Cars and smartphones may rank among South Korea's biggest exports to the US, but few goods inspire a more devoted following than the Asian country's beauty products. K-beauty - a term that covers a wide range of skincare,

The president also touted agreements over hundreds of billions of dollars in foreign investment into the United States.

Under the deal, South Korea will invest $350 billion in key U.S. industries and purchase $100 billion worth of its liquified natural gas.