Stabilise your skin barrier with Kiehl’s Ultra Facial Overnight Rehydrating Mask. An intensely hydrating overnight mask that helps lock in moisture to stabilise the skin barrier. Formulated with a high concentration of 10.5% Squalane and Glacial Glycoprotein, this mask transforms from a balm to oil texture and melts into your skin. Prevent excess overnight moisture loss and treat dryness, tightness and flakiness in the skin with this hydrating mask. Wake up to nourished, healthy-looking skin. Silicone-free, Fragrance-free, Dye-free and Mineral Oil-free.