So, what exactly is driving this billions-of-dollars boom? Skincare. It’s not even a contest. Basic skincare products raked in over $8.5 billion, making up a massive 75 percent of all exports. Masks and face packs saw the craziest domestic production growth, shooting up by 28 percent. People are also buying a lot more color cosmetics, specifically lipsticks and lip balms. Behind the scenes, legacy giants like LG H&H and Amorepacific are still leading production. But there are wild success stories too, like the brand APR, which rocketed from 21st place all the way to 4th in just one year. Top…