Estée Lauder signed Dr. Matthew Walker, PhD, as the brand’s first global sleep science advisor. Dr. Walker will leverage his expertise to deepen Estée Lauder’s nighttime skincare research and innovation, while tapping into the global sleep movement to educate consumers on the vital connection between sleep and health. The news comes as March is National Sleep Awareness Month. “For more than 40 years, Estée Lauder has been pioneering research into night skin science, most recently focus...