When Sylvie Legastelois was incubating Chanel’s most exclusive lipstick to date, she turned to a master glassmaker in Japan. The first lipstick case made of glass, 31 Le Rouge manages to be both sustainable and beautiful. ‘On the one hand you have a piece of art in your handbag, and on the other you have its sustainability, this new facet of the luxury market,’ says Legastelois, who is in charge of designing Chanel’s all-important packaging. She spent four years creating a precious object robust