sugawara. Sugawara was from Jahoji, a village in northern Japan famous for its lacquer work, and he was in Paris to restore the lacquer pieces Japan had sent to the Exposition Universale. Gray was so dedicated to learning the trade that she suffered the so-called lacquer disease, a painful rash on her hands, but that did not stop her from working.