Suddenly, there's a rush to the exit of what, until months ago, was considered the world's fastest-growing consumer product market. Today, L'Oréal announced it was pulling its Garnier brand in China, just days after Revlon Inc. outlined plans to exit the country. L’Oréal introduced Garnier to China in 2006. Now, the company will focus on marketing the L’Oréal Paris and Maybelline brands there. The announcement is the latest indication of a slowdown in Chinese demand. In May, Pro...