Beijing-based SoYoung, China’s largest online medical aesthetic marketplace, has launched its up to US$179m IPO on Nasdaq. The group intends to sell 13m American depositary shares, or 12.9% of the enlarged sharecapital, within a range of US$11.80-US$13.80 per share. Founded in 2013, the unicorn, which is often called China’s Facebook for plastic surgery, is a community-driven…