The exceptional powers of the mineral contained in Uriage Thermal water are combined with organic osmolytes in Uriage AquaPRÉCIS Express Mask, to create on-going hydration. They activate the cellular hydration mechanism, regulate it and prolong its effects durably.This super-comfortable blue lagoon-coloured cream gel mask feels incredibly fresh when you apply it and is intensely hydrating. In addition, the presence of an anti-pollution shield protects the skin against everyday harmful environmental factors.It leaves your complexion radiant and your skin glowing with health.