Youth to the People Superberry Hydrate+Glow Dream Mask Travel Size As described by the brand: "The ultimate hydrating radiance boost. This overnight mask deeply hydrates, plumps and brightens with powerful, antioxidant-rich superberries and THD ascorbate, the latest clinically-proven form of stable Vitamin C. This formula helps to target dullness and uneven skin tone for brighter, more radiant skin."