SKOON. soothes while you sleep Posted by ConceptSkincare Team on February 25, 2022 The Ruby Marine Overnight Hydrating Mask from SKOON. works while you sleep! And it's the ideal supplement for the cold Winter months and the harsh effects of indoor heating. This Mask contains soothing, moisture boosting Hyaluronic acid in a velvet base of Vanilla, African Shea and Marula Oil – making it the ultimate moisture top up for all skin types.