Not everyone has the same skin type, so let's start with this topic.
'1 day 1 mask' is called '1일1팩' in Korea. This phrase started from the celebrity whose the name is Hwang jung-eum who said that she does sheet mask everyday for her amazingly dewy and glow skin. This trend spread out over the nations very quickly.
This '1 day 1 mask' is still a hottest trend in skin care topic in Korea.