Kiehl's intensively hydrating face mask for dry skin helps replenish and strengthen your skin's moisture barrier to help increase barrier stability and prevent excess overnight moisture loss. Infused with 10.5% squalane, this transformative balm-to-oil overnight face mask melts into your skin and stabilizes the moisture barrier to help boost resilience against external aggressors. This hydrating face mask helps prevent dryness for up to three days. Wake up to nourished, flake-free, healthy-looking skin.