Today, beauty products from South Korea, or K-beauty as they’re known, are just about as common in Brits’ skincare line-ups as products from Europe or the US, but it wasn’t always this way. Co-founder of K-beauty retailer juggernaut Pureseoul, Gracie Tullio, speaks to Retail Week about record-breaking queues, being rejected by ignorant landlords, and how she plans to stay ahead of the curve.