I recently was in LA and stopped by the Nordstrom at The Grove to check out their Korean Beauty Pop In. It launched February 10, 2017 and lasted through March 26th. According to the salespeople, products were moving pretty quickly and the pop up was doing pretty well overall. With a mix of known Korean brands like Too Cool for School and Chosungah 22 and lesser known brands, they had lots of items for everyone from a K-Beauty connoisseur to a newbie.
We'll have to see if this pop-in was successful enough to merit a permanent expansion of their Korean beauty brands.