External aggressors emotional tension and tiredness stresses the skin this can cause stiff dehydrated skin redness and skin sensitivity with an exclusive plant complex hydra zen soothes sensitive skin and reduces the tightness of stressed dehydrated skin lancome has created a unique neurocalm complex composed of rose de france man du pi and moringa extracts hydra zen is designed to reduce the effects of emotional and environmental stress on the skin soothe and reduce tightness of stif