For the best part of a decade, Cordina Hair grew up in public. It began as an idea that founder Yanika Cordina prototyped in a garden shed, which is about as far from a glossy beauty launch as it could possibly get, and it went on to sell globally on the strength of social media alone. Its content gathered more than 110 million organic views without a penny spent on adverts, and even won an award for the growth it drove. So when the company decided to quit social media, it wa