If you're traveling to Korea and want to take home some of the best skincare products, mask packs should definitely be on your list! Here's a guide to the top mask packs recommended by Koreans in their 20s-30s. These mask packs are highly popular for their effectiveness and are perfect souvenirs to bring back home. 1. Mediheal Madecassoside MaskAnother popular and highly recommended sheet mask b..