If your skin is kind of like the annoying roommate in every rom-com — needy, highly reactive, and could use a dose of calm — that's where the Laneige Hypoallergenic Cica Sleeping Mask ($34) comes in. The formula is meant to be used at bedtime, so the fermented yeast can nix any redness overnight, but we've found that it soothes nicely in the morning and keeps it hydrated all day long.