In the U.S., households usually have one refrigerator, and it usually contains food (unless you’re fancy and have a wine fridge). In Korea, a country where electronic goods abound, people have food fridges, kimchi fridges, and now, cosmetics fridges. I mean, do you really want your eye cream rubbing shoulders with the butter and Diet Coke? While you can't chill all beauty products, this trend can have its benefits.